This is a high-performance replacement two-way battery for the Motorola MT1000, guaranteed to meet or exceed the OEM specifications of your original. The two-way battery is 3.38 x 1.39 x 2.64 inches. Manufactured by Empire Scientific, model number EPP-5447. 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.