Feature:1. Great workmanship and clear connection, which can provide stable performance.2. With over‑charge and over‑discharge protection make you do not have to add protective board on it.3. With anti‑light interference function, after the light on, about 5 seconds of strong light irradiation does not make the light turn off.4. Charging during the day, turning on the lights automatically in the evening without human intervention.5. The circuit board is controlled by singlechip to realize small volume with multi‑function.Specification:Item Type: Solar Charge Controller BoardMaterial: FiberglassModel: 3237Application: Solar energy single and double side lights, flash lights, landscape lights, Christmas lights charging, photosensitive control and flash light control.Circuit Board: Compatible with 3.7V lithium battery, 3.2V lithium iron phosphate battery, 6V12V battery. Maximum Charge Current: 3AMaximum Discharge Current: 1ADifferent Battery Types Identify Voltage Ranges:The identification range of 3.2V single section of lithium iron is 2.5-4VThe identification range of 3.7V single section lithium battery is 3-4.4VThe identification range for 6V batteries is 5-7.5VThe identification range for 12V batteries is 9-15V Package List:1 x Solar Charge Controller Board