3.7V 7.4V 11.1V Lawn Solar Controller Solar Lights Lamp Controller Circuit Board

This control board has no overcharge and over discharge protection. Connect the battery (the battery must have its own protection board). There are three versions. Please leave a comment and note version when placing an order. A version: light control version (not bright during the day. Automatically bright in the dark) Version B: Light-controlled 6-hour version (not lit during the day. The light turns off automatically after 6 hours) Version C: 30% power version (not bright during the day. The power brightness of the lamp drops to 30% after dark starts to shine for 6 hours) Compatible with three voltages (3.7V7.4V11.1V). Constant current 1.66A output. Please make sure the power of the lamp board is close to the constant current power.

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