Quote:
Originally Posted by Plastic
The memory effect, even on NiCd batteries, is a bit of a myth. It only affects cells that are charged and discharged to exactly the same point many times. That's not something that happens with any typical use pattern of a laptop battery.
Provided you don't leave a rechargeable battery in a discharged state for a long time, your likely to get just as much lifespan out of a battery by topping up as you would by fully discharging and recharging every time.
In other words - don't worry about... just use it as is convenient. It'll wear out whatever you do.
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Exactly, the heat from your laptop is going to degrade the battery much more than deep charging will (charging a lithium battery leaves deposits in the electrolyte which reduces it's capacity, hence why top ups are better than deep charges).