UL 2849 Safety Test Report
ANSI/CAN/UL 2849:2022 • Electrical Systems for E-Bikes
Report Number
RR-EMMA4-UL2849-2026
Issue Date
April 2026
Product Model
EMMA 4.0 (2026 Upgraded)
Battery System
52V 20Ah × 2 Li-ion | Upgraded BMS
Scope & Compliance
This report certifies that the electrical system of the EMMA 4.0 electric bicycle (2026 upgraded production) has been evaluated and tested to fully comply with the safety requirements of ANSI/CAN/UL 2849:2022, covering battery pack, BMS, charger, controller, wiring, and protection circuits.
Summary of Test Results
✓ Dielectric Voltage Withstand • Pass
✓ Short Circuit Protection • Pass
✓ Overcharge / Overdischarge • Pass
✓ Thermal Stability & Temp Rise • Pass
✓ Vibration & Mechanical Shock • Pass
✓ Moisture & Water Resistance • Pass
✓ BMS Cell Balancing • Pass
✓ Locked Rotor & Overload • Pass
Conclusion: All tested systems meet the requirements of UL 2849:2022.
This certification applies to EMMA 4.0 upgraded battery units produced in 2026.
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