Laptop battery Dell M1330 4 Cells 14.8V 2200mAh/33Wh, compatible partnumbers: UM230, PU556, CR036, TT485 312-0566, 0CR036, PU556, WR053, 0WR053, 312-0567, PU563, fit models: DELL XPS M1330 inspiron 1318 High Quality Laptop Battery 4 Cells, Li-ion, 14.8V 2200mAh/33Wh - Black 1 Year warranty