Marine disposable lithium battery (pack) Chi-yang Brand Series, which be used for GMDSS equipment, is adopting international standards produced by our company. This series of products has type approved and tested by CCS, Type Approval Certificate No.: CQ07T00007. It is complied with requirements of international standards such as IMO.A.802 (19), IMO.A.809 (19), and IMO.A.810 (19) and so on.