CWK New Replacement Laptop Notebook Battery for Dell Inspiron 13z-N311z 14z-N411z 312-1257 312-1258 Latitude 3330 Dell Inspiron N311z N411z Vostro V131 268X5 JD41Y H2XW1 312-1257 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!