Quote:
Originally Posted by Hawkeye Ed
Yes, storing a LiFePO4 lithium battery fully charged long term might reduce its life somewhat. In practice, that simply means to not leave it on even a trickle charger during winter storage as you would with a lead-acid battery.
Since LiFePO4 batteries self-discharge at around a 5% rate per month anyway, you'll probably never have to worry about reducing their life if they're fully charged and then disconnected when you put them away for the winter. Charge them back up fully in the spring and away you go!
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Its rather important to follow the manufacture's instructions as Lithiums are not as "standardized" as lead-acid.
BattleBorn has these instructions on their web site - virtually identical to the above:
We recommend bringing the Battle Born Batteries to a 100% charge and then disconnecting them completely for storage. After six months in storage your batteries will remain 75 – 80% charged.