Superb Choice New Laptop Replacement Battery for APPLE MacBook 13" A1278 MacBook 13" Aluminum Unibody Series(2008 Version) MacBook 13" MB466*/A MacBook 13" MB466CH/A MacBook 13" MB466J/A MacBook 13" MB466LL/A MacBook 13" MB466X/A MacBook 13" MB467*/A MacBook 13" MB467CH/A MacBook 13" MB467J/A MacBook 13" MB467LL/A MacBook 13" MB467X/A;45 Wh; 6 cells Type: Li-Ion Voltage: 10.8v Capacity: 45 Wh; 6 cells; 1 year replacement warranty,30-day refund guarantee after the purchase. High Capacity Replacement battery High capacity battery certified by CE and RoHS, This battery was tested and proven to match and/or exceed original specifications of APPLE products. Each Superb Choice battery was tested at an original laptop by the manufacturer.