Summary
Q: When I lost power last weekend, my six-year-old laptop shut down abruptly, even though its battery supposedly had a full charge good for three hours. Does the battery have a problem?
A: Yes. The lithium-ion batteries in most laptops lose a little capacity after each charge/discharge cycle.See the full content of this document
Extract
Laptop's Batteries Lose Power
How much?
Hewlett-Packard estimates that its models will drop to 80 percent ...See the full content of this document
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