Battery type:Li-polymer Voltage:11.4V Capacity:52.5Wh/4605mAh Replacement for Part Number: AC14A8L 3ICP7/61/80 Compatible Laptop Models: For ACER Aspire V15 Nitro VN7-571 VN7-571G VN7-591 VN7-591G VN7-572G , ACER Aspire V17 Nitro VN7-791G Series Exclusive Offering of High Performance, Long Lasting, and Durable Grade A Cell Battery Reminder: 1. New replacement battery come with some power, please first discharge and then fully charge. 2. It is best not to completely drain the battery while charging. 3. Don't store the battery for too long without using. 4. Don't put the battery near the fire source to avoid personal safety.