Julian's Postbag: #42 - USB 3.0 Power Monitors (Red/Yellow). Two fascinating USB 3.0 power monitors which have super accurate voltage, current and power measurement and some really neat additional features.
USB 3.0 Power Monitor - YZXstudio Voltage Current Meter OLED Charger Doctor #YZXstudio http://www.ebay.com/itm/USB-3-0-Power-Monitor-YZXstudio-Voltage-Current-Meter-OLED-Charger-Doctor-/171657443908
USB 3.0 Power Monitor (Red) YZXstudio Voltage Current Meter High Resolution OLED http://www.ebay.com/itm/USB-3-0-Power-Monitor-YZXstudio-Voltage-Current-Meter-High-Resolution-OLED-/171606912751
Disclosure: These items were supplied to me at no cost for the purpose of making a review video.
Tags: Julian's Postbag: #42 - USB 3.0 Power Monitors (Red/Yellow), USB, OLED, Light-emitting Diode (Invention), Power, Voltage, Current, Powerbank, phone, tablet