11.1V, 4400mAh, Li-ion Battery fits Kohjinsha, K600, K800, 48.84WhBattery Fits Models: K600, K800, L500x, Sa, Sa1f00a, Sa1f00h, Sh, Sh6, Sh8, Sr Series, Sr8, V800 Battery Part Numbers: Nbatzz04, Nbp3a61 Canadian Batteries have supplied the replacement batteries from Cameron Sino for nearly a decade. We have had zero instances of a product being damaged while using one of our batteries in that time. The Cameron Sino range of batteries are historically the most reliable and cost effective generic batteries we have