Puredick&reg; New Laptop Battery for Apple Macbook 13" A1185 A1181 MA254 MA255 MA472 MA561 MA699 MA700 MB061 Series - 12 Months Warranty[Li-Polymer 6cell 10.8V 5200mAh] Battery Type: Li-Polymer; Voltage: 10.8V; Capacity: 5200mAh; 6 Cell. 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