Solar panel charging controller

Model: PWM
Buck: 28.8V
Floating charge: 27.4V
USB output: 5V/3A
Self-consumption: <10mA
Discharge stop: 21.4V
Voltage: DC 12V / 24V
Maximum solar input: <50V
Current: 10A / 20A / 30A /40A /50A /60A
Rated working current: ≤20A
Discharge reconnect: 25.2V
Working temperature: -35℃~60℃
Output voltage: 12V / 24V automatically distinguish voltage