This is a high-performance replacement remote control battery for the Philips PRONTO TSU-9600, guaranteed to meet or exceed the OEM specifications of your original. The remote control battery is 2.58 x 0.722 x 0.722 inches with an output of 3.7 volts. The chemistry is Li-Ion at 2200mAH capacity. Manufactured by Empire Scientific, model number RLI-016-2.2. 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.