Replaces OEM # AC14B7K, AC14B18J, KT.0040G.004, KT.0030G.004, AC14B3K, AC14B8K, NP.ADT0A.025 Fits: ACER CB3-111, CB3-111-C8UB, CB3-531, CB5-311, CB5-571, C810, C910, 2508, 2519, B115-M, B115-MP, B116-M, B116-MP, B117-M, B117-MP, P236-M, P238-M, V3-371, V3-111P, V5-122, V5-132, V5-122P, V5-132P, E3-111, E3-112, E3-112M, ES1-111, ES1-111M, ES1-131, ES1-311, ES1-331, ES1-511, ES1-512, ES1-520, ES1-521, ES1-531, ES1-731, ES1-731G, E5-771, E5-771G, R3-131T, R5-431T, R5-471T, R7-371T, R7-372T Specs: 15.28V, 50.7WH, 3318MAH, 4 CELL Brand New GreenTech replacement battery - 6 Month Replacement Warranty Each product has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety