Amsahr Replacement Battery for Apple 1321, MacBook Pro 15" models: A1286 (2009 Version), MB985/A, MB985CH/A, MB985J/A 18 Months Manufacturer Warranty, 100% Satisfaction Guaranteed. 100% Compatible Non-OEM : Lithium Ion (Li- ion) Long Life Battery: Rechargeable with No Memory Effect and Power Surge Protection. 4400 mAh, 11.1 Volts & 9 Cell Protective Retail Packaging, Each Product is Sealed with Anti-Static Shield Sleeve. Order replacement battery by identifying last working model battery to choose the correct connector. Some computers use A1382 & some use A1321. Battery SHARES common laptop and battery models with Apple A1382 - This battery does NOT replace Apple A1382. Replacement Laptop Battery for Apple 1321 Non-OEM Battery Long Life, Li-ion Battery Rechargeable with No Memory Effect and Power Surge Protection. Exclusive Offering of High Performance, Long Lasting. Durable Grade A Cell Battery.