Battery Size Chart

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Battery Size Chart

🔋 Battery Size Chart

Common battery types with voltage, capacity, and physical dimensions

Type	Chemistry	Voltage	Capacity (typ)	Diameter (mm)	Height (mm)	IEC Name
AAA	Alkaline	1.5V	1200 mAh	10.5	44.5	LR03
AA	Alkaline	1.5V	2800 mAh	14.5	50.5	LR6
C	Alkaline	1.5V	8000 mAh	26.2	50.0	LR14
D	Alkaline	1.5V	12000 mAh	34.2	61.5	LR20
9V	Alkaline	9V	565 mAh	26.5×17.5	48.5	6LR61
AAAA	Alkaline	1.5V	625 mAh	8.3	42.5	LR8D425
CR2032	Lithium	3V	225 mAh	20.0	3.2	CR2032
CR2025	Lithium	3V	165 mAh	20.0	2.5	CR2025
CR2016	Lithium	3V	90 mAh	20.0	1.6	CR2016
CR123A	Lithium	3V	1500 mAh	17.0	34.5	CR17345
LR44	Alkaline	1.5V	150 mAh	11.6	5.4	LR44
SR44	Silver Oxide	1.55V	175 mAh	11.6	5.4	SR44
18650	Li-ion	3.7V	2600 mAh	18.6	65.2	—
21700	Li-ion	3.7V	5000 mAh	21.0	70.0	—
14500	Li-ion	3.7V	900 mAh	14.2	50.0	—
26650	Li-ion	3.7V	5000 mAh	26.5	65.4	—
AAA NiMH	NiMH	1.2V	1000 mAh	10.5	44.5	HR03
AA NiMH	NiMH	1.2V	2500 mAh	14.5	50.5	HR6
6V Lantern	Alkaline	6V	26000 mAh	67×67	115	4LR25
A23	Alkaline	12V	55 mAh	10.3	28.5	8LR932

Battery Size Chart is a free online calculator tool. Use it to get instant, accurate results for your electronics calculations.