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  Need for Two Batteries

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Author Topic:   Need for Two Batteries
gchop750 posted 12-27-2008 11:31 AM ET (US)   Profile for gchop750   Send Email to gchop750  
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?

HAPPYJIM posted 12-27-2008 12:02 PM ET (US)     Profile for HAPPYJIM  Send Email to HAPPYJIM     
If you do much offshore fishing 2 is always better than one.
Jerry Townsend posted 12-27-2008 12:46 PM ET (US)     Profile for Jerry Townsend  Send Email to Jerry Townsend     
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
Bella con23 posted 12-27-2008 02:35 PM ET (US)     Profile for Bella con23  Send Email to Bella con23     
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.
Joe

WhalerAce posted 12-27-2008 02:46 PM ET (US)     Profile for WhalerAce  Send Email to WhalerAce     
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.

--- WhalerAce

jimh posted 12-28-2008 11:39 AM ET (US)     Profile for jimh  Send Email to jimh     
Move to SMALL BOAT ELECTRICAL.
jimh posted 12-28-2008 11:41 AM ET (US)     Profile for jimh  Send Email to jimh     
Rigging a boat with a second battery is generally done to provide redundancy for starting the motor and not to accommodate high electrical loads.
gchop750 posted 12-28-2008 02:26 PM ET (US)     Profile for gchop750  Send Email to gchop750     
Okay looks like 2 batteries mounted in the console.

Thanks

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