Support me for more videos: https://www.patreon.com/GreatScott Previous video: https://www.youtube.com/watch?v=WU16AJwvNhE Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab You can get the controllers shown in the video here (affiliate links): MPPT: Ebay: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=172648478278&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg Amazon.de: http://amzn.to/2sYscJS PWM: Ebay: http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=182478251420&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg Aliexpress: https://s.click.aliexpress.com/e/_dSjcPly Amazon.de: http://amzn.to/2s331Sj http://amzn.to/2sYIqCw In this VS episode I will compare an expensive MPPT solar charge controller with two cheap PWM solar charge controller from China. I will mostly talk about how much power they can draw from the solar panel and when it makes sense to use a cheap PWM controller and when an expensive MPPT controller. Music: 2011 Lookalike by Bartlebeats Killing Time, Kevin MacLeod (incompetech.com)