This is a high-performance replacement tablet battery for the AMAZON SD4930UR with Tools, guaranteed to meet or exceed the OEM specifications of your original. The tablet battery is 4.23 x 1.5 x 0.157 inches with an output of 3.8 volts. The chemistry is LI-POL at 2400mAH capacity. Manufactured by Empire Scientific, model number. 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.

Replaces these batteries:

 Used with these models: