A31-X15 Replacement Battery for Machenike F117-XR36 50WhBattery Type: Li-ion, Battery Volt: 11.55V , Capacity: 4350mAh (50Wh), Battery Color: Black, Condition: 100% New, Warranty: 12 monthsCompatible Part Numbers:A31-X15Fits the Following Models:For Machenike F117-XR36, Machenike F117