Description: Capacity: 5400mAh;Voltage: 7.4V / 7.6V;Number of cells: 4;Cells technology: Li-Polymer;Warranty: 12 months;Cells manufacturer: Greencell;Overheat protection: Yes;Surge protection: Yes;Colour: Black;Overdischarge protection: Yes;Overcharge protection: Yes;The possibility of return: Up to 30 days;Product code: DE103;Manufacturer: Greencell;Work time: from 2 up to 8h;Series: Polymer