Uploaded September 2022 | Updated September 2026, 1 week ago

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Testing another pair of USB chargers, what's inside, checking the safety and build quality. Both are rated 5V 1A, one from eBay, one donated by a viewer. Let's see what surprises and dangers are hidden inside of them. Some chargers may not comply with safety regulations, cause an electric shock or fire. Their current rating may be fake, the output voltage may be wrong and they can cause electromagnetic interference (EMI) or damage your USB devices.

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