Taking a look at one of the more heavy duty electronic DC loads from Banggood.

Time Index:
1:33 Product overview
3:40 USB Mini 5v adapter load test
4:35 DC wall wart load test
5:18 Output DC jack ext. load test
5:56 Setting test limits and input offsets
13:05 Higher voltage and current load testing
17:25 NiMH AA battery discharge test
18:19 Final thoughts, pros and cons

Banggood affiliate links:
200V 20A 180W Constant Current DC Electronic Load (the one I reviewed is discontinued, this is the newer one):
https://www.banggood.com/custlink/DKm...

QC2.0/3.0 USB Quick Charger Voltage Trigger:
https://ban.ggood.vip/sfih

Patreon:   / gadgetreboot  

Background music from the Youtube music library:
A Rising Wave by Jeremy Blake
Ridge Racer by DivKid