Battery system: Battery fixed installed, accessory type: Battery, battery capacity: 3 Ah, voltage: 4 V, capacity watt-hours: 12 Wh, battery type: Lithium-Ion (Li-Ion)
- Protection against overload, overheating, and overcharging
- Low self-discharge without memory effect
- Battery capacity: 3.0 Ah
- Battery charge level indicator
- Cell type: 18650
- Compatible with all 4 V USB battery power tools