This is a high-performance replacement cellular battery for the Lg OPTIMUS G2, guaranteed to meet or exceed the OEM specifications of your original. The cellular battery is 2.63 x 2.18 x 0.216 inches with an output of 3.8 volts. The chemistry is LI-POL at 3000mAH capacity. Manufactured by Empire Scientific, model number BLP-1386-3. 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.