"Rechargeable battery unit (including lithium-ion battery) Suitable for:QL-810W and QL-820NWBLithium-ion rechargeable batterySize: approx.
125 (W) x 197 (D) x 69 (H) mmWeight: approx.
0.59 kgVoltage: 14.4 VCapacity: 1750 mAhCharge/discharge cycle: approx.
300 timesCharging time: approx.
2.5 hours"