LiFe receiver rack from Vapex. Nominal voltage 6.6V and 1600 mAh capacity. Fits in, among other things, all XRAY's 1/8 off-road cars. Also suitable as a transmitter battery for the Futaba 4PX radio! Battery: 2S / 6.6V LiPo 6.6V Capacity: 1000 mAh Charging: Max 0.5A (0.5C) max 7.7V Discharge: Max 3A (3C) continuously Volt cut-off: 4.0V Size: 53.5 x 31.5 x 16.9mm Weight: approx. 47.1 g