Amazon.com : EPEVER MPPT Solar Charge Controller 30 amp 12V 24V Auto, 30A Solar Charge Controller Max 100V Input Negative Grounded Solar Reulator for Lead-Acid and Lithium Batteries Charging and Discharging :
EPSolar Solar Station Monitor software & a cheap USB cable - 12v Solar Shed - YouTube
EPEVER 10A/20A/30A/40A MPPT Solar Charge Controller 100V PV Max Input | SolarEpic
Amazon.com : EPEVER 30A MPPT Solar Charge Controller 12/24V DC Automatically Identifying System Voltage Common Negative Grounding Compitable with Lead-Acid and Lithium Batteries : Patio, Lawn & Garden