ATC Extended Battery Replacement for DELL Vostro 1710 1720(6-Cell Equivalent) Replace PN:DELL 312-0740 312-0894 451-10611 312-0741 451-10612 P721C P722C T117C T118C P726C [10.8V 5200mAh]
Safety & Excellence Features: * No memory effect, fast charge* Low power consumption IC design* Fully compatible with the original laptops (models listed below)* Tested with strict quality control standards* Over-charge protection * Over-discharge protection * Over-heat protection * Over-current protection * Short-circuit protection * High capacity circulatory function Compatible with These Original Part Numbers:  312-0740, 312-0894, 451-10611, P721C, P722C, T117CFits Machine Models: Vostro 1710, Vostro 1720Please make sure that the battery part numbers listed in the description matches the battery part number on your original battery before you purchase.