ETpower&reg; New Laptop Battery for Apple MacBook A1280 A1278 13" Series 2008 Version (Li-Polymer 6-cell 5000mAh) Battery Type:Li-Polymer;Voltage:10.8V;Capacity:5000mAh;6 Cell 100% New from Manufacturer, High Performance 5000mAh A1280 A1278 Replacement Battery. All battery were tested and proven to match and/or exceed original specifications of products. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety Warranty: 1 year warranty, 30 days money return guarantee,24 x 7 email support.