SKYVAST 10.8V 59Wh A1185 Battery for Apple MacBook 13" A1185 A1181 MA561 MA561FE/A MA561G/A MA561J/A (Black) Type: Li-ion, Voltage: 10.8V, Capacity: 59Wh/5600mAh Fit with Apple MacBook 13" A1185 A1181 Operation time: Around 2 hours Warranty: 90 days money back, free exchange within 12 months Part numbers of compatible batteries and Computers are listed as following