Model Capacity Dimension Weight Current MAX Pulse Drain CR927 30mAh 9.5*2.7 0.8g 0.01mA 5mA CR1216 25mAh 12.5*1.6 0.7g 0.01mA 5mA CR1220 45mAh 12.5*2.0 0.9g 0.01mA 5mA CR1225 50mAh 12.5*2.5 1.0g 0.01mA 5mA CR1616 50mAh 16.0*1.6 1.2g 0.02mA 8mA CR1620 70mAh 16.0*2.0 1.3g 0.02mA 8mA CR2016 75mAh 20.0*1.6 1.8g 0.02mA 10mA CR2025 150mAh 20.0*2.5 2.5g 0.04mA 15mA CR2032 230mAh 20.0*3.0 3.0g 0.04mA 15mA CR2320 130mAh 23.0*2.0 3.0g 0.04mA 15mA CR2325 185mAh 23.0*2.5 3.0g 0.04mA 25mA CR2330 260mAh 23.0*3.0 4.0g 0.05mA 25mA CR2430 270mAh 24.5*3.0 4.2g 1.0mA 21mA CR2450 550mAh 24.5*5.0 6.2g 1.0mA 25mA CR2477 800mAh 24.5*7.7 7.0g 1.0mA 25mA Wide Applications: - watches, clocks, hearing aid, calculators, electronics, games, cameras, audio equipment, - data acquisition systems, electronics communication devices, indsutrial monitors / controls, switch board, transceivers and radios - medical equipment - remote keyless entry (key FOB), security devices - memory back up