Battery High Altitude Low Pressure Simulation Test Laboratory, Interpretation of High Altitude Low Pressure Simulation Test Requirements

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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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High altitude low voltage simulation

Partial certification program	High altitude low voltage simulation test requirements
UN38.3 certification	Store the battery and battery at a temperature of 20 ± 5 ° C and an atmospheric pressure of not more than 11.6 kPa for not less than 6 hours. The open circuit voltage after the sample test shall not be lower than 90% of the open circuit voltage before the test. This requirement does not apply to the fully discharged battery and battery. Results: no leakage, no venting, no disintegration, no cracking and no fire.
UL certification	The battery was stored for 6 h at an excellent pressure of 11.6 kPa (1.68 psi) and 20 ± 3 ° C (68 + 5 ° F). Results: no leakage, no venting, no disintegration, no cracking and no fire.
CQC certification	The battery was placed in a vacuum chamber at 20 ° C ± 5 ° C, and the pressure inside the chamber was reduced to 11.6 Kpa (simulated altitude 15240 m) by vacuuming for 6 h. Results: no leakage, no venting, no disintegration, no cracking and no fire.
CB certification	The battery was tested at a temperature of 20 ° C ± 5 ° C at a pressure of 11.6 Kpa (simulated altitude of 15240 m) for 6 h. Results: no leakage, no venting, no disintegration, no cracking and no fire.

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