20A LED Smart Off-Grid System Lithium Battery Solar Street Light Charge Controller

1. Lithium battery lead-acid switch, with memory function, DC output2. The default charging mode of lithium battery, you can switch the lead-acid battery with one key3. The buttons are separated from the USB on the left and right to prevent the data cable from loosening when operating the buttons to prevent damage to the device4. Easy to operate, save setup time5. Control mode: PWM modulation mode6. Rated charging current: 10A/20A/30A7. Rated discharge current: 10A8. System voltage: 12/24V9. Operating temperature: -35 to 60 degrees Celsius10. USB output: 5V/2A11. Material: PVC12. Size: 13.3x7x3.5CM13. Weight: about 131G