Laptop battery Dell Mini 9 4 Cells 14.8V 2200mAh/33wh, compatible partnumbers: D044H, W953G, 312-0831, fit models: Dell Inspiron Mini 9 Series, Inspiron Mini 9n, Inspiron Mini 910, Vostro A90 High Quality Laptop Battery 4 Cells, Li-ion, 14.8V 2200mAh/33wh - Black 1 Year warranty