Battpit&trade; Laptop/Notebook Battery Replacement for Compaq 330935-001 (4400 mAh) Type: 14.4 Volt Li-ion Laptop Battery Capacity: 4400 mAh Condition: New 30-Day Money Back Guarantee. 1 Year Warranty This is a genuine Battpit&trade; product comes with 1 year warranty. Beware of imitation (Battpit&trade; bears no responsibility on the imitation product purchased.)! This battery is NOT compatible with the Ni-Mh (9.6V) version.