L17C4PH1 L17M4PH1 L17M4PH2 L17L4PH2 Battery for 7 Pro Pro-13IKB C930 C930-13 C930-13IK C930-13IKB C930-131KB C930-13IKB 81C4 Series Notebook 5B10Q82425 5B10Q82426 5B10Q82427 60Wh 7820mAh