Battery type: Li-ion; Capacity: 45WH ; Voltage: 11.4V Compatible Part Number: AP13J3K AP13J4K Compatible Models: for Acer Chromebook 11.6" C720P, , C720P-2666, C720P-2834, C720P-2664, C720P-2625, C720P-2485, C720P-2657, C720P-2600, C720P-2661, C720P-2677, C720P-2848, C720P-2457, C720, C720-2800, C720-2848, C720-2653, C720-2844, C720-2802, C720-2103, C720-2420, C720-2832, C720-2827, C720-2697, C720-3404, C720-3605, C720-3871, C720-3445, C720-2482, C720-29552G01aii Series, Acer ChromeBook 11 C740, C740-C3P1, C740-C4PE, C740-C5U9, C740-C32M. Aluo new high-quality batteries, 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. 24 x 7 Email support ,30 Days Refund ,12-month Replacement ,for our product Please contact us with any questions or concerns - we are here to help! We focus on providing quality power products and excellent customer serice