Battery Drop Test Laboratory: Explaining the Requirements of Battery Drop Tests for You

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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Drop test

Partial certification program	Drop test requirement
UN38.3 certification	The packaged lithium battery was dropped from 1200mm (the lowest point of the battery) to 18-20mm thick hardwood board at 20±5°C (the board was laid on the concrete floor). Result: No fire or explosion after the test and after the test.
UL certification	The battery is free to fall to the concrete or metal floor at a height of 1 m at an ambient temperature of 20 ° C ± 5 ° C for 3 times. Result: No fire or explosion after the test and after the test.
CQC certification	After the battery is fully charged according to the manufacturer's charging procedure, it is free to fall to the concrete board at a height of 1 m. The cylindrical and button type batteries were dropped once on both end faces, and the cylindrical surface was dropped twice, for a total of four drop tests. Square and flexible packaging batteries were each dropped once for a total of six trials. Result: No fire or explosion after the test and after the test.
CB certification	The battery is free to fall to the concrete or metal floor at a height of 1 m at an ambient temperature of 20 ° C ± 5 ° C for 3 times. Result: No fire or explosion after the test and after the test.

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