of application: landscape light, courtyard light, small street light, colorful strings Connection methods: 1.B+ B_ connection cell 2.S+S connection solar panel 3 L+L connection output The battery voltages must matching the solar panel voltages and power The working voltages and power of the LED with output termination must correspond to the battery voltages Features: charging during the day, automatically turning on the light at night, and automatically turning off the light Multiple protective functions: built-in multiple protective mechanisms such as overcharge, overdischarge and short circuit to ensures the safe operations of the equipment