All of VRLA/SLA battery and LiFePO4 battery from OstarPower was designed and produced per JIS standard, and approved by UL,CE,IEC,we already updated our certificate of UL,CE,IEC with our Shenzhen office address,UL(Certificate No.:MH48975),CE(Certificate No.:BCT111202C-006E),IEC (Certificate No.:GJW2022-7195/7196/7197),UN38.3 and MSDS report.