AC15A3J  36Wh battery for Acer Chromebook 11 CB3-131 C735 C735-C7Y9 R11 C738T -  Compatible Part Numbers: AC15A3J, AC15A8J, KT.00303.017 - Battery Type: Li-ion, Battery Volt: 10.8V, Capacity: 36WH, Battery Color: Black, Condition: 100% New, Warranty: 12 m