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20A PWM Solar charge controller
20A PWM Solar charge controller

SR-L Series Solar Lighting Controller: System Voltage:12/24V; Unload Loss:<5mA ; Charge voltage drop:<=0.20V;

 SR-L Series Solar Lighting Controller:

Basic Parameter

Rated Charge Current:

5A /10A /15A /20A 

Rated Discharge Current: 

/5A /10A /15A /20A 

System Voltage: 

12V ; 24V ; 12V/24V Auto 

Unload Loss:

<5mA 

Charge voltage drop: 

≤0.20V 

Discharge voltage drop:

≤0.15V 

Over-voltage Protection:

17V;×2/24V 

Improve Charge Voltage:

14.6V;×2/24V 

Direct-Charge Voltage:

14.4V;×2/24V 

Float-charge Voltage:

13.6V;×2/24V 

Charge Return Voltage:

13.2V×2/24V 

Over-Discharge Return Voltage:

12.5V×2/24V 

Undervoltage Voltage: 

12.0V×2/24V 

Over-discharge voltage:

11.1V×2/24V 

Light control point voltage: 

5.0V×2/24V 

Temperature Compensation:

-4.0mv/°C/2V 

Control Way: 

Charge:PWM

Work Temperature: 

-35°C to+65°C 

 Protection Function 

1.  Battery reverse protection: the system will don't work after the battery reverse connection, but the load has a 

    negative voltage output.

2.solar panels reverse protection: The system don't damage after solar reverse contact

3. Overload Protection: 1.25 times the rated current for 30 seconds,1.5 times the rated current for 5 seconds overload protection.

4. Overload short current protection: ≥3 rated current.

5. Anti-reverse charge protection at night: the evening to prevent the battery discharging through the solar panels

6. TVS Lightning Protection

7. Moisture treatment: three anti-paint treatment of imports

8. Input Fuse: 25A

1.5  Short-circuit discharge

 1. After Short-circuit protection, Long time press key will release the short-circuit state.

 2. After Short-circuit protection, every 4 hours release one time. 3. After Short-circuit protection, automatic release at the next night.

1.6 Over Discharge and Over Discharge Return Voltage1. Over-discharge voltage: 11.1V2. Over Discharge Return Voltage: the first two is 12.5V, the third time is 13.5V.

1.7 Input characteristics1. Rated input voltage: 12V/24V2. Input voltage range: 10V ~ 34V3. Solar panel input voltage: <50V4. Battery plate input power: ≤ 150W/12V, ≤ 300W/24V5. Standby static power consumption: <5mA

1.8 Output Characteristics1. Maximum output current: 10A2. Maximum output power: 120W/12V, 240W/24V

20A PWM Solar charge controller

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