GP Electronic Device batteries supply power to a wide range of small electronic devices, from calculators, toys and keyless entry systems to electronic books. They are all powered by small but powerful button cells manufactured by GP Batteries More information: Other features | Battery form factor | Button/coin | Battery | Battery type | Single-use battery |  | Battery size(s) | CR2430 |  | Battery technology | Lithium |  | Battery voltage | 3 V |  | Number of batteries included | 5 pc(s) |  | Battery capacity | 300 mAh | Weight & dimensions | Height | 3 mm |  | Diameter | 24.5 mm |
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