Lenovo 3000 C100 Hardware Maintenance Manual page 32

Checkout guide
3. If the voltage is less than +11.0 V dc, the battery pack has been discharged.
4. If the voltage is more than +11.0 V dc, measure the resistance between battery
28
MT 0761
7(-)
6
5
4
3
2
1(+)
Note: Recharging will take at least 3 hours, even if the indicator does not turn
on.
If the voltage is still less than +11.0 V dc after recharging, replace the battery.
terminals 4 and 7. The resistance must be 4 to 30 K .
If the resistance is not correct, replace the battery pack. If the resistance is
correct, replace the system board.
Terminal Voltage (V dc)
1 + 0 to + 16.8
7 Ground (−)