Detailed Product Description Color:Light Grey Type: Li-ion Voltage: 14.8V Capacity: 4400mAh Weight: 414g Size: 288.38*51.80*19.00 Compatible Battery Code:M7426,M7462,M7621 661-2391,661-2395 661-2436,M6392 Fit Machine Model:Apple M2453,iBook FireWire Series, Blueberry Series,iBook Clamshell,iBook iBook Graphite Series,iBook Indigo Series, iBook Lime Green Series,iBook Tangerine Series