GPK Systems Car Charger for Acer Aspire 4520 4530 4730 5000 5050 5100 5315 5335 5570 5580 5720 Notebook Computer Battery Charger Power Supply Cord Plug Dc Adapter Input: DC 11V - 16V Output: 19V 3.42A Power: 65 Watt Service & Support: 1 year warranty Use minimal power: this adapter is designed to save energy Designed exclusively for use with the laptops 100% compatibility with the original