kimba Posted July 15, 2016 Share Posted July 15, 2016 Hello I have posted on the forum about what battery's to buy for my boat, and today I received my new battery's, so part two I want to build my own battery box. My questions are: Do I need to vent the box and advise? Is ply wood OK to use? ( Bbbb Grade High Quality Plywood) Do I need a large area of space after the battery's are installed? or lesser volume to prevent gas build up?. Anything I need to know? The battery's will be on the back of my boat, this area is a canopy and separate from the living area of the boat, under the canopy there is not much air flow, there is a diesel engine and diesel tank in this zone as well. The battery's are Varta LFD140 http://www.varta-automotive.com/en-gb/products/leisure/professional-dual-purpose/930-140-080 Thanks in advance. Link to comment Share on other sites More sharing options...
globebuster Posted July 16, 2016 Share Posted July 16, 2016 You need to clarify the exact installation position - Will they actually be below decks, along with the fuel and engine or in the cockpit under cover? If they are below decks then a bilge blower should be installed, if not currently present. Ply will be fine for construction of the box, and perhaps a good coat of Flo-coat or decent bilge paint inside would be advisable. I drop vent/limber hole would only be of use if installed above deck - if below you could be introducing heavier gasses into the bilge, which is not desirable. Unless you have a blower. If you have room to 'oversize' the box that will help, but it is critical that the batteries are well secured within. TBH, I didn't go to the link to see whether these batteries are sealed, agm, gel or whatever which could negate the need to vent- but the above would be considered good practice. Link to comment Share on other sites More sharing options...
kimba Posted July 16, 2016 Author Share Posted July 16, 2016 This is not my boat "sorry if someone owns it on this forum" but its same type design cockpit undercover a canopy, mine don't have a side seat and so the box will be going opposite the chair in that pic, on top of the already wooden floor. http://oi68.tinypic.com/6fwgnd.jpg Link to comment Share on other sites More sharing options...
globebuster Posted July 16, 2016 Share Posted July 16, 2016 I that case, your installation idea should be fine - nothing further to add really. Link to comment Share on other sites More sharing options...
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