This is a high-performance replacement vacuum battery for the Euro Pro Shark SV800, guaranteed to meet or exceed the OEM specifications of your original. The vacuum battery is 7.63 x 2.67 x 2.28 inches with an output of 10.8 volts. The chemistry is NIMH at 3000mAH capacity. Manufactured by Empire Scientific, model number VNH-107. 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.