Inside look at a 60A make sky blue charge controller - YouTube
PowMr VS MakeSkyBlue MPPT solar charge controllers. 60 Amps versions. Test with lithium battery. - YouTube
100A MPPT Solar Charge Controller w/Wifi for Lithium battery or 12V 24 – MakeSkyBlue
Amazon.com : MakeSkyBlue 30A MPPT Charge Controller, Max Input 160V DC 1200W Solar Panel, LCD Display, Auto 12V/24V/36V/48V Solar System (30A-V118) : Patio, Lawn & Garden
Syonyk's Project Blog
60A MPPT SOLAR CHARGE CONTROLLER W/WIFI FOR LITHIUM BATTERY OR 12V LEAD-ACID V120 – MakeSkyBlue
Controlador Solar Mppt 60a Makeskyblue 12/24/36/48 Vdc em Promoção na Americanas