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What is the maximum input (solar) voltage rating of the ProStar 12/24V controller?

The maximum input voltage rating for the ProStar is 58Vdc. If using the ProStar to charge a 12V battery, the input must be a nominal 12V off-grid solar panel with a Voc < 30 Volts. Do not charge a 12V battery with a 24V solar panel. The solar panel will operate too far off its power point (very inefficient) and voltage spikes during regulation will damage the ProStar. Damage resulting from an array >20Voc in a 12V battery bank system will NOT be covered under warranty.

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