Feature: 1. Excellent workmanship and clear connection, which can provide stable performance. 2. With overcharge and overdischarge protection, you don't need to add any protection board on it. 3. With anti-light interference function, after the light is turned on, about 5 seconds of strong light irradiation will not turn off the light. 4. Charging during the day, automatically turning on the lights in the evening without human intervention. 5. The circuit board is controlled by a single chip to realize small volume with multi-function. 6. Suitable for solar lawn lights, landscape lights, garden lights, corridor lights, DIY street lights, etc. Specification: Item Type: Solar Charge Controller Board Material: Fiberglass Model: 3237 Application: Solar powered single and double side lights, flashlights, landscape lights, Christmas lights charging, photosensitive control and power control flash light. Circuit board: Compatible with 3.7V lithium battery, 3.2V lithium iron phosphate battery, 6V12V battery. Maximum charging current: 3A Maximum discharge current: 1A Different types of batteries identify voltage ranges: The identification range of 3.2V single section of lithium iron is 2.5-4V The identification range of 3.7V single-section lithium battery is 3-4.4V The identification range of 6V batteries is 5-7.5V The identification range of 12V batteries is 9-15V Package List: 1 x Solar Charge Controller Board