Solar Energy Product 12/24V 20A PWM Solar Charge Controller with High Efficiency

• Customization: Available
• After-sales Service: Installation and Debugging Guide
• Warranty: 1
• Model NO.: SMR20-N5
• Condition: New
• Certification: ISO, CE
• Application: Solar System Controller, Charger Controller, Lighting Controller, Voltage Controller
• Rated Voltage: 12V/24V
• Max. Panel Voltage: 25V/50V
• Max. Battery Voltage: 40V
• Max Solar Current: 20A
• Battery Type: Liquid, AGM, Gel and Lithium
• Protection Degree: IP67
• Self Consumption: 10mA
• Transport Package: Carton
• Specification: PWM
• Trademark: Lumiax
• Origin: Qingdao, China
• HS Code: 9032899090
• Production Capacity: 1500000 Pieces/Year

Product Description

Product Description

Product Parameters

Item

SMR10-RS485

SMR20-RS485

Battery Parameters

Max. Current

10A

20A

System Voltage

12/24V

Max. battery voltage

40V

Battery type

Liquid, AGM, GEL and Lithium(default: Gel)

Liquid, AGM, GEL

Fast Voltage

<14.5V/29.0V(25ºC)

Boost Voltage

14.5V/29.0V(default:14.5/29V)

Equal Voltage

14.8V/29.6V (25ºC)(Liquid)(default:14.8/29.6V)

Float Voltage

13.7V/27.4V (25ºC) (default:13.7/27.4V)

Overcharge Protect

15.3/31.3V

Low voltage disconnect

10.8~11.8V/21.6~23.6V(default: 11.2/22.4V)

Low voltage reconnect

11.4~12.8V/22.8~25.6V(default: 12.0/24.0V)

Temp compensation

-4.17 mV/K per cell(Boost, Equal);-3.33 mV/K per cell(Float)

Lithium

Charging voltage target

11.0~32.0V(default: 14.4V))

Charging voltage recovery

9.5~31.8V(default: 14.0V))

Low voltage disconnect

8.0 ~30.0V(default: 10.6V)

0°C Charge Protection

Yes, No, Slow(Programmable)

Low voltage reconnect

8.6 ~ 31.0V(default: 12.0V)

Panel Parameters

Day/Night threshold

Liquid,AGM, GEL: 3.0~8.0V/6.0~16.0V(Programmable)              Lithium: 3.0~20.0V(Programmable)

Day/Night delay time

0~30min(default: 0min)

Max. panel voltage

25V/50V

System Parameters

Dimensions

82*68*18.6mm

Weight

190g

Wire size

2.5mm2

4mm2

Self consumption

10mA

Grounding type

Negative grounding

Ambient temperature

-35ºC~+60 ºC

Degree of protection

IP67

Max. Altitude

4000m

Item

SMR25-V3212

SMR15-V1212

Battery Parameters

System Volt

3.2V

12V

Max Charging Current

20A

15A

MAX Volt. on Bat. Terminal

10V

20V

Battery Type

Lithium

Gel, AGM, Liquid and Lithium

Gel, AGM, Liquid

Fast Charging Volt

--

<14.5V@25ºC

Boost Volt

--

14.5V @25ºC

Equalization Volt

--

14.8V @25ºC (Liquid, AGM)

Float Volt

--

13.7V @25ºC

Low Volt. Disconnect

--

10.8~11.8V (Programmable)

Reconnect Volt.

--

11.4~12.8V (Programmable)

Overcharge Protect

--

15.5V

Temp. Compensation

--

-4.17mV/K per cell (Boost, Equalization), -3.33mV/K per cell (Float)

Lithium

Charging Volt. target

3.0~9.0V (Programmable)

10.0~17.0V (Programmable, Default: 12.6V)

Charging Volt. recovery

2.9~8.9V (Programmable)

8.5~16.8V (Programmable, Default: 12.4V)

Low Volt. disconnect

2.6~7.2V (Programmable)

8.0~15.0V (Programmable, Default: 9.0V)

Low Volt. reconnect

2.8~7.4V (Programmable)

8.6~16.0V (Programmable, Default: 9.8V)

0ºC Charging protection

Yes, No, Slow (Programmable)

Panel Parameters

Max Volt. on PV terminal

7V/15V

23V

Dusk/Dawn detect volt

1.0~3.0V (Programmable)

3.0~8.0V (Programmable)

Day/Night delay time

0~30min (Programmable)

Load Parameters

Max output current

1.6A

4A

Output Volt.

12±0.5V

Output current

1~20W

1~48W

Max load driver efficiency

92%@3.2V

95%@12V

Work mode

Stantard(24H),Day Mode,Night Mode,Day+Night Mode (Programmable)

System Parameters

Self consumption

8mA@Transport Mode

Dimensions

76.4*61*20.7mm

76.4*74.5*20.7mm

Weight

150g

190g

Wire size

4mm2

Ambient temperature

-35~+60ºC

Ambient humidity

0~100%RH

Protection degree

IP67

Max Altitede

4000m

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