SIKER New Black Replacement Li-ion Battery For Apple Macbook 13 Inch A1185, A1181, MA566,MA561 Battery Type: Li-ion, 6 cells, Voltage: 10.8V,Capacity: 59WH 100% New Manufacturer. To 500 charging cycles during the lifetime of the battery This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!! Features 100% Brand New battery , with 1 year warranty