Moderated Discussion Areas
ContinuousWave: Small Boat Electrical
Need for Two Batteries
|Author||Topic: Need for Two Batteries|
posted 12-27-2008 11:31 AM ET (US)
On a Boston Whaler OUTRAGE 18 with a new motor of 150 HP with the proper wire size cables, why would I need two batteries? Other than the obvious use of a lot of electrics when the motor is not running why would I need two? The charging systems on the new motors put out a lot more.
What do you think?
posted 12-27-2008 12:02 PM ET (US)
If you do much offshore fishing 2 is always better than one.
posted 12-27-2008 12:46 PM ET (US)
Realiability! - A battery is argueably, the most unreliable of the weak links in our boats. Others (switches, hoses, et al. can be jury-rigged around) - but not a battery. Shutting down an engine, for what-ever reason - and then finding that the battery has a bad cell(s) - does not make for a fitting end to a fun day of fishing or playing. --- Jerry/Idaho
posted 12-27-2008 02:35 PM ET (US)
I absolutely agree with Jerry. Five mile is out of site of land for the most part. I have had that scare in the middle of the bay and didn't like the feeling of helplessness.
As Jerry suggests, one minute you can run out to you favorite fishing grounds and one of the cells can be shorting out without any symptoms.
posted 12-27-2008 02:46 PM ET (US)
But you don't have to buy a switch or wire it in to your system. Just take an extra battery WITH you, along with the two different box-end wrenches required to change it, and you will be OK. That will also reduce several potential points of failure.
posted 12-28-2008 11:39 AM ET (US)
Move to SMALL BOAT ELECTRICAL.
posted 12-28-2008 11:41 AM ET (US)
Rigging a boat with a second battery is generally done to provide redundancy for starting the motor and not to accommodate high electrical loads.
posted 12-28-2008 02:26 PM ET (US)
Okay looks like 2 batteries mounted in the console.
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