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Author Topic:   Battery Case in Splash Well
MP posted 05-14-2009 10:22 AM ET (US)   Profile for MP   Send Email to MP  
For years my two battery cases have been located in the splashwell of my Boston Whaler boats (1990 OUTRAGE 17, 1989 OUTRAGE 18). The only problem I've ever encountered is a little water in the bottom of one of the cases of my 18-footer that did not compromise anything I know of. I regularly check the cable connections and spray protectant [on them]. I've just upgraded some electronics, and had some training with the new electronics on board the boat. The instructor (and owner of the electronics company) was very nervous about the battery set-up and pointedly suggested that I [pull] the drain plugs out of the splashwell to keep the water from standing in the well around the electrical connections. I can understand his position, but I'd rather leave [the batteries] in the stern for balance and room in the boat, plus they're no apparent problem. What's the common wisdom on this? Thanks in advance for any input
jimh posted 05-14-2009 01:56 PM ET (US)     Profile for jimh  Send Email to jimh     
From an electrical point of view the batteries are better off being closer to their major load, the starter motor. Batteries do not like to be underwater. Those are the electrical concerns.

As far as how the boat balances with various weights distributed around its hull, that is not an electrical discussion.

L H G posted 05-15-2009 01:18 AM ET (US)     Profile for L H G    
I have plugged the three 1-1/4-inch drains in the splash well of my 18 Outrage and installed a bilge pump and float switch in the lower sump to get rid of any splash water. Works very well, and keep the batteries back there, as Whaler designed them to be.

See the third photo here:

Irish Hooker posted 05-16-2009 12:09 AM ET (US)     Profile for Irish Hooker  Send Email to Irish Hooker     
When I bought my Outrage 20, the first thing I did was move the batteries to the console. All you need is longer, and fatter battery cables. The engines are on jack plates, so the splash well was an open canvas after I moved them. And I always have extra batteries. Four to be exact. The well would be a little crowded.

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