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MPPT 12v/24v 20A Solar Charge Controller

Type:
Max PV power:
Max PV voltage:
communication :
Availability:
Quantity:
  • OL-SOLAR20

  • OULU

Overview


This solar controller is based on an advanced maximum power point tracking (MPPT) technology  developed, dedicated to the solar system, the controller conversion efficiency up to 99.9%.


It comes with a number of outstanding features, such as:

  • A combination of multiple tracking algorithms enables tracking the maximum power point quickly and accurately

  • Innovative Max Power Point Tracking(MPPT) technology, tracking efficiency >99.9% Full digital technology, high charge conversion efficiency up to 98%

  • LCD display design, read operating data and working condition easily Real-time energy statistics function

  • 12/24/36/48V automatic recognition

  • Flexible System battery selection: Liquid, Gel, AGM and Lithium Extends battery life through accurate remote temperature sensor

  • Controller is protected against over-temperature due to built-in power reduction  function

  • Four stages battery charging process: MPPT, boost, equalization, float

  • Dual automatic protection to avoid exceeding the rated charging power and current Multiple load control modes: Always on, Dusk to Dawn, Evening and Manual

  • IoT wireless communication or Bluetooth communication functions optional Optional APP version for Bluetooth communicationWith the wireless communication function of the IoT, the controller can be connected remotely through IoT/GPRS

    solar controller 12v

Product Parameters
outback charge controller

 

Innovative Max Power Point Tracking(MPPT) technology, 

 tracking efficiency >99.9%

 High charge conversion efficiency up to 98%
 LCD display design, reading parameters and working status easilyMultiple load   Control modes: Standard 24 hours, Dusk to Dawn, Timer and User-defined mode
 Current-limiting charging protection while the PV power exceeds the range.

 External temperature sensor




H63fa6cd6064c453ea4dee8465970bd97v                        PCB Design

Capacitor Brand : SAMYOUNG
MOSFET brand: IR
TVS Brand:Littelfuse
MCU Brand: ST

Protection:
PV Over Current · PV Short Circuit · PV Reverse Polarity
Battery Reverse Polarity · Battery Over voltage
Battery Over voltage · Battery Over discharge
Load Over Current Protection · Load Short Circuit Protection

Over Temperature Protection

solar controller 12v

  


  Package 

  Pacakging: carton

  Contain: 12pcs/carton
  Weight: 18.9kg/carton
  Dimmension: 50*46*30cm
  Shipping: International Express:DHL, FEDEX, TNT, UPS
  Air transport & Sea transport

Technical Datasheet


No.

Item

OL-SOLAR20-12/24V

Battery Parameters

Max Charging Current

20A

System Voltage

12/24V automatic recognition

MPPT Charging Voltage

before boost or equalization charging stage

Boost Voltage

14.5~29V@25℃

Equalization Voltage

14.8~29.6V@25℃

(Liquid, AGM)

Float Voltage

14.8~29.6V@25℃

(Liquid, AGM)

Low Volt. Disconnect

10.8~11.8/21.6~23.6v

Reconnect Voltage

11.4~12.8/22.8~25.6v

Overcharge Protect

15.8/31.3V

Max volt on Bat. terminal

35V

Temp. Compensation

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

Battery Type

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

Panel 

Parameters

Max volt on PV terminal

100V

Max input power

260/520W

Dusk/Dawn protect voltage

3.0~20.0V(Default: 8.0/16.0V)

MPPT tracking range

(Battery Voltage + 1.0V)~Voc*0.9 

Load

Output Current

20A

Load mode

Always on, Street lamp, User-defind Mode(default: Always on)

System Parameters

Max tracking efficiency

>99.9%

Max charge conversion

98.0%

Dimensions

189*182*64mm

Weight

1.5Kg

Self consumption

7mA 

Communication

RS485(RJ11 interface)

Optional

IoT,  BLE(Internal/External)

Grounding

Common Negative

Power terminals

6AWG(16mm²)

Ambient temperature

-20 ~ +55℃

Storage temperature

-25 ~ +80℃

Ambient humidity

0 ~ 100%RH

Protection degree

IP32

Max Altitude

4000m


Overview

We strongly recommend connecting a fuse directly to the battery terminal to protect from any short circuit in the battery circuit. PV-modules generate current whenever light shines on them. The generated current is directly proportional to the light intensity. Even low levels of light, will deliver the PV-Modules no load, full voltage. It is thus utterly advisable to protect PV-modules from any incident light during installation; Never touch uninsulated cables (ends), only use electric insulated tools, and make sure that the wire cross section is adequate for the PV module operating currents. Connections must always be conducted in the sequence as described below.

solar charge controller

Certificate

Nanjing Oulu electric Corp., Ltd. is a global clean energy solution service provider and high-tech photovoltaic module manufacturer. We are committed to providing one-stop energy solutions including energy supply, energy management and energy storage to customers around the world. Our products Passed CE, TUV, ISO.UL certificate. Any questions please contact us freely. 


CE




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