Warranty: 12 months; Cells manufacturer: Green Cell; Voltage: 14.8V (14.4V); Number of cells: 3; Cells technology: Li-Polymer; Colour: Black; Overheat protection: Yes; Overdischarge protection: Yes; Overcharge protection: Yes; Product code: HP142ULTRA; Manufacturer: Green Cell; Surge protection: Yes; Capacity: 3400 mAh; Work time: from 2.5 up to 9h; Series: ULTRA; HP 255 G6;HP 14;HP 14G;HP 14Q;HP 14T;HP 14Z;HP 15;HP 15G;HP 15Q;HP 15T;HP 15Z;HP 17;HP 17G;HP 17Q;HP 17T;HP 17Z;HP 240 G6;HP 245 G6;HP 246 G6;HP 250 G6;