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Charger common problems

A fast charger and quick charger is what is the difference? The comparison between the two is in fact no sense. In the battery industry, the two types of chargers are not clearly defined. Therefore, manu...…

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What is the difference between -V and COM which are marked on the output side?

What is the difference between -V and COM which are marked on the output side? COM (COMMON) means common ground. Please see below: Single output: Posit...

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