Superb Choice 9-cell DELL 451-10285 Laptop Battery <br /> <br />Type: Li-Ion Voltage: 11.1V Capacity:6600mAh;9 cells; <br /> <br />1 year replacement warranty,30-day refund guarantee after the purchase. <br /> <br />High capacity battery certified by CE and RoHS, This battery was tested and proven to match and/or exceed original specifications of DELL products <br /> <br />If your original battery is a 6-cell battery, this 9-cell battery has much higher capacity and works longer hours after each charge. However, it is bigger, heavier and sticks out due to the extra 3 cells. It will still fit in your laptop. <br /> <br />Replacement For: DELL 312-0373 UG679 312-0450 DH074 451-10351 451-10285 C9551 TC023 Y4493 312-0451 451-10284 RC107 Y9943 <br /> <br />Fit Machine Models: DELL Inspiron 630M 640M E1405 XPS M140 Series