GPK Systems&reg; Car Adapter for Acer Aspire E5-471P-56RF E5-731-P3ZW E5-721-625Z E5-721-66XJ E5-721-62XN E5-521-64BT E5-771G-75TV E5-771G-51T2 E5-771-378Y E5-771-37GD E5-721-61WP E5-731-P30W ES1-411-C1P2 ES1-511-C0DV ES1-511-C0M4 ES1-511-C59V ES1-511-C590 ES1-511-C665 ES1-511-P1T9 ES1-512-25TP ES1-512-C88M ES1-512-C323 ES1-512-C685 ES1-512-P9GT ES1-512-P84G ES1-711-C7TL ES1-711-P1UV ES1-711-P3YR E5-411-P32N E5-411-P137 E5-411G-P717 E5-421G-88JF E5-471-52TW E5-471-52VZ E5-471-59RT Input: DC 11V - 16V Output:19V 3.42A 65Watt Service & Support 1 year warranty Products are CE/FCC/RoHS certified, tested by manufacturer to match and/or exceed specifications of OEM products. Designed exclusively for use with the laptops 100% compatibility with the original.