Hello everyone! In order to provide better answers to your questions, I suggest you contact me on LinkedIn (the network where you will have the best chance of finding me connected). I could give you more precise answers and possibly advise you in your search for equipment (I always want to clarify that I do not sell anything and that I am not affiliated with any brand. LinkedIn: Johann Glauser / johann-glauser-774a9b127 ----- The component is no longer for sale. I do not put a link for products that I have not tested. ----- In this video I detail how to make a photovoltaic solar installation! In the very first part, photovoltaic solar panels, those that produce electricity. Here are the two types of photovoltaic panels best-selling on the market. These are polycrystalline silicon and monocrystalline silicon technology. When batteries are connected in parallel, this adds up the currents that they are capable of providing but not the voltage. And for series connection, it is the opposite. The voltages add up but not the current. Let's now look at the other main elements in the case of a photovoltaic installation with battery. The inverter. To use the direct current produced by the panels or the electricity stored in the batteries, if you want to connect devices operating on 230V AC, you must use an inverter which, as its name suggests, will ripple the current and convert it from 12, 24, 48v to 230 volts. Then, if you put batteries, you need a charge regulator. So this part is used to regulate the charge of a battery with the electricity produced by photovoltaic panels. When you create your own solar panel installation, do not forget the differential circuit breaker to protect yourself from electrocution. A conventional circuit breaker protects the installation and a differential circuit breaker will compare the incoming current and the outgoing current to detect a leak greater than 30mA and cut off the power to save your life! In the case of protection to build our installation: So the component that I put in the description includes protection sized to match its own power. So to protect the installation I recommend that you put a circuit breaker that will be used to cut the installation if the current is exceeded. In the case of a 2A circuit breaker you have a power of 460W on a 230V network. 2300W for a 10A circuit breaker and 3680W for a 16A circuit breaker. The maximum current that the component inverter can provide is 17A, you cannot put a 20A or 32A circuit breaker, it would be useless since the component would trip at 17A. Let's study this time the sizing to build your own photovoltaic solar installation. Here is the power of some electrical devices: An LED bulb: 10W A phone charger: 20 W A computer charger around 100W A television approximately of LCD technology around 150W A refrigerator 300W A hob: 1500W An electric oven: 2000W. A 2000W washing machine These are approximate values, read the power of your appliances to correctly size your own needs.