Specifications:
1.Rated system voltage:12V/24V DC
2.Max open circuit voltage of solar panel 15¡ª 42V DC 3 Max solar panel power:250W 12V / 500W 24V
4.Max output current:20A
5.Max discharge current:20A
6.Over discharge voltage:10.2-12.5V (±0.2) 12V / 20.4-25.0V (±0.2) 24V
7.Restart voltage:10.3-13.5V (±0.2) 12V / 20.5-27.0V (±0.2) 24V
8.Constant voltage(Over charge)voltage:13.0-15.5V (±0.2) 12V / 26.0-31.0V ±0.2) 24V
9.Float voltage:12.5-14.5V (±0.2) 12V / 25.0-29.0V (±60.2) 24V
10.Converter type:Buck
11.Converter efficiency:> 96%
12.Max increase efficiency:> 43%
13.Tracking efficiency:> 98%
14.Precision of clock:±50S/Month
15.Charging algorithm:PWM 3 stage
Size:5.5×5.8×1.6in(140 ×147× 42mm)
20.Weight:550g
Package included:1PC 20A 12/24V MPPT solar charge controller