This is a high-performance replacement two-way battery for the Kenwood TK3130, guaranteed to meet or exceed the OEM specifications of your original. The two-way battery is 2.03 x 1.82 x 0.57 inches with an output of 3.6 volts. The chemistry is NIMH at 1500mAH capacity. Manufactured by Empire Scientific, model number BNH-KNB27. 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.