StirCrazy
Kamloops, BC, Canada
Senior Member
Joined: 07/16/2003
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wa8yxm wrote:Early LI batteries had a tendency to FLAME ON due to crappy control systems.
Newer ones .. Well any battery can do it Even lead acid. but the odds have gone way way down.... I used to sleep atop a Lead Acid and still sleep beside 3 of them.. When they get replaced I'll be going LiFePo4
It really has nothing to do with early as the nickel cobalt LI is still being used. LiFePO4 is just a different chemistry which is more resistant to thermal runaway.
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StirCrazy
Kamloops, BC, Canada
Senior Member
Joined: 07/16/2003
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doughere wrote:I have a 300 Lipo I'm installing on my TT. Choices of place are front frame (most usual place), In front pass through compartment, or under bed. Front frame is a problem, as I can't find box to fit. Front compartment, who wants to loose that space? Under bed, would need to build box (plywood) and it would be pretty inaccessible; but my preferred location. Question is, how much accessibility is really needed?
Thanks,
Doug
You would need a box anywhere you put it. one thing to consider is with the cost of the LFP batteries they have quickly become something the dealers are starting to see ripped off. by putting it under the bed it is in the conditioned space and the self-heating wouldnt come on very often. if you were to put it in the pass through, I would secure it a bit, everyone has that key on their rv keys, and on the tongue, I would get a heavy metal lockable box that is bolted to the frame in a way you can't undo it from the outside of the box and has a good locking system. it's sad we have come to this with our RV's
but you have to deter people from taking your stuff now a days
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Boomerweps
Hills of PA
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Joined: 04/30/2018
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Considering all factors, one which was box size, I installed my LiFePO4 under my bed in the pass through storage. Easy-peasy, disconnected the old battery on the tongue, freed up the wires. Drilled a hole through the floor and connected the new battery inside. I added a battery disconnect initially. Only needed one more cable from the disconnect to the battery, otherwise, used the stock cabling.
Since then I’ve added a couple buss bars, second battery, solar connections, shunt battery monitor, and a 2000 watt inverter. And lots of thick wiring.
Leaving a LiFePO4 battery on a trailer tongue unsecured is money in the wallet of a thief.
FLA batteries get stolen from storage lots all the time and are worth at best less than half the $$ of LiFePO4. And sleeping nearby, if plugged in at a CG, you wouldn’t notice a brazen thief taking your battery if your converter is working.
You just need a retaining block and/or strap for interior battery mounting of LiFePO4. No venting, no liquids, no acid overflow concerns. And it can be mounted in any orientation, whatever is convenient for ease of wiring.
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