There's never enough of dodgy USB phone chargers. Let test another 2 pieces and let's see what's inside. Some questionable chargers may not comply with safety regulations and they may cause an electric shock or fire. Their current rating may be fake and they can damage your devices.
Please support my channel on Patreon:
https://www.patreon.com/DiodeGoneWild
Instagram:
https://www.instagram.com/savage_danyk/