Can I mix 100 watt and 200 watt solar panels?

Yes, you can mix 100W and 200W solar panels in the same solar power system. However, it’s important to consider certain factors for optimal performance:

1. Voltage Matching: Ensure that the voltage outputs of the panels are compatible. In your case, both panels have the same voltage (18V, for example), meeting the requirement for voltage matching.
2. Current Matching: If the panels are connected in parallel, the currents will add up. Confirm that the combined current aligns with your system’s requirements and the specifications of your charge controller or inverter.
3. System Compatibility: Verify that the combined voltage and current outputs of the mixed panels are within the acceptable range of your solar charge controller and inverter. Some controllers and inverters may have specific requirements for input voltage and current.
4. Efficiency Considerations: While it is possible to mix panels with different wattages, it’s generally recommended to use panels with similar specifications for optimal efficiency. Mismatched panels may result in suboptimal energy harvesting.
5. Balanced Output: Distribute the connected load evenly between the 100W and 200W panels to prevent overloading one panel while underutilizing the other.
6. Consult Manufacturer Guidelines: Always refer to the user manuals or guidelines provided by the solar panel manufacturer, charge controller, and inverter for specific instructions on mixed-panel configurations.

By taking these factors into account, you can successfully integrate 100W and 200W solar panels into your solar power system, optimizing energy production and system efficiency.

Also check: FAQs about inverters in parallel