This is a high-performance replacement cordless battery for the Bell South 170, guaranteed to meet or exceed the OEM specifications of your original. The cordless battery is 1.99 x 1 x 0.53 inches with an output of 3.6 volts. The chemistry is NiCad at 170mAH capacity. Manufactured by Empire Scientific, model number CPB-405D. 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.