TEC-06 Battery Capacity Tester from ICStation
Sponsored by JLCPCB ($2 for 10 Boards): https://jlcpcb.com
http://www.icstation.com/battery-capacity-tester-module-power-supply-module-mini-electronic-load-500ah-display-with-p-12449.html
Testing the TEC-06 battery discharge tester on a selection of 9V batteries