Uploaded March 2025 | Updated September 2026, 2 weeks ago

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I have covered upgrading lithium batteries on RVs many times and I think they have really allowed RVs to be even more useful and have less maintenance. However, when shopping for lithium iron phospate batteries, it is not just price and amp hours that you should be considering but also the load or continous current draw the batteries will also be experiencing. The BMS on these batteries are rated differently for different applications so knowing if your BMS will be able to handle the current draw is important too. Also, I still am not recommending lithium batteries for engine starting batteries.

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