This is a high-performance replacement cellular battery for the Sanyo SCP3100, guaranteed to meet or exceed the OEM specifications of your original. The cellular battery is 1.79 x 2.87 x 0.49 inches with an output of 3.7 volts. The chemistry is Li-Ion at 1400mAH capacity. Manufactured by Empire Scientific, model number BLI-966-1.4PI. 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.