Warranty: 6 months; Cells manufacturer: Green Cell; Voltage: 10.8V (11.1V); Number of cells: 9; Cells technology: Li-Ion; Colour: Black; Overdischarge protection: Yes; Overcharge protection: Yes; Product code: BAT-TS21; Manufacturer: Green Cell; Size: 200x51x39mm; Weight: 460g; Capacity: 6600 mAh;