Hi-Capacity Li-ion Battery [4400mAh 8 Cells] for Apple PowerBook G4 (15 Titanium/15.2 TFT Screen/DVI/Gigabit Ethernet/Titanium) M7710LL/A M7952LL/A M8511 M8591/A M8591B/A M8591J/A M8591LL/A M8591X/A M8591T/A M8858LL/A M8 Series Fits A1012 M6091 M8244 M8244G M8244GA M8244G/A M8244GB M8244G/B M8511 Laptop Notebook Main Battery" " Batteries are in high grade quality and certified by CE and RoHS Voltage(V):14.4.Capacity(mAh): 4400. P/N AE8858LH Colour:sliver.Type: Li-ion.Dimension (mm):115.7*111.5*19.0. N.M.(g):397 Replacement For:616-0132 616-0133 616-0139 616-0151 661-2441 661-2561 A1012 M6091 M8244 M8244G... Fit Machine Models: APPLE PowerBook G4 Series 15-inch Titanium/15.2" TFT Screen/DVI/Gigabit Ethernet