10.8V, 4400mAh, Li-ion Battery fits Mechrevo, Mr X6, Mr X6-m, 47.52WhBattery Fits Models: Mr X6, Mr X6 m, Mr X6ti h, Mr X6ti m2, Mr X6ti m6, Mr x6ti, X6, X6 m, X6ti, X6ti e3, X6ti h, X6ti m2, X6ti m2 Pro, X6ti m6 Battery Part Numbers: 7550830 160201791, 7603830 161409927, Batrnfsv12 3100, Ge5sn 00 01 3s2p 1, Nfsv151x 00 03 3s2p 0 The products we supply will work for the device that it is provided for and is built to last as long as the battery that came installed originally. The battery shown will replace your original