Dangerous USB phone chargers 14 (a 4-port 3A charger with a switch) @DiodeGoneWild
Dangerous USB phone chargers 14 (a 4-port 3A charger with a switch) @DiodeGoneWild
Uploaded October 2022 | Updated September 2026, 2 weeks ago
Analyzing a dubious 5V 3A USB charger with 4 ports, a switch and a mains plug on a cable. Let's see what surprises and dangers are hidden inside. Some power supplies and chargers may not comply with safety regulations. They 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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Dangerous USB phone chargers 14 (a 4-port 3A charger with a switch)

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