ANTIEE Compatible AC14B8K 4ICP5/57/80 Battery Replacement for Acer Aspire ES1-111 E3-111 ES1-512 ES1-511 V3-111 E5-771 E3-112 ES1-311 Acer Chromebook 15 C910 11 CB3-111 13 CB5-311 cb5-571-c1dz Antiee promise: Each product has undergone rigorous testing to ensure the correct voltage, circuit protection, capacity, stable current, low self-discharge and guaranteed battery life. Condition: Brand New. 100% compatible with the originals and more than 500 recharge cycles over the life. Battery Type: li-ion. Voltage: 15.2V. Capacity: 48Wh. Replace Part Number: AC14B8K, KT.0040G.004, KT0030G.004, 4ICP5/57/80. Fit for: Acer Aspire ES1-531,R7-371T, V5-122, V5-122P, V5-132, E3-112M, V3-371, ES1-111M etc.; Gateway NE512; Acer Chromebook 11 13 15 Series; Swift SF314-51. (More detail on the description page.) Expected run time: 2.5-4 hours. It depends on the device type, electricity and the way it is used.As fast as possible charging time and full usage time bring more convenient to your work. Full 12 months of warranty + 30 days money back + Repair or replace during the first 90 days! If for whatever reason you are not fully satisfied, please contact us and well help to resolve.