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Old 07-04-2020, 12:19 PM   #1
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Odessa , Florida
Join Date: Nov 2009
Posts: 1
lithium batteries located under chassis?

I have a 2018 Airstream Interstate Grand Tour and was interested in upgrading my 2 AGM to 2 Battle Born lithium batteries. My current batteries are located under the chassis in the rear behind the dual wheels drivers side. I was wanting to put the two Battle Borns where the old batteries are located but I was advised by an installer that this is a dangerous place to put these batteries due to potential damage, fire ect. IT seems to me that is was no dangerous than it was for the original batteries but I'm really new to the rv/battery world and would appreciate any ones ideas of having lithium batteries located like this.IMG_3386.jpeg

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Old 07-26-2020, 10:59 AM   #2
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Reno , Nevada
Join Date: Nov 2015
Posts: 59
'risk of fire' ?? I don't think so.

The current battery compartment exterior should obviously be very strong metal, capable of withstanding blow-out damage and road debris. If it isn't, it will need to be replaced. Yiou installer seems to be confusing BattleBorn LiFePO4 batteries with batteries using other kinds of Lithium-Ion chemistries.

LFP batteries don't have the high fire risk of other types, and the excellent internal BMS installed by BattleBorn prevents overcharrging, overcurrent, and other "fire-provoking abuse" in the first place.
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Within a strong aluminum box, my only concerns would be theft and likely low outside temperatures during mornings. BattleBorn batteries like to be inside, because they can't be charged at a high rate when the temprature approaches freezing (or falls below freezing in which case they can't be discharged very well either).

Some of these LFP batteries include built-in heaters, which warm them up before trying to operate in cold temperatures. I don't know if BattleBorn offers that feature in any of their models, but it might be worth looking into.
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