This is a high-performance replacement video battery for the Panasonic PV-BP15 , guaranteed to meet or exceed the OEM specifications of your original. The video battery is 3.51 x 1.85 x 1.8 inches with an output of 6 volts. The chemistry is NiMh at 4000mAH capacity. Manufactured by Empire Scientific, model number EPP-159-4. 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.