This is a high-performance replacement laptop battery for the Lenovo L09C4P01, guaranteed to meet or exceed the OEM specifications of your original. The laptop battery is 8.98 x 3.67 x 0.41 inches with an output of 14.8 volts. The chemistry is LI-POL at 2800mAH capacity. Manufactured by Empire Scientific, model number LTLP-9239-2.8. 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.