Topcon BT-31QB 111C Replacement Battery 7.2V 1400mAh Warranty:Warranty 3 Year check resting voltage with a

check resting voltage with a multimeter — a reading below 7

and 1908C-B all cross to this pack

First-use alkaline conditioning: Alkaline packs ship at storage voltage

In-stock orders typically ship within 24 hours so you can restore protection promptly

maintenance-free experience that resists leakage and reduces upkeep

Topcon BT-31QB 111C Replacement Battery 7.2V 1400mAh Warranty:Warranty 3 Year check resting voltage with aTopcon 111C 101C Series 7. 2V Ni Cd Replacement Battery (BT 31QB) This is a 7. 2V, 1400mAh Ni Cd replacement battery for the Topcon 111C, 101C, DL 100, and DL 101C surveying instruments. It fits the same bay as the original BT 31QB and BT 31Q packs. Voltage and capacity match OEM spec exactly no modifications needed to the instrument. 111C and DL 100 series fit: These models share the same 7. 2V battery bay, connector pinout, and BMS handshake