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CR3032 battery

CR3032: 3 V lithium coin cell, 30 mm × 3.2 mm, about 500 mAh (1.5 Wh). Same battery: DL3032.

CR3032: what to know

• At 30 mm it is the widest common coin cell, with over twice the capacity of a CR2032.

CR3032 equivalents

DL3032

What uses a CR3032 battery?

• Some car keys and electronic locks
• Motherboards and industrial memory backup

Code: C = lithium, R = round, 30 = 30 mm wide, 32 = 3.2 mm thick.

30 mm coin cells are the size children swallow most; one can burn the throat in two hours. Keep spares sealed and battery doors taped.