This is a high-performance replacement cordless battery for the G.E. 2266728, guaranteed to meet or exceed the OEM specifications of your original. The cordless battery is 1.6 x 1.16 x 0.17 inches with an output of 3.7 volts. The chemistry is Li-Pol at 500mAH capacity. Manufactured by Empire Scientific, model number CPP-524Z3. 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.