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Battery sizes, specs and equivalents

Dimensions, voltage and the other names each size is sold under.

Lithium coin cells

BatterySize (mm)VoltageAlso sold as
CR102510 × 2.53 VDL1025
CR122012.5 × 23 VDL1220, ECR1220, 5012LC
CR122512.5 × 2.53 VDL1225, ECR1225
CR161616 × 1.63 VDL1616, ECR1616
CR162016 × 23 VDL1620, ECR1620, 5009LC
CR163216 × 3.23 VDL1632, ECR1632
CR201220 × 1.23 VDL2012
CR201620 × 1.63 VDL2016, ECR2016, 5000LC
CR202520 × 2.53 VDL2025, ECR2025, 5003LC
CR203220 × 3.23 VDL2032, ECR2032, KCR2032, 5004LC
CR243024.5 × 33 VDL2430, ECR2430, 5011LC
CR245024.5 × 53 VDL2450, ECR2450, 5029LC
CR247724.5 × 7.73 V

Button cells

BatterySize (mm)VoltageAlso sold as
LR417.9 × 3.61.5 VAG3, 192, 392 (silver-oxide version), SR41 (silver-oxide version)
LR4411.6 × 5.41.5 VA76, AG13, L1154, 303
SR626SW6.8 × 2.61.55 V377, AG4 (alkaline version)

Small cylindrical cells

BatterySize (mm)VoltageAlso sold as
23A10.3 × 28.512 VA23, MN21, V23GA, 8LR932
27A8 × 2812 VA27, MN27, 8LR732
CR123A17 × 34.53 V123, DL123A, EL123AP, CR17345
CR215.6 × 273 VDLCR2, EL1CR2