BigDaddy wrote:
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As for how long you can store them, I think all lithium ion store well. There are tons of tips on best practices. For example, store at 40% charge, don't let it fully discharge, stop charging before 100% and so on. Quality chargers take care of some of this. For example a good charger will stop charging before 100% charge, cheap ones may not.
That's interesting... I've never seen a proper Lipo charger that doesn't complete the full recommended charge protocol. Even the chips that control the charge process are built to accommodate a full charge. Charging a lipo happens in 2 stages, first is with a constant current at the (typically) 1C charge rate (ie, a 1000 mah battery will initially charge at 1 amp) and when full voltage is reached (4.2v per cell) the charger switches to constant voltage and slowly ramps down the current until full charge is achieved. According to the cell manufacturers, following that process should result in longest battery life provided the rest of the usage recommendations are followed as well.