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Abnormal charging test

Partial certification program

Abnormal charging test requirements

UL certification

The batteries were tested after being discharged by the manufacturer's supplied capacity. Each battery sample was subjected to a charging current of three times the manufacturer's normally specified charging current, and the battery was connected to a DC power source. The special charging current is obtained by connecting a resistor of a special size and size in series.
When the battery is certified to an overcurrent or thermal protection device, the battery is tested at the maximum load without causing the protection device to function. Uncertified protective devices shall be tested after shorting.
Result: No fire, no explosion.

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