1,We offer Replacement Notebook Battery Pack,
1) CE, RoHS & ISO14000:2004 certificate, high safety.
2) A Grade cells, high quality with reasonable price.
3) One year warranty, considerate pre-sale& after sale service
4) Over 200 Notebook Battery models

2, Replacement Notebook Battery Pack for Apple M6392 Specifications
1) Notebook Battery type
18650*8,Light gray,Li-ion,14.8V,4400mAh,288.38x51.80x19.00mm	,384g		

2) Replacement for Notebook Models: 
APPLE : 
iBook 1999 MODEL iBook 2000 MODEL iBook Blueberry Series 
iBook CLAMSHELL iBook FireWire Series iBook G3 12 M7720LL/A 
iBook G3 12 M7721LL/A iBook Graphite Series iBook Indigo Series 
iBook Lime Green Series iBook M2453 iBook Tangerine Series 
M2453 iBook  PowerBook G4 12 M8760LL/A 

3) Compatible Notebook Battery P/N:
661-2391 661-2395 661-2436 M6392 M7426 M7462G M7462GA M7462G/A 
M7621 M7621G M7621GA M7621G/A M7621GB M7621G/B


[Replacement Notebook Battery Pack for Apple M6392 Details]