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Author Topic:   Walmart House Brand Everstart MAXX Battery
minitauk85 posted 01-26-2007 12:41 PM ET (US)   Profile for minitauk85   Send Email to minitauk85  
I just bought a Walmart house brand Everstart Maxx deep cycle battery for my MinnKota 30-lb-thrust trolling motor. It is the marine battery which says it can be used for trolling, starting, and also with RV's. [Based on first hand experience with this brand], how long should I expect the Walmart Everstart Maxx battery to last? I love the return policy, but don't like having to trade them in every six months. I've been using the cheaper Everstart deep-cycle batteries, and they only seem to last about six months. I'm pretty hard on trolling motor batteries. I use them independently from my starting battery, usually drain them pretty low, and recharge them at home after I fish. I don't want to [synchronize?] my deep cycle with my starting battery as I don't want to drain it, too.-k
JBCornwell posted 01-26-2007 01:14 PM ET (US)     Profile for JBCornwell  Send Email to JBCornwell     
I have used the Everstart Marine Maxx batteries exclusively for about six years as the sole battery in my Montauks and Striper. They start, run my electronics (vhf, gps, lights and sonar) and my trollers (28-lb PD and 55-lb PDAP Minn Kotas).

I usually put a charger on them overnight before and after a day of fishing, but have never run out of power and never had one fail.

Red sky at night. . .

jimh posted 01-26-2007 07:29 PM ET (US)     Profile for jimh  Send Email to jimh     
The life of a battery depends mainly on the use to which it is applied. The life will be affected by the number of discharge cycles and the depth of those cycles.

There is a trend these days to accept relatively short lived batteries which have relatively low cost. If these Walmart house brand Everstart MAXX batteries are valve regulated lead acid batteries, they tend to have a useful life of a few years. In contrast, a flooded cell lead acid battery which can be refilled with electrolyte and is of high quality can have a longer life, perhaps ten years or more. Such batteries are generally higher in cost initially.

HAPPYJIM posted 01-26-2007 07:55 PM ET (US)     Profile for HAPPYJIM  Send Email to HAPPYJIM     
I use a load tester to check my batteries. After charging the battery, connect the tester and it gives a reading to tell how the battery responds under a heavy load. It will let you know how the battery is even when they read the proper voltage. I got this one on sale for half price.

jimh posted 01-26-2007 10:47 PM ET (US)     Profile for jimh  Send Email to jimh     
The trouble with those ancient and old-fashioned load testers is you have to spend a day recharging the battery after you load test it. But we are not on the topic of load testers, but rather on battery life. There is no load tester ever made that made a battery last longer. To get a battery that lasts longer you just have to do two simple things:

--buy a quality battery
--take good care of it.

Having a small fleet of cars and boats I have bought about 7 batteries in the past year. Just about every battery I replaced lasted at least as long as its warranty period. If you are in the battery business you will not be in business very long if you give out a warranty that lasts longer than your battery.

If Walmart house brand batteries only last six months, and you are getting a new one under warranty at no charge, that is called a perpetual battery, isn't it?

Something is not right in this situation. Either the battery is very poor quality and it only lasts six months and at the same time Walmart is stupid and gives you a much longer warranty and perpetual free replacements, or the way the batteries are being used is not giving them proper care.

In most things like a battery--not a particularly stylish sort of thing where people will pay extra for a name brand or a style--you get what you pay for, more or less.

I agree: replacing a battery every six months is too much work. Something is wrong. Either the battery quality is awful or the battery system design is awful.

HAPPYJIM posted 01-27-2007 01:36 AM ET (US)     Profile for HAPPYJIM  Send Email to HAPPYJIM     
I use Walmart batteries in everything that requires a starting battery including my boats. I have three diesel trucks with dual batteries in each. My tractors/skid loaders carry Walmart batteries. I have been using them ever since I started maintaining the Walmart landscape and parking lot sweeping, 16 years ago. I used Sears batteries exclusively before that. The Walmart batteries had a better return policy than Sears and with 7 trucks on the road everyday(at that time) it made more financial sense to go with Walmart batteries.

I think minitauk85's high use with the trolling motor will shorten a batteries life. If you use a cheap, unregulated battery charger to charge after a day fishing, that will shorten battery life. If you don't charge a battery to a full charge each time, that will shorten battery life. If the battery is used everyday, I'm not surprised they only last 6 months. To make a trolling battery last long, only discharge it to a max of 50% before charging. If that is the problem, get two batteries to run the trolling motor and alternate them.

This is how I typically handle battery problems. Once a battery fails to start a motor, I remove it and bring it back to my shop to charge it back to full charge. I charge at a low rate(2-5 amps) and usually it takes 2-3 days of charging. I use a good quality, wheel mounted, regulated charger. After full charge, I connect the load tester to see if it is worth re-installing the battery. If it tests good, I charge for a few hours more to replace the lost watts that the load tester used. If it fails the load test and it is still in warranty, it goes back to Walmart. If the load test is just barely below limits of passing, I will install it in one of my tractors with an older battery.

Buying 7 batteries in a years time would be a chunk of money to save if buying at Walmart.

There is actually 3 different ways to test the battery.
One would be a voltmeter to check voltage. This requires a some what reliable voltmeter or multimeter. I think the full charge voltage is 12.7 to 12.9 volts. If the voltage is only 10 volts or so, that is an easy indication of a bad cell in the battery. That checks voltage but it really doesn't mean that the battery can handle a heavy load. It may handle electronics(Radio, GPS or VHF radio) but may fail to start an outboard or run a trolling motor for very long.

The second method is with the load tester. The load tester can be used even if it still installed in the boat or vehicle. It is as simple as connecting the clamps to the positive and negative posts. A spring loaded toggle switch is actuated for 5 seconds and a reading is displayed on the meter. It places a dummy load of close to 100 amps on the battery. You do this while watching the meter on the load tester. It is calibrated in voltage and if voltage readings scare you, it has a scale which reads BAD, WEAK or OK. 5 seconds is long enough time to be engaging the starter motor on an outboard or vehicle. If you boat motor takes longer or if it takes multiple tries to start the motor, that can be simulated with the tester also. Just actuate the switch on the tester to mimic what your starting procedure is on your boat. I like this test. It comes as close to what your battery actually needs to do, to produce the CURRENT(not voltage) to turn the starter.

The third way is by measuring the specific gravity of the electrolyte. This is the most accurate way to test a battery, but most people don't want the extra work involved to accomplish accurate results.
You need a temperature compensating hydrometer to do this. They are available at some auto parts stores for $20-40.
It looks like a glass turkey baster and it is used during charging to see the rise in specific gravity of the electrolyte. You need to remove the caps on the battery to use this device. If your battery has sealed caps, you can not use this method. A discharged battery is around 1.120 and fully charged is 1.265. You test all of the cells(holes) by sucking some electrolyte(it is sulfuric acid and distilled water so be careful and wear eye protection and if it gets on your clothes, it will eat a hole in it) into the glass tube, read the value on the floating bulb and note the results. All 6 cells(on a 12 volt battery) must be tested. Squirt the electrolyte back in the cell and go on to the next until all are tested. The cells should not vary. If they do, battery capacity will suffer. The wider the gap, the less reliable the battery.

Wet cell lead acid batteries are pretty simple devices. Do a Google search to really get to understand them. They are needed to operate our boats safely. Not much difference between a flashlight battery and a lead acid except weight, size and electrolyte type.

When I was a Coastie shipboard electrician, I was in charge of the battery locker. It contained banks and banks of batteries to operate emergency systems including the main gyro for navigation. Later when I transferred to Coast Guard aviation, I ran the lead acid shop which supplied batteries to all fixed wing and helicopters and the ground support equipment at the Air Station. I also spent the last two years of service teaching electrical theory.

I feel very comfortable using Walmart batteries. I think they are as good a deal for the money that you can get.

minitauk85 posted 01-27-2007 07:50 AM ET (US)     Profile for minitauk85  Send Email to minitauk85     
I think the main problem is that I drain these batteries down significantly by trolling, I hook my trolling motor up directly to the battery and it runs constantly for 4 to 5 hours, draining the battery to 25% (just a guess). I don't care to put two trolling batteries in the stern of my 15- too much weight!

Jimh- you are right on with the perpetual battery scenario, that is the upside! The basic Walmart marine battery (deep cycle) costs $42. The Maxx Everstart is $64. We'll see what happens! I appreciate all the feedback-k

jimh posted 01-27-2007 10:48 AM ET (US)     Profile for jimh  Send Email to jimh     
I enjoyed your narrative regarding battery use and maintenance. Allow me to share mine.

I am currently "managing" two rather large UPS devices. Each has 40 batteries connected in series, providing about 530-volts. The batteries are all valve-regulated lead-acid (VRLA) 12-volt cells, or "jars" as the UPS company guys like to call them.

We have a supervisory system which monitors the individual jars in the battery string. Each jar is monitored for terminal voltage and checked hourly. Each jar is also checked for internal resistance every six hours. The technique for checking the internal resistance is proprietary with the manufacturer of the monitoring device, but it does not involve significant discharge of the cells.

The jars are arranged in trays of four batteries, and one monitoring device handles all four batteries in a tray. Due to the high voltage accumulated across the entire string (530-volts) and also due to interconnection to the power mains (240/480 Volt AC), the monitoring devices are strung together with a nonconductive fiber-optic network in order to avoid creating any DC connection between them which could create ground loops or other stray potentials in the system.

The fiber-optic loop terminates into another device which converts the data for transmission via copper (UTP) ethernet networking to a dedicated monitoring computer. The monitoring computer collects and stores the data.

The terminal voltage and internal resistance measurements of all 80 jars are recorded into a database. The supervisory software plots the historical data on various charts. The software also monitors for out of tolerance readings. When one is detected the software emails a notice to me regarding the reading, and it identifies the particular battery which triggered the alarm.

The UPS device itself (not the monitoring system) periodically (about once a month) puts the battery string under a load of about 40-Amperes and maintains this load until the string drops to about 75-percent of the full-charge voltage. The time it takes to reach this state of discharge is noted and evaluated as an indicator of the health of the battery string.

The UPS system is designed to maintain power on crucial circuits until our standby 300-kW generator can be (automatically) started and brought on line. The system is designed to allow us about an hour to accomplish that. Typically the generator will start and stabilize in less than a minute.

The VRLA batteries are kept at a "float" voltage of around 13.5-volts. The float current through the string is around an ampere or so. In this service the manufacturer says the battery has a reliable and useful life of about 48-months.

Prior to installation of this sophisticated monitoring, we operated the UPS with our fingers crossed and waited for it to fail one of the monthly capacity tests. Then we would replace all 40 batteries. Historically about 48-months of service was the point at which the battery string would start to show reduced capacity and fail the monthly load test.

Because there are so many batteries connected in series, the string is only as good as the weakest jar. Since installing the more sophisticated monitoring, we can identify individual jars in the string which are showing signs of weakness. Instead of replacing the entire string of 40 batteries, we can replace just the weakest of them. In this way we hope to be able to maintain all 80 jars in a useful condition so that in the event we actually experience a sustained power outage the system will function as intended.

The downside is that we no longer have 80 fairly good VRLA AGM cells to throw out every few years. The upside is that the next time we do a wholesale replacement, I can cherry pick the best battery in the lot for my personal "disposal."

Back to Walmart house brand batteries.

I would say that the general reports of quality are good, and the situation described above wherein the battery fails every 6-months is due to poor maintenance rather than poor quality of the battery.

The last time I was in the market for a new marine battery (May 2006) I went to Walmart to get one of their house brand batteries. They were completely sold out! I guess many boaters are aware of the value offered in Walmart house brand batteries, and they had cleaned them out before I got there.

handn posted 01-27-2007 10:57 AM ET (US)     Profile for handn  Send Email to handn     
Thank's happyjim for the definitive answer on batteries and keeping them up.

There are a few battery manufacturers in the U.S. and Mexico that make batteries to be relabled for sale by various retail outlets.

A Wall Mart battery with a 48 month guarantee will be the same as an Auto Zone or some other brand with the same guarantee.

If a battery fails after six months, there is something wrong. Most likely, the battery is being overcharged by an outboard with a nonexistent or deficient voltage regulator.

There is no way using a load tester properly one time will significantly discharge a battery. A typical marine battery will have a 500 amp hour rating. The load tester puts a 100 amp drain on the battery for a few seconds.

JayR posted 01-27-2007 11:26 AM ET (US)     Profile for JayR  Send Email to JayR     
I too use the Wal-Mart batteries. As of late, I have switched to the Auto-Zone house batteries due to their cost. Autozone has been selling them for a bit less than Wal-Mart. They look to be identical.

I too have a diesel truck with dual batteries. I also have a motorhome with 7 batteries in it. One for starting and the other six are maintained by a wind generator while on the beach and provide our only power for the summer. The wind generator is an Air-X model and it works flawlessly.

In addition to that, our everyday vehicles and the boat also have the same batteries.

If properly maintained, they will all outlive the warranty period by at least one year. Unfortunately, out of sight is out of mind and I have frequently killed every one of them in a winter of non-use. Leaving them in an unused vehicle or boat with any type of drain will do a number on them.

This happened last year with the motorhome. A closet door was left open during the day and the auto on light was not noticed. Six one year old batteries were unable to take a charge when I found them in a discharged state. Thankfully, the warranty covers stupidity. All six were replaced at Wal-Mart free of charge. Sometimes it pays to be stupid.

HAPPYJIM posted 01-27-2007 12:29 PM ET (US)     Profile for HAPPYJIM  Send Email to HAPPYJIM     
Sounds like a pretty neat UPS system that you are managing, Jim.

Technology sure has come a long way in the thirty some years since I maintained battery banks. That one on the ship had a hand written log book that went back more than 20 years. Most of the batteries were more than 10 years old. When a bad cell was found, that battery was flushed with distilled water and filled with new electrolyte, charged and tested and put back in the rack. I never discarded a battery in the 18 months that I maintained them.

The only problem that I can see with that "supervisory system" is that it can't monitor individual cells. A lead acid battery rarely goes bad as a whole. One of the cells usually starts to fail and that eventually does bring the battery down.

Valve-regulated lead-acid (VRLA) batteries have sealed caps which will not allow individual cell maintenance. This rules out the use of a hydrometer, which is still the best way to perform capacity maintenance.

It would be nice to live a little closer to you when it's time for doing a "wholesale replacement". I just might be persuaded to switch to glass mat batteries if the price was right.

minitauk85 posted 01-27-2007 05:22 PM ET (US)     Profile for minitauk85  Send Email to minitauk85     
HAPPYJIM- So when I recharge my battery is it better for the battery to recharge it slowly with low amperage over a longer period of time? I have been recharging with a charger that has 3 settings, I usually start it on the 6 amp setting and it automatically steps down to lower charging rates from there-k
HAPPYJIM posted 01-27-2007 08:28 PM ET (US)     Profile for HAPPYJIM  Send Email to HAPPYJIM     
6 amps is good. Automatic setting is the best to charge it.
The battery may take a long time (days) to charge at that rate. If you charge it at a high rate, you take the chance of boiling the electrolyte. If you charge at 6 amps for 24 hours, that only puts 144 amp hours back in the battery. In 2 days(48 hrs) you will have put in 288 amp hours. You multiply the amps times how many hours the battery charges.
If the battery is way down it may take quite a while to charge it. If the next higher setting is 15 amps, you can charge it at a higher rate for say 2 hrs. When charging at higher rates, you must keep an eye on the battery. Pop the caps off and while it charges you should see little bubbles coming to the surface. You don't want to see electrolyte spitting out the holes. That is too high a rate. Feel the sides of the battery for heat when charging at higher rates. If you can't hold the back of your hand on the battery, the charge rate is too high

Lets say you have a 500 amp hour battery. If it is 50% down, you need to charge it 250 amp hours. That's 25 amps for 10 hours or 12.5 amps for 20 hours or 10 amps for 25 hours or 6 amps for 42 hours. I hope that I explained that right.

You can do combinations of charging also. Start out at high rate(caps off and watch close) then reduce through the lower rates to get a full charge.

And yes it is better to charge at lower rates because of greater heat at higher charge rates. If your charger has a jump start feature, never use that for charging a battery.

minitauk85 posted 01-28-2007 06:12 AM ET (US)     Profile for minitauk85  Send Email to minitauk85     
I am usually not in a hurry for the recharge, I use my trolling motor battery once a week if possible. This means I have a full week to recharge my trolling battery, so "low and slow" it is! By the way- I fished yesterday and ran the new MAXX battery for about 4 hours pushing my boat around the lake with little if any signs of diminished power to the trolling motor, maybe I just needed a bigger battery! (these batteries are much larger in size than the orginal Everstart marine batteries, it completely fills my battery box). Thanks for the help-k
jimh posted 01-28-2007 09:27 AM ET (US)     Profile for jimh  Send Email to jimh     
The life of a battery will be extended if its normal pattern of use does not create a deep discharge. For example, a battery which is only partially discharged and then recharged will tolerate more of those cycles than a battery which is completely discharged and then recharged. This applies to deep cycle batteries, too, even though they are more tolerant of deep discharge and recharge cycles than an engine-starting battery.
jmorgan40 posted 01-28-2007 09:35 AM ET (US)     Profile for jmorgan40  Send Email to jmorgan40     
All four of my batteries are Walmart Everstarts. They were recomended highly from the owner of the company who make the stealth charging system I installed to maintain all four batteries. If I remember correctly, he said they are made by Johnson Controls. My four are about 18 months old and I have had no problems at all with any of the batteries. With the 24 volt Lenco Troll-n-Tabs, all the lights, electronics, 100 watt stereo, and 50 gal baitwell I am pulling alot of juice with no problems.

Plus, as you mentioned they have a great warranty.
I have not been on the lake since the first week of Jan. this is my busy time of year. See you on the lake soon.

minitauk85 posted 01-28-2007 07:49 PM ET (US)     Profile for minitauk85  Send Email to minitauk85     
Joe- I fished yesterday and was amazed at how many folks were out- as cold as it was-there was a little ice on the ramp, and I fished a creek (Young Deer) which I haven't fished in quite a while. The Marine MAXX battery scooted me around just fine, even with some light wind, it didn't seem to lose power even after 4 hours of constant running. I hope this one holds a charge better-k
(by the way-I haven't landed a striper in weeks! caught a fun largemouth yesterday though!)
RLSmith posted 02-04-2007 12:39 AM ET (US)     Profile for RLSmith  Send Email to RLSmith     
Some battery shopping info that might be useful... I recently replaced my seven year old car battery. It is a group 49 with 805 CCA and most vendors were quite expensive, in excess of $100. I found a really cheap Autozone Duralast battery with a good warranty. After researching I found that Johnson Controls makes a dozen or so battery brands. The battery I purchased looks identical to the far more expensive group 49 DieHard, Interstate, etc. This article has some interesting info.

"Most auto batteries are made by just three manufacturers, Delphi, Exide, and Johnson Controls Industries. Each makes batteries sold under several different brand names. Delphi makes ACDelco and some EverStart (Wal-Mart) models. Exide makes Champion, Exide, Napa, and some EverStart batteries. Johnson Controls makes Diehard (Sears), Duralast (AutoZone), Interstate, Kirkland (Costco), Motorcraft (Ford), and some EverStarts."

jmorgan40 posted 02-04-2007 11:03 AM ET (US)     Profile for jmorgan40  Send Email to jmorgan40     
Very interesting article. I had heard the same thing. I am not sure who made my Everstart, but all four seem to be holding up nicely.
royd posted 01-11-2009 09:58 AM ET (US)     Profile for royd  Send Email to royd     
EVERSTART batterys are junk,they say that they have a 18 mo. xchange out warranty and a 2 yr pro rated.I bought three of these batterys at WAL-MART they were MARINA battery.205 reserve deep went bad so I took it back to WAL-MART, had reciept and they scaned it.The 18mo. had expired but still had 3 mo.left on the 2yr pro rate.They sayed they would give me $3.00 toward a like battery as that was the amount of warranty.I` d like for everyone to be aware of these junk batterys it is a scam.......BUYER BE WARE !!!!!!!!!!!! I CAN GET MORE AS SCRAP AT A JUNK YARD FOR MY BATTERY.This is just another word game for a warranty.
jimh posted 01-11-2009 10:23 AM ET (US)     Profile for jimh  Send Email to jimh     
royd--Thanks for your initial article contributed to our discussion in which you gave us a narrative of your experience with a particular brand of battery and its retailer. In general I would suggest that a retailer such as WAL-MART is not concentrating on customer service, nor would I expect that the products they sell are premium products, particularly when you purchase their house branded products.

In a warranty which covers 24-months, if the product fails at 21-months then the product has fulfilled 21/24 or 0.875 of its warranted life. The pro-rated refund of the product's purchase price would then be 0.125-times the original price. Since you received $3, this implies the original price was

$3/0.125 = $24

If you paid more than $24 for the battery, you did not get the proper pro-rated return. It is hard to tell if this is the case at hand because in your narrative you did not mention what price you paid for the battery. The details of the warranty coverage should be specifically stated in a written warranty that accompanied the product.

In addition, as you have pointed out, a battery has an intrinsic scrap value due to the residual value of its lead core. Typically most retailers will give you a core credit of more than $3. In that case, surrendering the battery to WAL-MART for only $3 credit may not have been the best use of the defective battery.

As I noted above, the warranty period offered with the purchase of a new battery is often a good indicator of the quality of the battery. If a manufacturer offers only a 18-month warranty on a battery, this is a good indicator that the manufacturer anticipates that the product will last 18-months but perhaps not much longer. As you discovered with the pro-rata warranty clause, there was little value in the warranty once the 18-month period expired.

Manufacturers of premium grade marine batteries offer ten-year warranties, and you can anticipate that their batteries will last for that amount of time. Again, as I recommended previously:

--buy a quality battery
--take good care of it.

Dick E posted 01-11-2009 12:09 PM ET (US)     Profile for Dick E  Send Email to Dick E     
Royd dug up an old post from 2007 and put negative comments. Let’s look at Royd post; has he posted many times before? No, this is his first post.

I just bought a battery from Wal-Mart the core charge is 9 bucks.
Did I ever have a battery at Wal-Mart go bad? One. I told them it would not hold a charge, no testing gave me 50% of my money back( ½ thru warranty period) and no core charge on the new one.

The depth of a discharge has a profound effect on batteries see link below.
I use my battery for trolling so my depth of discharge is 50-80 %. I use my batteries 25-35 times a year to me the Cost is battery cost / months of service.

jimh posted 01-11-2009 12:31 PM ET (US)     Profile for jimh  Send Email to jimh     
Dick--Thank you for providing clarification that WAL-MART does not charge an additional core deposit when providing a new battery under the terms of a pro-rata warranty. If the core credit is given for the old battery and a pro-rata refund is also made, this gives the purchaser a much better deal than was suggested by the narrative given by royd.

A battery is not a durable good, and when you buy a battery there is an expectation that there is a certain life span anticipated for the product. As I have mentioned, a reasonable basis for judging the life span of the product is by measurement of the warranty or other guarantee offered by the manufacturer.

To learn that a battery with a warranty of 24-months failed at 21-months is not particularly surprising. As I mentioned, this represents 87.5-percent of the anticipated life span. Also, the retailer apparently made good on the pro-rata refund. Whether or not this result constitutes an alarming variance with the anticipated performance is perhaps more of an individual perception.

Generally in non-differentiated products, like a battery where brand name or fashion play little influence, there is a relationship between price and performance. If there were no such relationship, it would be very hard to sell $240 batteries that performed no better than $24 batteries. However, in most cases you will find that a $240 battery performs better than a $24 battery, and for some applications the greater performance is needed and the price justified.

bassonly posted 04-20-2010 03:08 PM ET (US)     Profile for bassonly  Send Email to bassonly     
Just bought an Everstart marine battery from Walmart. Found out they no longer provide ANY warranty on marine batteries. I returned the battery unused.
davej14 posted 04-21-2010 07:20 AM ET (US)     Profile for davej14  Send Email to davej14     
Using a proper charger is one of the best ways to prolong battery life. The charger for an SLA (sealed lead acid) battery is particularly important because if you apply over voltage you will vent electrolyte which cannot be replaced. If your charger has current settings it may not be a proper charger because as the batter reaches a state of full charge it will necessarily need to increase voltage to maintain a current controlled charge rate. This is not a good situation for an SLA battery. The charger should automatically regulate the charge rate based upon voltage and it should maintain a float charge voltage at a proper level after the battery is fully charged.
jimh posted 04-21-2010 09:21 PM ET (US)     Profile for jimh  Send Email to jimh     
Dave--The TOPIC here is WAL-MART house brand batteries with the EVERSTART MAXX designation. I imagine they appreciate good charging like any other battery. Proper charging helps any battery, so it helps WAL-MART batteries, too.

BASSONLY--Thanks for the update on WAL-MART warranty policy or perhaps LACK of warranty policy.

jimh posted 04-21-2010 09:24 PM ET (US)     Profile for jimh  Send Email to jimh     
As I suggested earlier in the discussion, you can make a reasonable inference about the service life expected from a battery by the length of the warranty period of the battery. Since WAL-MART now offers only a 0-month warranty period, it is reasonable to expect the battery will only last 0-months, according to the suggested rule that relates warranty duration to useful service life.
davej14 posted 04-22-2010 11:26 AM ET (US)     Profile for davej14  Send Email to davej14     
jimh -- I don't see how my suggestion about proper charging to extend the life of an SLA battery is anymore off topic than your statement "The life of a battery depends mainly on the use to which it is applied."

I offered the suggestion because of minitauk85's remark that he is apparently charging his Wal-Mart batteries with a current regulated charger which could be partly to blame for his reduced battery life. The real question here is not the number of months that the battery is expected to last but rather how many discharge cycles the battery is designed to withstand.

It would be valuable to us if minitauk85 could tell us how many discharge cycles his Everstart Maxx batteries experience before failing within the six month period.

jimh posted 04-22-2010 01:30 PM ET (US)     Profile for jimh  Send Email to jimh     
Battery charging, battery chargers, battery charge and discharge cycles, and so on, are all interesting topics in themselves. But here we are focused on the WAL-MART house brand EVERSTART MAXX battery. The discussion began three years ago, has been dormant for a while, and was just revived to announce a significant policy change at WAL-MART on their warranty offer for marine batteries.

If you want to reply to a remark made over three years ago in this discussion, I would just gently suggest you are a bit late.

Hoosier posted 04-22-2010 03:28 PM ET (US)     Profile for Hoosier  Send Email to Hoosier     
I just got back from a trip to my local WalMart and the Maxx Marine Batteries come with an 18 month warranty.
davej14 posted 04-22-2010 04:55 PM ET (US)     Profile for davej14  Send Email to davej14     
Guess I need to start looking more closely at the dates on these strings.
jimh posted 04-23-2010 12:31 AM ET (US)     Profile for jimh  Send Email to jimh     
Dave--Thank you for the information about the warranty on the WAL-MART house brand EVERSTART MAXX battery having an 18-month warranty. This is a complete contradiction of the information from BASSONLY.

The most reasonable explanation why HOOSIER and BASSONLY can report on WAL-MART's battery warranty with such contradictory information is to suppose that the warranty policy must be determined by the store manager as a local policy, or in some way there is a difference in the policy at the two stores which were visited.

Hoosier posted 04-23-2010 08:03 AM ET (US)     Profile for Hoosier  Send Email to Hoosier     
I also found out that prices can vary in WalMarts in a local area; apparently the individual stores have some pricing flexibility. During the same shopping run I found that the in-store price of an item at WalMart was less 20% less than the same item I had just bought at Sam's Club a mile away. I guess it still pays to shop around...
Hoosier posted 04-25-2010 07:51 AM ET (US)     Profile for Hoosier  Send Email to Hoosier     
FWIW: Sam's Club "Energizer" marine batteries come with a 12/36 warranty. They'll replace it free in the first 12 months and then prorate it out to 36 months.
RAO posted 04-28-2010 10:01 PM ET (US)     Profile for RAO  Send Email to RAO     
The batteries at Wal-mart are from EXIDE Industries. Believe it or not they are good batteries. Like any other product out there you will find flaws. As for "Wal-mart"s policies... they are actually EXIDE's policies. Wal-mart has to enforce these policies or be penalized and/or loose the product. The serial number bar code is EXIDE's way and Wal-marts way to keep track of what's being sold, pro-rated, so-on and so-forth. The battery books Wal-mart has are from EXIDE. The only problem that Wal-mart has is some people believe any battery can go into any car. Use the books at Wal-mart. If your vehicle calls for a Maxx 34N....use the Maxx 34N. If your vehicle calls for a the 75-3N. Wal-mart does want to help out... not hand out. Wal-marts [unclear, some sort of acronym or initials for something not recognized] will have a copy of the policies--just ask.
Booby posted 04-29-2010 01:25 AM ET (US)     Profile for Booby  Send Email to Booby     
Hi everyone, I was cruisin' for information on batteries, and got a head full on this forum. Thank all of you for the information. I had to join the forum to let you know that I was just at Walmart a couple hours ago and checked out their 6v deep cycle battery. On top the battery was a tag with, Johnson Controls on it. Hence, the battery manufacture. I went home, got on the internet and went to their website. I found a link located on the right column of their homepage that stated an article about dealing with Walmart. In short it said that they, Johnson Controls will be making ALL of Walmarts batteries. Johnson Controls makes batteries for several different companies, including Interstate, AutoZone, Sears, and etc. Thanks Again, Booby
jimh posted 04-29-2010 01:30 AM ET (US)     Profile for jimh  Send Email to jimh     
To RAO--Thanks for the information that WAL-MART batteries are made by EXIDE.

To Booby--Thanks for the information that WAL-MART batteries are made by JOHNSON CONTROLS.

L H G posted 04-29-2010 01:39 AM ET (US)     Profile for L H G    
I use Walmart combo starting/deep cycle batteries, and some stores carry them made by Exide, and some stores carry them by Johnson Controls. They seem to have both brands do their manufacturing for them. All are branded "Everstart".

I prefer the Johnson Control variety of combo starting/deep cycle, since I use the Whaler tan battery boxes, and the Johnson Control batteries are of a height that fits the boxes. The Exide versions, with the scalloped top edging, are 1/2" taller than the rim of the Whaler tan battery box, causing the cover to not fit down all the way.

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