GoodFixer replacement battery Compatible with iPad 5 Generation/iPad Air 1st gen(A1474,A1475,A1476,A1822,A1823), support all versions Wi-Fi and Cellular.UN38.3,MSDS, ROHS and CE Certificated, Grade A+ 3.73V, 8827mAh, 32.9Whr Lithium polymer battery cells, ensure longer battery life and Brand new 0 Cycle.Be careful, using a hairdryer or a heat gun to heat the frame when you open your iPad, or you may damage the screen.Before resealing your iPad, test the battery with the original data cable and charger (support 5V, 2.1A).After the battery installed inside iPad, we suggest you full charge 100% and use the power to about 2% three times, then the battery will become more efficient.If your iPad can't start, check the LCD cable and battery cable, connect the original data cable; check whether the iPad is charging, if charging, reseal iPad.GoodFixer offers 365 DAYS Warranty