Quote:
Originally Posted by davidfor
Longer answer:
Li-Ion batteries do not suffer from any memory affects like NiCads.
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Even NiCads don't suffer from "memory" issues like people think. The problem is that back when NiCad was the most popular rechargeable battery type, we didn't have "smart chargers" and built in protection circuitry like we have today, so it was very easy to overcharge and over-discharge a battery which would damage the cells and reduce their capacity. Ironically, it was the conventional wisdom that a NiCad should be drained completely before recharging that often caused rather than prevented the "memory effect".
Modern technology has solved all these problems, so it is always safe to "top off" the battery.