Apple Original Battery Pack
Specification Chemistry Li-Polymer Volts 10.8 Volts Amp Hours 4.2 or 4200 mAH Watt Hours 45 Wh Color Grey Description Rectangular shape notebook battery with slit type contact on the side. Dimensions 8.24 x 3.09 x 0.43 Performance 100% Compatibility Guaranteed Warranty / Service / Support New with 1 Year Warranty