MakerHawk USB 3.0 Tester, USB Power Meter, 3.7-30V 0-4A Voltage Tester Multimeter, USB Current Meter Tester, IPS Color Display Voltmeter Ammeter, USB Charger Tester AT34 : Amazon.sg: DIY & Tools
SABRENT 16-PORT USB 3.0 DATA HUB and Charger with individual switches [90 Watts] (HB-PU16) - Newegg.com