BTI Battery - Compatible OEM PK03XL 789116-005 PK03056XL-PL Compatible Model PRO X360 G1 PRO X360 G2 13-4001na 13-4050na 13-4104na 13-4105ns 13-4129na X360 13-4001 X360 13-4001DX x360 13-4001TU X360 13-4002DX x360 13-4002TU X360 13-4003DX x360 13-4003TU x