Tigervivi High Performance New Laptop Battery for Apple MacBook Air 11" (2011 11-inch) A1370 A1406 020-7376-A 020-7377-A MC968 MC969 2ICP4/46/66-1 2ICP4/72/56-1 2ICP4/55/81-1 [Li-Polymer] 7.6V/39Wh Brand new | Batterie type: Li-ion / Li-polymer | Capacity:39Wh | Voltage: 7.6V. No memory and virtually no self-discharge for maximum productivity and less downtime 100% New from Manufacturer, High Performance 37Wh A1370 Replacement Battery. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety Warranty: 12 Months Warranty, 24 x 7 email support.