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Guangzhou Queenswing Solar Energy Co., Ltd.

China Manufacturer with main products: Inverter, Soalr Controller, Solar Panel, Battery

Home  >Products Catalog > solar controller > QueensWing 12/24V 20A PWM Solae Charge Controller With LCD display

QueensWing 12/24V 20A PWM Solae Charge Controller With LCD display

Supply Ability: 30,000 Piece/Pieces per Month
Payment Terms: T/T, Western Union

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Guangdong in China

Quick Details

  • Maximum Current: 20A
  • Rated Voltage: 12V
  • Application: Solar System Controller
  • Model Number: QWP-1420USBB
  • Brand Name: QueensWing


This product is a new-generation solar charge and dis-charge controller for lead-acid battery. 
The product includes but is not limited to the following functions and properties:

  • LCD displayer

  • Excellent heat balance design and natural air cooling;

  • 4-stage charge period management(EQU, Bulk, ABS, Float)

  • Temperature compensation function. The controller can automatically adjust the charge parameters of battery by environment temperature to lengthen the service life of battery.

  • Sophisticated electronic protection production, including overcurrent protection, load short-circuit protection and low-voltage protection.

  • Comprehensive and reliable load control mode can identify the day and night.

  • Well-designed charge loop can effectively improve the efficiency of charge and discharge, and reduce the heat consumption in charge and discharge.

  • Statistics of charge volume of battery.


Technical Parameter:

  •  System voltage: 12V/24V

  •  Max. voltage of PV: 40V

  •  Max. charge current: 20A

  •  Max. discharge current: 20A

  •  Max. output voltage: 12V/24V

  •  Max. output power: 240W/480W

  •  Charge way: 3-stage PWM charge

  •  Compatible battery: Lead-acid cell

  •  USB charge port: 5V/1A

  •  Temperature compensation: have

  •  Dimension: 150*85*35mm/230g

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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