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Author Topic:   Battery Charger/Starter: Substitute For Dual Batteries
Perry posted 12-03-2005 09:10 PM ET (US)   Profile for Perry   Send Email to Perry  
Something on my Christmas list is an Engine Starter/Battery Charger. I plan to use it for a number of things including putting it in the console of my 190 Nantucket (w/4 stroke motor) when I go boating.

Is this a good alternative to having dual batteries? I only run a VHF, fuel flow meter and GPS while boating, and feel I don't need two batteries. The unit I am looking at weighs less than 9-lbs and has lots of amps for starting. Any comments will be appreciated.

Plotman posted 12-03-2005 09:44 PM ET (US)     Profile for Plotman  Send Email to Plotman     
I would question how well something that weighs 9 lbs is going to do starting an engine in the 150 HP range. Even the battery for a garden tractor is bigger than that.
Perry posted 12-03-2005 10:20 PM ET (US)     Profile for Perry  Send Email to Perry     
It provides 100 amps for starting. That is more than enough for even a large V8 truck motor.
Bulldog posted 12-04-2005 06:51 AM ET (US)     Profile for Bulldog  Send Email to Bulldog     
It will boost a weak battery, as for from a dead battery, try it! Disconnect your battery and put the starter in line, see what happens. If it works I would think it is a good idea..........Jack
HAPPYJIM posted 12-04-2005 07:02 AM ET (US)     Profile for HAPPYJIM  Send Email to HAPPYJIM     
I carry one that I bought from Sam's Club. It jump starts, inflates tires, 12 volt DC power source(lighter recepticle)and a light. It was $45 and I use it all the time and depend on it. It will jump my diesel truck.
jimh posted 12-04-2005 08:46 AM ET (US)     Profile for jimh  Send Email to jimh     
The device you describe sounds like it is the same as having a second battery on the boat, except the second battery is much smaller, is not permanently connected, and is not being charged by the boat's battery charging system. It costs about the same as a second battery.
HAPPYJIM posted 12-04-2005 10:21 AM ET (US)     Profile for HAPPYJIM  Send Email to HAPPYJIM     
Mine also came with a charger that connects through the lighter recepticle on the boat or it can be charged in the car or can be charged at home. It has a charge indicator on the face also. I like it because it is portable. I can even plug my cell phone into it. It is much smaller than a second battery and does not have the starting capacity of a regular battery. A second battery won't inflate tires like this jump starter. The local marina has one that the operater jump starts the boats with and charges $5 per jump. I bought one for myself after hearing his comments about how good it worked for him using it commercially.
I tried to search for the one that I bought from Sam's but couldn't find the model that I have. This one is like it but no air compresser but it has an A/C inverter. I guess you could run a small TV and watch soaps if the fish aren't biting. mt=a&coe=0&oidPath=0:-23541:-42505:-42512:-42942:-42945:719598

Oh! long url........

Perry posted 12-04-2005 11:43 AM ET (US)     Profile for Perry  Send Email to Perry     
Thanks guys. I will have the wife buy one at Sam's Club, wrap it up for me and put it under the tree. It seems to have what I'm looking for:

Removable 200 watt power inverter runs 110 Volt AC appliances and accessories
12 Volt DC output socket with automatic short circuit protection
110 Volt AC/DC adapter power cord for recharging from standard wall socket
Extra-long 27" cables
1000 Amps (peak)
400 Amps instant starting power
300 Amps cold cranking
200 watt continuous power inverter

Since it can start a diesel truck, I'm sure it would have no problem starting the BF135 on the back of my boat (which is based from the 4 cylinder motor from the Honda Accord).

LHG posted 12-04-2005 01:49 PM ET (US)     Profile for LHG    
Perry - Can these mid size 4-strokes like yours be rope pull started?
Perry posted 12-04-2005 04:49 PM ET (US)     Profile for Perry  Send Email to Perry     
Larry, the tool kit did not include a rope and hamdle and the flywheel is not exposed (plastic cover) so I assume it can't be pull started. I suppose the same is true for the other mid-range 4 strokes as well as the Optimax.

What about the older mid-range two strokes; have you tried to pull start the Mercury 150 on your 21?

bigjohn1 posted 12-04-2005 08:07 PM ET (US)     Profile for bigjohn1  Send Email to bigjohn1     
Perry - your engine should have come with a pull rope. They can indeed be started but you must first remove the two 10mm bolts that hold the plastic cover you spoke of. The owners manual addresses this and also states it can be started with a dead battery. I am not willing to stake my life on that info but that's what I read. If anything you read in your manual conflicts with what I have said, please bring it up so we can clear it up and learn. Lots of folks on this board with late-model mid-range Merc 4-strokes like ours.
Perry posted 12-04-2005 09:37 PM ET (US)     Profile for Perry  Send Email to Perry     
John, my motor isn't a Mercury. I had my 2005 Nantucket repowered with a new Honda BF135. After the pouring rain stops, I'll go outside and read the owner's manual which is inside the console and see what it says about being pull started.
macsfriended posted 12-05-2005 02:24 PM ET (US)     Profile for macsfriended  Send Email to macsfriended     
Since these items pricing has moved down, I've also developed an interest in carrying one in each family vehicle and then to haul it from car to boat when the water gets warm again.

Who has got a feel for their "shelf life" assuming periodic recharging as recommended by their mfgr's.???

How much risk of acid spillage if they get tipped while riding around in a car, boat, etc.??? Do they require a solid, fixed mounting and clamping???

Any other concerns that should be brainstormed???
Thanks, Ed

HAPPYJIM posted 12-05-2005 04:35 PM ET (US)     Profile for HAPPYJIM  Send Email to HAPPYJIM     
I carry mine in the back seat floor of my crew cab pick-up with no problems. It got tipped over when I was carrying passengers for several days with no leakage. I have had it for 1 1/2 years and have charged it 4 times. I have jumped several trucks, boats, tractors and lawn mowers. I have also used the air compressor to pump up a bad tire on my trailer many times. I holds a charge for a long time. It sat in my truck for almost 6 months and still had almost a full charge when I hit the charge indicator button.
JMARTIN posted 12-05-2005 05:00 PM ET (US)     Profile for JMARTIN  Send Email to JMARTIN     
I got one of these almost three years ago as a present. I wondered what in the world I would use it for. I have an air compressor, jumper cables, and a light. Then, a year later I used it to jump my pickup. Worked great and it had not been charged for 6 months. Now I keep it on the boat and use the light and the power source while at anchor. While I have not used it to start my motor, I bet it would. John
Bulldog posted 12-05-2005 07:05 PM ET (US)     Profile for Bulldog  Send Email to Bulldog     
The hospital I work at has a security department that uses the jump starters (many brands) over the years they seem to hold up ok for years of hard use and my electricians have fixed at least five or six different brands over the years , the batteries were all sealed type non spillable! Most of the ones we dispose of are mechacnically broken or charger circuits are shot, batteries are replaceable. My problem is when paying my guys to do the work that replacemnet cost of about $35.00 makes it hard to repair cost effectivly, sad but true it is usually cheaper and better to replace. I was at Sam's club today that charger is pretty nice and it is heavy!.....Jack
swist posted 12-07-2005 07:27 AM ET (US)     Profile for swist  Send Email to swist     
"How much risk of acid spillage if they get tipped while riding around in a car, boat, etc.??? Do they require a solid, fixed mounting and clamping???"

These new devices are very high tech since they are so new - I'm pretty sure they do not have a conventional lead acid battery inside - that was probably the problem the designers were trying to overcome - you could have built a package with a conventional charger and a lead-acid battery in it 50 years ago, but it would either be too heavy to be portable, or else it would have been too weak for starting big engines.

banff22 posted 12-07-2005 11:08 AM ET (US)     Profile for banff22  Send Email to banff22     
I'm probably too late jumping in here but you want to explore this product and all the products this company makes.


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