Specification: 1)Type: Li -ion 2)Voltage: 14.8V Capacity:4400MAH 3)Replacement original battery model: 661-2391, 661-2395, 661-2436, M6392, M7426, 　　M7462G, M7462G/A, M7462GA, M7621, M7621G, 　　M7621G/A, M7621G/B, M7621GA 4)For original brand laptop: Apple iBook Clamshell, 　　Apple iBook M2453, 　　Apple iBook 1999 model, 　　Apple iBook 2000 model 　　Apple iBook Blueberry Series, 　　Apple iBook FireWire Series, 　　Apple iBook Graphite Series, 　　Apple iBook Indigo Series, 　　Apple iBook Lime Green Series 　　Apple iBook Tangerine Series 　　 M7721LL/A, M7720LL/A 5)Dimension:288.38 x 51.80 x 19.00 mm 6)Color: French Grey　　　　 7)No memory effect 8)Both OEM and ODM are welcomed 9)Guarantee: 6-12months