🪙 Coin/Button Cell Chart

Common coin and button cell batteries with specifications

ModelChemistryVoltageCapacityDiameter (mm)Height (mm)Common Use
CR2032Lithium3.0V225 mAh20.03.2CMOS, watches, key fobs
CR2025Lithium3.0V165 mAh20.02.5Remotes, calculators
CR2016Lithium3.0V90 mAh20.01.6Watches, thin remotes
CR2450Lithium3.0V620 mAh24.55.0Medical devices, sensors
CR1632Lithium3.0V140 mAh16.03.2Car remotes
CR1620Lithium3.0V78 mAh16.02.0Key fobs, small devices
CR1220Lithium3.0V40 mAh12.52.0Watches, small electronics
CR927Lithium3.0V30 mAh9.52.7LED throwies, small lights
LR44Alkaline1.5V150 mAh11.65.4Toys, calculators, lasers
SR44 (357)Silver Oxide1.55V175 mAh11.65.4Watches, meters
LR1130Alkaline1.5V70 mAh11.63.1Watches, thermometers
SR626SW (377)Silver Oxide1.55V28 mAh6.82.6Watches
SR621SW (364)Silver Oxide1.55V23 mAh6.82.1Watches
SR927W (399)Silver Oxide1.55V55 mAh9.52.7Watches
LR41 (392)Alkaline1.5V32 mAh7.93.6Thermometers, toys
CR2477Lithium3.0V1000 mAh24.57.7Industrial, IoT sensors
ML2032Li-ion (rechg)3.0V65 mAh20.03.2CMOS backup (rechargeable)
LIR2032Li-ion (rechg)3.6V40 mAh20.03.2Rechargeable replacement