Replaces OEM # AP15O5L, KT.00305.001, KT.00305.003, KT.00305.007, KT.00305.008 Fits: ACER S13 S5-371, S13 S5-371T, S13-S5-371T-5409, S5-371-5018, S5-371-50E5, S5-371-52JR, S5-371-52UK, S5-371-53NX, S5-371-55AH, S5-371-563C, S5-371-5693, S5-371-56VE, S5-371-572Z, S5-371-5744, S5-371-57SX, S5-371-597C, S5-371-70P9, S5-371-71QZ, S5-371-7278, S5-371-72W0, S5-371-74YU, S5-371-757T, S5-371-767P, S5-371-76GS, S5-371-76H0, S5-371-76WD, S5-371T-35PD, S5-371T-51NS, S5-371T-51RV, S5-371T-52YV, S5-371T-537V, S5-371T-57WW, S5-371T-58CC, S5-371T-58CN, S5-371T-70CB, S5-371T-72KV, S5-371T-76CY, S5-371T-76UX, S5-371T-78QF, S5-371T-78TA, R13 CB5-312T , CB5-312T-K95W, CB5-312T-K0YK, CB5-312T-K5G1, CB5-3127-312T, CB5-312T-K09Y Specs: 11.55V, 53.9WH, 4670MAH, 3 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