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20A Solar Controller
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Specifications

20A 12/24V Charge Controller

Features:
Microcontroller digital accuracy
PWM Charge mode
Temperature compensation
Automatic detection of the voltage
Double digital LED display, numbers equal to timer setting

Electronic Protection Functions:
Short circuit protection
Reverse polarity protection
Reverse current protection at night
Over charging, over discharging and over load protection
Over load protection

Specifications:

Rated charge current	20A
Rated load current	20A
Work voltage	12V/24V AUTO
No load losses current	5mA-20mA (only when digital LEDs being lighted)
Charging circuit voltage drop	≤0.26V
Load circuit voltage drop	≤0.15V
Over voltage protection	14.8V; x2/24V
Boost charge voltage	14.6V; x2/24V
Direct charge voltage	14.4V; x2/24V
Float charge voltage	13.6V; x2/24V
Charge recover voltage	13.2V; x2/24V
Over discharge recover voltage	12.6V; x2/24V
Lower voltage indication	12.0V; x2/24V
Over discharge voltage	11.1V; x2/24V (no load) real-time modified voltage by the discharge rate
Temperature compensation	-4.0 mV/℃ 2V (boost voltage direct charge, float charge and charge return voltage compensation)
Control method	PWM pulse-duration modulation charge mode
Working temperature: industry stage	-35℃~+55℃