Puredick&reg; New Laptop Battery for Apple for Apple Macbook 13 A1280 A1278 Macbook 13-inch Series Mb771g/a Mb467ll/a Mb466ll/a Mb466ch/a / Mb466d/a (2008 Version) - 12 Months Warranty [Li-ion 6-cell 10.8v 4200mah] Battery type: Li-ion; Capacity: 4200mAh/45Wh; Cells: 6-cell; Voltage: 10.8V. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. CE-/FCC-/RoHS certificated for safety,12 months warranty,professional technical support, efficient and always satisfied customer service 24 x 7 email support. Operation time:Same Battery life with Brand new original Apple battery. In reality, this will depend on the amount of electricity required by the device and how you use it