This is a high-performance replacement cellular battery for the Lg VS988 with tools, guaranteed to meet or exceed the OEM specifications of your original. The cellular battery has an output of 3.8 volts. The chemistry is LI-POL at 3000mAH capacity. Manufactured by Empire Scientific, model number BLP-1572-3. 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.