This is a high-performance replacement two-way battery for the M/A-COM KPC 400, guaranteed to meet or exceed the OEM specifications of your original. The two-way battery is 3.8 x 2.51 x 0.81 inches with an output of 7.5 volts. The chemistry is NI-CD at 1500mAH capacity. Manufactured by Empire Scientific, model number EP191203/2. 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.