CWK New Replacement Laptop Notebook Battery for Dell Vostro 1710 1720 T118C T117C P72P722C 312-0894 312-0740 312-0894 451-10611 P721C T117C 312-0740 312-0741 P721C P72T117C T118C Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 11.1 Volt (10.8 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!