IBM ThinkPad 340 Series

2. Remove the battery pack and measure the voltage
between battery terminals 1 (+) and 4 (−). See the
following figure.
Ni-MH Battery Pack
(T)
Storage Switch
Terminal Voltage (V dc) / Signal
1 +8.0 to +16.0
2 Send
3 Thermal
4 Ground (−)
5 NC
6 NC
7 NC
400 IBM Mobile Systems HMM