Battery Flame Retardancy Testing Laboratory, Here We Interpret the Requirements of Battery Flame Retardancy Testing

Test

Electrical safety tests: Charging test Discharge test Continuous charging test Abnormal charging test Overcharge test Forced discharge test Overcharge test Overdischarge test Overvoltage charging test Overcurrent charging test Unbalanced charging Undervoltage discharge test Reverse charging test Electrostatic discharge test Power limit test Input power test Output port overload Wrong installation test External short circuit test Forced internal short circuit

Environmental safety tests: Temperature and humidity cycle test Mold stress relief High altitude low voltage simulation Impact test Vibration test Heavy impact test Squeeze test Thermal shock test Drop test Combustion test Temperature rise test Flame retardant test 250N steady force test High temperature test Washing test

Protect circuit safety tests: Overvoltage charging protection Overcurrent charging protection Undervoltage discharge protection Short circuit protection test Overload protection test Over temperature protection test High pressure test

Other performance tests: Capacity test Cycle life test Vacuum glove box

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Flame retardant test

Partial certification program

Flame retardant test requirements

CQC certification

For a battery pack in which the product of the charge limit voltage and the maximum charge current or maximum discharge current exceeds 15 VA, the material used for the package material should limit the spread of the flame.
Housing: For user-replaceable battery packs, the housing should be no less than V-1 grade; for non-user-replaceable battery packs, the enclosure should be no less than V-2 grade
PCB board: printed board should be no less than V-1 grade material
Wire: The wire shall pass the test of the standard Appendix G.
Insulation material: The insulation material should be no less than V-1
The flame retardant grade V-1 is higher than V-2, and the difference between V-1 and V-2 is whether there is a burning drip in the combustion test to ignite the absorbent cotton.

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