Li-ion, 11.1V, 6600mAh

Replace:

255-3S6600-S2M1, 3S6600-S1S1-02

Fits Models:

Uniwill 245, 255, 259 Series

Fujitsu-Siemens A1640, A7640, M1405, M1424, M1425, M7405, M7424 , M7425, Pro V2020 Series 

Winbook V300 Series