This is a brand new replacement battery Sea Jump LF606 for Sea-Jump LF606 JD-16 D2 SG800 M11 L1. All Sea Jump LF606 are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test! Each Sea Jump LF606 Battery has passed a series of safety certifications, such as CE, UL, ROHS, ISO9001/9002. In order to protect your device and your safety, please rest assured to purchase our high-quality Sea Jump LF606 batteries!