Saleaps A1466 BatteryBattery Type: Li-Polymer; Capacity: 55Wh/ 7200mAh; Voltage: 7.6V; 4 Cells. 100% New battery from manufacturer. The manufacturing standards and testing standard are 100% same as those of the original battery supplier. High-quality Cells Battery was made of top Imported chips quality material. Equipped with grade A battery cells to ensure fast charges and low power consumption.Pure copper interface, resistance is reduced by 50% to prevent power loss. Safe & Durablemore than 500 recharge cycles. Batterys life can reach 3-5 years. Each battery has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety. Good CompatibleFor MacBook air 13 MC503LL/A, MC504LL/A, MC504LL/A, MC965LL/A, MC966LL/A, MD231LL/A, MD232LL/A, MD760LL/A, MD761LL/A, MD760LL/B, MD761LL/B, MJVE2LL/A, MJVG2LL/A. EMC Applicable number: 2469, 2559, 2392, 2632, 2925, 3178.