Voltage: 7.7V. Capacity: 37Wh/ 4810mAh/4-cell. Battery Type: Li-ion. Condition: Brand new. Compatible Models:Acer Aspire 1 A114-31 A114-32 A114-31-C4HH A114-32-C0PM series, Acer Aspire 3 A314-21 A314-31 A314-31 A314-32 A314-41 A315-21 A315-21G A315-31 A315-32 A315-33 A315-41 A315-51 A315-53 A315-53G series, Acer Aspire 3 A315-21-4098 A315-21-95KF A315-21-90LC A315-21-92FX A315-21-47B4 A114-32-C1YA A315-51-31RD A315-53-33n7 A315-41-R3RF A315-51-51SL A315-51-380T A315-51-31RD A315-51-33VK A315-51-582F series. Part number:AP16M5J/KT.00205.004/KT00205004/KT.00205.005/KT00205005/2ICP4/80/104. Our After-sales:We support 12 months of warranty, 30 days money back, 24 x 7 email support. As you begin to use the product, any questions you can contact with us via "Your Orders" tab in your account, we will respond within 24 hours. Know before orders: In order to avoid choosing the wrong model, please check your computer model carefully before placing an order, thank you very much