Compatible Part Number: AS16A5K 4ICR19/66 AS16A7K AS16A8K KT.00405.001 KT.00407.004 KT.0040G.007 KT.00605.002 Compatible Models: AS16A5K Battery for Acer Aspire E15 E5-475 E5-475G E5-523 E5-523G E5-553 E5-553G E5-575 E5-575G E5-575T E5-575TG E5-576 E5-576G E5-774 E5-774G Series E5-575G-30ZJ E5-575G-3561 E5-575G-50CB E5-575G-50QS E5-575G-513W E5-575G-52DD E5-575G-52NP E5-575G-534D E5-575G-53B8 E5-575G-54TU E5-575G-54XH E5-575G-55NS E5-575G-55S7 E5-575G-56ED E5-575G-56GU E5-575G-56KS E5-575G-56WG E5-575G-58TF E5-575G-58UJ E5-575G-59EE E5-575G-59GV E5-575G-765N E5-575G-76YK E5-575G-78GH Quality and Certification:Our AS16A5K Battery is highly compatible with the original Acer AS16A5K Battery and meets CE/FCC/ROHS/UL certified standards. It is a brand-new product from the manufacturer and supports up to 1000 recharge cycles.