(Secret: That charge/discharge cycle count is maintained by a small circuit in the pack. Plus, LiIon batteries can't stand going below a certain level of discharge, so if you're going to leave them off the charger, you still need to plug them in every so often, which adds to that charge/discharge cycle count. The best way to make them last longer is to keep the battery charge topped up as often as possible.
They do NOT need to be fully discharged & recharged in each cycle there is no chemical memory effect. Li-Ion batteries, which make up the vast majority of battery packs in electronic devices, have a life measured in discharge cycles. The charging circuitry will only provide charge if the battery needs it.Ģ. Leaving a device plugged in does NOT mean that you are continually providing power to the battery. There are two points I make when people ask me this:ġ.
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