I bought a version with a voltage converter and DOA came. Something large inside was dangling and could slide off in any direction you turned the device. It felt like the main converter was dangling and dangling inside. Plug it into 110V just to test the device and the main power LED turned blue but none of the power ports or USB ports had power. Then I noticed it was making little electrical pops inside and smelled like burnt wires, so I immediately turned it off and the unit was already heating up. I sent the block back immediately. There is a broken device outside, the structure is compact, but there is no circuit breaker. Not sure if this will prevent damage to anything in the event of a power surge or short circuit. There is no way to turn off the power without unplugging the device, nor is there a reset button or fuse. Also, the USB connectors weren't very durable and looked like they wouldn't last long as they were loose and flimsy right out of the box. Probably the best travel buck converter devices available.
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