I created and install solar system on a sheep farm. Diy solar box, inverter, solar charger 10A, 12V 120Ah battery, water pump, security camera, USB charging ports, LED lights...
Simple but very useful solar box for camping, fishing, in general for everything. It doesn't cost much for what you get. I used basic lead acid battery, PWM 10A solar regulator, 30W solar panel but best is 80W for this regulator, LED strip, LED bulb, USB charging conector, 12V socket, voltage and charge indicator, potentiometers...