GreenBox Innovations New Laptop Battery for Apple A1278 A1280 (Macbook 13-Inch Late 2008 Aluminum Version) Aluminum Unibody MB467LL/A / MB466LL/A - 12 Month Warranty [Li-Polymer 6-cell 5000mAh / 54Wh] Battery type: Li-Polymer; Capacity: 5000mAh/54Wh; Cells: 6-cell; Voltage: 10.8V. Quality: Grade A cells ensure fast charges and low power consumption. Protection: Built-in circuit protection, overcharge protection, over voltage protection ensures both safety and stability. Safety: Worry-free, products are passed CE-/FCC-/RoHS-Certified. Origin: 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery.