Lenovo L17M6P71,L17C6P71,L17L6P71 / 01AV470 /X280 LAPTOP BATTERY Capacity: 48 Wh Voltage: 11.4V (compatible with 11.46V) Battery Type: Lithium-Polymer (Li-Po) Compatible with X280 series ,X280 AHK, X280 CHK , X280(20KF000RCD) X280(20KFA000CD), X280(20KFA008CD) ,X280(20KFA009CD), X280(20KFA00BCD) X280(20KFA01PCD), X280(2CCD), X280(2ECD), X280-20KES01S0 X280-20KES01S00,A285 3 Cell Laptop Battery