This is a high-performance replacement two-way battery for the HYT TC500, guaranteed to meet or exceed the OEM specifications of your original. The two-way battery is 3.65 x 2.11 x 0.75 inches with an output of 6 volts. The chemistry is NiMH at 1300mAH capacity. Manufactured by Empire Scientific, model number BNH-BH1104. 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.