The latest US standard UL2272 is mainly aimed at the safety test standard specified by the market torsion vehicles and self-balancing vehicles. Recently, the US Consumer Product Safety Association (CPSC) announced that all manufacturers, importers, Dealers, whose self-balancing vehicles produced, imported and sold in the United States must meet the latest safety standards, including the UL 2272 self-balancing vehicle electrical system certification standard. In addition, all balance car batteries must meet UN38.3 certification requirements.
Consulting 137*5116*9487
UL2272 certification test items
Electrical test s
Overcharge Test
Short Circuit Test
Overdischarge Test
Temperature Test
Imbalanced Charging Test
Dielectric Voltage Withstand Test
Isolation Resistance Test
Leakage Current
Grounding Continuity
Mechanical tests
Vibration Endurance Test
Shock Test
Crush Test
Drop Test
Mold Stress Relief Test
Handle Loading Test
Strain Relief Tests
Environmental tests
Partial Immersion Test
Water Exposure Test (IP Code Rating)
Thermal Cycling Test
Label Permanence Test
Motor Tests
Motor overload Overload
Motor Locked Rotor Test
Information required for UL2272 certification:
1. Appearance dimension drawing;
2. Specification of battery pack;
3. Specifications of battery cells;
4. The circuit diagram of the whole set of circuit boards and the PCB wiring diagram;
5. The software program protection principle block diagram and hardware protection principle block diagram of the whole circuit board;
6, the circuit board BOM table;
7. Motor specification;
8. Electronic file label (including: model, voltage (Vdc), capacity (Ah or Wh), production date, polarity label, warning statement);
9. Coding rules for production date;
10. Product instruction manual;
Warning words to be marked on the label:
a. Use Only (__) Charger.
b. WARNING – To reduce the risk of injury, user must read instruction manual.