1 Hardware Overview 1.5 Power Supply
1-16 Satellite A80 Series Maintenance Manual
? The quick charging ON/OFF
? The detection of full charge
8. Detection of the low battery
The EC detects the low battery point by the gas gauge.
? LB10M= The system will be driven by the battery for 12 more minutes.
? LB0 = The battery won't be able to drive the system after 3 minutes.
? LB1 = The battery can drive the system only during the suspend process.
? LB2 = The battery cannot drive the system.
9. New battery installation
When a new battery is installed, the EC communicates with the E
2
PROM in the battery to
read information of the newly installed battery.
10. Battery capacity calculation
The EC reads battery remaining and percentage capacity from the battery through SMBus.
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