This is a high-performance replacement tablet battery for the ARCHOS 501500, guaranteed to meet or exceed the OEM specifications of your original. The tablet battery is 5.05 x 2.88 x 0.44 inches with an output of 7.4 volts. The chemistry is LI-POL at 3000mAH capacity. Manufactured by Empire Scientific, model number TLP-008. 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.