Amsahr Replacement Battery for Apple MacBook 1237, Apple MB003, MB003J/A, MB003LL/A, MB003TA/A, &nbsp; MB003X/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. 37 Wh, 7.2 Volts & 4 Cell Protective Retail Packaging, Each Product is Sealed with Anti-Static Shield Sleeve. Exclusive Offering of High Performance, Long Lasting, and Durable Grade A Cell Battery 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 37WH, 7.2 Volts & 4 Cell Protective Retail Packaging, Each Product is Sealed with Anti-Static Shield Sleeve Replacement Laptop Battery for Apple A1237 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.