This is a high-performance replacement cellular battery for the Lg COSMOS III, guaranteed to meet or exceed the OEM specifications of your original. The cellular battery is 2.09 x 1.35 x 0.185 inches. Manufactured by Empire Scientific, model number BLI-1178-.7. 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.