Battery Charger Testing

IEC 60335-2-29 Certified Safety Testing for Battery Chargers

IEC 60335-2-29 specifies particular safety requirements for battery chargers used with household appliances. Compatible Electronics provides comprehensive testing to ensure your battery chargers meet international safety standards.

What is IEC 60335-2-29?

IEC 60335-2-29 is used in conjunction with IEC 60335-1 and provides specific safety requirements for battery chargers having an output not exceeding 120 V DC, intended for charging batteries in household and similar applications.

Products Covered

Standalone battery chargers
Chargers for power tools
Chargers for garden equipment batteries
Chargers for personal care devices

Automotive battery chargers (household type)
Chargers for rechargeable household appliances
Multi-chemistry chargers (Li-ion, NiMH, Lead-acid)

Key Safety Requirements

Output voltage and current limits
Protection against battery overcharging
Reverse polarity protection
Short-circuit protection

Temperature limits during charging
Ventilation requirements for gassing batteries
Instructions and markings
Creepage and clearance distances

Tests Performed

Normal operation temperature rise
Abnormal operation tests (blocked ventilation)
Overload and short-circuit tests
Dielectric strength testing

Leakage current measurements
Mechanical strength tests
Cord anchorage and strain relief tests
Resistance to heat and fire

Standards We Test To

International

IEC 60335-2-29 (current edition)

European

EN 60335-2-29 (harmonized)

North America

UL 1310 - Class 2 Power Units
UL 1012 - Power Units Other Than Class 2

Regional

National variations

Design Considerations

Our engineers can help you understand critical design requirements:

      Common Design Issues
      Inadequate thermal protection
Missing or improper safety circuits
Insufficient insulation coordination
Non-compliant marking and instructions
Improper component ratings

    