T420 NZ3 THINKPAD BATTERY CHARGING TEST POINTS ARE  IN THE BELOW MARKUP IMAGE:

                                                                                                                                             CHARGING CONTROLLER TEST POINTS 

OBSERVATION: ON NEW BATT:

12.38V PSU SHOWS  1938mA CHARGING GOOD

2.08V PIN NEAR GND ON BATT. TEMP

ONLY BATTERY MODE TEST VOLTAGES ARE AS:

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