The shell of the balanced vehicle (UL746C UL746B), charger (Class II power supply UL1310, non Class II power supply UL1012, UL60950-1), motor (above 60V DC voltage meets UL1004-1, below 60V DC voltage can meet UL1004-1 or this standard requirements), circuit and terminal (UL2251, etc.), protective circuit (UL991, UL1998, etc.), and battery pack (UL2271) should all meet the specific standard requirements for accessories proposed in UL2272
UL2272 for self balancing scooter electrical system
Electrical test:
Short Circuit short circuit test
Over discharge test
Temperature rise test
Unbalanced Charging
Dielectric Voltage Withstand withstand voltage test
Isolation Resistance insulation impedance test
Grounding Continuity Test
Leakage Current
Mechanical test:
Crush compression test
Drop drop test
Mold Stress stress relief test
Handle Loading handle bearing test
Motor Locked Rotor and
Overload motor rotor lockup and overload
Drain Relief and Push Back
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China