Description: Apple battery for iBook G3 12in Clamshell Model: M7426 M6392 Rating: 14.4v, 4000mAh Compatability: -- iBook G3 12in (Clamshell/coloured) 300/366/466Mhz Apple part number(s): 661-2391, 661-2395, 661-2436, 825-4585-A, 825-5360-A Apple description: Battery, Li-ion