Weight & dimensions Diameter: 1.65 cm Height: 34 mm
Battery Battery technology: Lithium-Ion (Li-Ion) Number of batteries included: 1 pc(s) Battery voltage: 3.7 V Battery type: Rechargeable battery Battery capacity: 850 mAh
Safety warning Warnings: Avoid contact of battery contents with eyes and skin. After accidental contact, rinse thoroughly with water and contact a doctor., Do not expose rechargeable batteries to direct heat., Do not dispose of used rechargeable batteries in the regular waste bin.