CR2 lithium battery 1)Nominal voltage: 3.0V 2)Nominal capacity: 750mAh 3) ... Application: Electronic (Water, Gas) Meter, PLC memory backup, alarm & Security system, Measuring appliance Model SizeNominal Voltage (V)Nominal capacity (mAh)End ... .018.5 ×65.5102000300045CR26500C3V50002.026.2× 50.0102000 .... li ion battery Lithi 3V160-5000mah Electronic (Water, Gas) Meter, PLC memory backup ...