This is a high-performance replacement two-way battery for the Kenwood TK5320, guaranteed to meet or exceed the OEM specifications of your original. The two-way battery is 4.1 x 2.29 x 0.68 inches with an output of 7.2 volts. The chemistry is Li-Ion at 1900mAH capacity. Manufactured by Empire Scientific, model number BLI-KNB47L. 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.