AC Doctor INC 5200mAh 11.1V Replacement for Dell Latitude 630m 640m laptop battery Inspiron E1405 UG679 C9551 RC107 Y9943 312-0373 Replacement for Dell Inspiron 630M Inspiron 640M XPS M140 Series Inspiron E1405 laptop battery dell 312-0373 UG679 312-0450 DH074 451-10351 451-10285 C9551 TC023 Y4493 312-0451 451-10284 RC107 Y9943 5200mAh 11.1V 206.70x49.00x23.80mm 307.5g. Full compatible with your original battery, brand new direct from Professional Manufacturer. 10.8V and 11.1V is compatible, 14.4V and 14.8V is also compatible. CE UL RoHS certified, safe use. 60 days no worry to return or exchange item, 12 months customer service warranty, US local dispatch. Please Note: Please make sure that the product shape of slot and gap are the same size. The battery part numbers listed in the description matches the battery part number on your original battery before you purchase.