This is a high-performance replacement video battery for the Canon NP-E2, guaranteed to meet or exceed the OEM specifications of your original. The video battery is 5.1 x 2.2 x 1.1 inches with an output of 12 volts. The chemistry is NiMH at 1500mAH capacity. Manufactured by Empire Scientific, model number BNH-369. We offer a 1 Year Warranty with purchase. See this product elsewhere at a lower price? Call or email us; we have a Price Match Guarantee.