> eh.. Why do manufacturers speak mAh instead of watts?? Neither amp-hours nor watts measure energy. Watts measure power, which is irrelevant for a laptop batt

> eh.. Why do manufacturers speak mAh instead of watts?? Neither amp-hours nor watts measure energy. Watts measure power, which is irrelevant for a laptop battery, and amp-hours measure nothing unless you know the battery voltage. The spec for a battery should be in joules or watt-hours.