Since these products contain electronic components and batteries, they must meet specific safety standards. For the US market, ensure the battery cells are UL2054 or UL1642 certified and the device complies with FCC Part 15. For the EU market, CE marking, RoHS (Restriction of Hazardous Substances), and EMC (Electromagnetic Compatibility) certifications are mandatory. Additionally, ensure the product has a UN38.3 test report and an MSDS (Material Safety Data Sheet) for international shipping compliance.