This is a high-performance replacement laptop battery for the Sony VAIO PCG-717C, guaranteed to meet or exceed the OEM specifications of your original. The laptop battery is 5.69 x 3.04 x 0.74 inches with an output of 14.8 volts. The chemistry is Li-Ion at 3000mAH capacity. Manufactured by Empire Scientific, model number LTLI-9023-3.0. 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.