Do you want to Know How to Connect Solar Panel to Battery or install a solar energy system at home or for your company? One of the most important stages is connecting the solar panel to the battery safe and correctly. In this guide we will guide you through the process in simple and simple English, so that we can also understand beginners.
Why connect a solar panel to a battery?
Before continuing to the steps, let’s consider why it is important to connecting the solar panel into a battery.
- Energy storage: A battery stores solar energy throughout the day, so you can use it at night or in power cut.
- Stable power supply: It maintains a constant power supply for your equipment and things.
- Energy Independence: You can reduce the grid and be more dependent on your clean, renewable energy source.
What you need to Connect Solar Panel to Battery
To connect the solar panel to the battery, make sure you have the following:
- Solar Panel
- Battery (lithium-ion is highly recommended for a long life)
- Charge Controller (very important to prevent battery overcharging)
- Connecting wires
- MC4 Connectors (optional, but for secure and safe connection)
- Multimeter (to test the voltage and current)

Step View Guide: How to Connect Solar Panel to Battery
Step 1: Connect the charging controller to the battery
- Always start the charging controller by connecting the first battery.
- Use marked terminals on “+” and ” -” for batteries.
- Connect the red cord to the positive (+) terminal of the battery.
- Connect the black cord to the negative ( -) terminal.
- After connection, the charging controller should light up or display the battery voltage.
Step 2: Connect the solar panel to the charging controller
- Now connect the solar panel to the charging controller.
- Then use the correct terminals with “solar panels” or “PV” labels on the controller.
- Disconnect the positive cord from the solar panel to the positive input (+) on the controller.
- Connect negative cord to negative input ( -).
🔋 Tip: Do not connect the solar panel directly to the battery without charging controller. It can damage the battery or reduce the life.
Step 3: Test setup
- Use a multimeter to check what the battery charges.
- You can also inspect the charging controller or battery screen and charging speed.
Security Tips
- Always work in a dry environment to avoid the risk of electric shock.
- Use the wires with appropriate thickness to handle the current load.
- Make sure the battery is not overcharged or frequently not discharged.
- If you are unsure, always seek help from a professional technician.
Why choose the equality battery for your solar setup?
In Likraft, we offer lithium-ion batteries with high-performance specially designed for storing solar energy. Our batteries are:
✅ Long-lasting
✅ Fast-charging
✅ Maintenance free
✅ Environmen-friendly
Whether for residential, commercial or industrial use, Likraft batteries are built to deliver reliable and efficient power.
Final thoughts
If you follow the correct steps and safety guidelines, it is easy How to Connect Solar Panel to Battery. With a reliable battery from the right tools and Likraft, you can enjoy uninterrupted clean energy and reduce your electricity bill.
Looking for a powerful battery for your solar system?