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Frequently Asked Questions

The open voltage is a standard value, which is determined by the physical characteristics of photovoltaic modules: After the controller is actually connected, there will be a normal voltage drop, so the controller will not be damaged.
Yes, we have a factory wholesale outlet.

We are PTL Testing Certified. All of our panels are flash tested with a sun simulator, then shipped out with individual test data sheets.

Controllers that match the components, batteries that system requirements, and cable of corresponding specifications. If AC power is needed, add an inverter to provide AC output.