PowerMoxie&reg; 24 Month Warranty Lion Battery for Motorola BT51. Fits W385 Q9M KRZR K1M RIZR Z6TV C168i C290 2 Year Warranty Tested & Passed Strict Quality Control Standards Grade A Cells Ensure Longer Battery Life (550+ cycles) and High-Speed, Efficient Charging Voltage: 3.8V Capacity: 2600mAh SNN5814A