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yay, you made another one!
No matter which factory you buy from, large or small, please pay attention to the quality inspection, otherwise your customers may ask you for a refund.
Inspection method: Check the voltage drop rate of the battery after 1-3month，If it is lower than 4V, it means that it is a bad battery.
that’s your justification
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Fixed for yaa
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confirmed
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Airflow is a bit too tight on these. Wimpy, but they look clean
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