Skip to content

Solar regulator assembly diagram

The first diagram shows a charge (or voltage) regulator positioned between a 12V photovoltaic solar panel and a 12V DC battery. 220/230V can be obtained by installing a converter at the battery output.

The second diagram shows the regulator's connections, noting, in addition to the 12V output to the battery, another 12V output for low-power use such as lighting.

To see our selection of solar regulators, visit this page.

Solar regulation diagram
Technical document
Solar regulation connections

Frequently Asked Questions

How does a solar regulator work in a photovoltaic system?
A solar regulator is installed between the solar panel and the battery to control the charge. It regulates the voltage and current of the energy entering the battery to prevent overcharging and excessive discharging, thus extending the battery's lifespan.
What is the role of the regulator in an installation with an inverter?
In an installation with an inverter, the regulator protects the battery and optimizes the charge. The battery then powers an inverter that converts the 12V DC into 220/230V AC, allowing household appliances to be powered.
What types of connections are found on a solar regulator?
A typical solar regulator has inputs for the solar panel, outputs to the battery, and often a dedicated 12V output for directly powering low-power devices, such as LED lighting.
Why use a solar regulator for a 12V battery?
A regulator is essential for a 12V battery because it prevents the battery from overcharging and protects against deep discharges that could damage the battery or reduce its lifespan.
Can multiple solar panels be connected to a single regulator?
Yes, it is possible to connect multiple solar panels to a single regulator, provided that the total power and voltage of the panels are compatible with the specifications of the chosen regulator.
What is the difference between a PWM and MPPT regulator?
A PWM regulator is simpler and suitable for small installations. The more advanced MPPT regulator optimizes power by adjusting the voltage in real-time to maximize captured energy, making it ideal for more powerful solar systems.
How to install a solar regulator correctly?
To install a solar regulator, start by connecting the battery to the regulator, then the solar panel. Follow the connection order to avoid overvoltage or damage to the regulator. Always follow the installation manual to ensure safety.

Your legal guarantee rights

Your legal guarantee rights

europa.eu/youreurope/citizens/consumers/shopping/guarantees/index_en.htm