This is a high-performance replacement laptop battery for the Dell 451-11354, guaranteed to meet or exceed the OEM specifications of your original. The laptop battery is 7.95 x 1.65 x 0.79 inches with an output of 14.8 volts. The chemistry is LI-ION at 2200mAH capacity. Manufactured by Empire Scientific, model number LTLI-9240-2.2. 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.