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I bought a charge controller for a friend, and then had to translate the "English" manual into Greek. I still don't understand what the manual said, or what the controls do, or why, but I can think in Chinese now. Lights on the control panel come on for random reasons; they are not the colour the manual claims they should be, or in the same place, or blink at the frequency suggested. It was a voyage of dicovery, to say the least.One question: if you remove the controller and connect the lights directly to the battery are they brighter? If so, your controller is limiting power output for some reason. There might even be an explanation as to why in the manual, but it's probably a long shot.
I bought a charge controller for a friend, and then had to translate the "English" manual into Greek. I still don't understand what the manual said, or what the controls do, or why, but I can think in Chinese now. Lights on the control panel come on for random reasons; they are not the colour the manual claims they should be, or in the same place, or blink at the frequency suggested. It was a voyage of dicovery, to say the least.
One question: if you remove the controller and connect the lights directly to the battery are they brighter? If so, your controller is limiting power output for some reason. There might even be an explanation as to why in the manual, but it's probably a long shot.