SLODA New Laptop Battery for Apple A1281 A1286 Macbook Pro 15" Aluminum Unibody (2008 Version) - 12 Months Warranty [Li-ion 6-cell 5000mAh] Battery type: Li-ion; Capacity: 5000mAh; Cells: 6-cell; Voltage: 10.8V. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. CE-/FCC-/RoHS-Certified for safety. 24 x 7 email support, 8-hr x 5-weekday call support. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. Operation time for standard battery(6-cell, 5000mah)(Note: The actual operation time depends on how much electricity is required by the device and how you use the battery.)