This is a high-performance replacement two-way battery for the E.F. Johnson FALCON 7510, guaranteed to meet or exceed the OEM specifications of your original. The two-way battery is 5.25 x 2.28 x 0.68 inches with an output of 9.6 volts. The chemistry is NiMH at 1600mAH capacity. Manufactured by Empire Scientific, model number BNH-BP196. 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.