Gold Member Since 2013
Guangzhou Queenswing Solar Energy Co., Ltd.

Solar Controller, Solar Charge Controller, Controller manufacturer / supplier in China, offering 48V 50A Solar Charge Controller with LCD Screen (QWP-4850RSL), 5kVA off Grid Hybrid Solar Power Inverter with Builtin MPPT/PWM Controller, 1kVA/2kVA/3kVA/4kVA/5kVA Home Inverter Solar Power Inverter with Controller and so on.

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Supplier Homepage Product PWM Solar Charge Controller 48V LCD Solar Controller 48V 50A Solar Charge Controller with LCD Screen (QWP-4850RSL)

48V 50A Solar Charge Controller with LCD Screen (QWP-4850RSL)

Purchase Qty.:
(Pieces)
50-99 100-299 300+
FOB Unit Price: US $71 US $67.2 US $62
Purchase Qty. (Pieces) FOB Unit Price
50-99 US $71
100-299 US $67.2
300+ US $62
Get Latest Price
Production Capacity: 20000 Units/Month
Transport Package: Paper Box / Unit
Payment Terms: T/T, Money Gram, Western Union, In Cash

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Basic Info
  • Model NO.: QWP-4850RSL
  • Certification: CE
  • Rated Voltage: 48V
  • Voltage Range: 48V
  • Charging Mode: PWM Charging Mode
  • Protection Level: IP22
  • Weight: 0.8kg
  • Trademark: QUEENSWING
  • Origin: Guangzhou, China
  • Condition: New
  • Application: Solar System Controller, Charger Controller, Lighting Controller, Solar Working Station, Voltage Controller
  • Max. Charging Current: 50A
  • Housing Color: Black
  • Model Available: 10A 15A 20A 25A 30A 50A 60A 80A Solar Controller
  • Work Display: LCD Display
  • Keyword: Solar Charge Controller
  • Specification: CE, Rohs, SGS
  • HS Code: 9032899090
Product Description
48V 50A Solar Charge Controller with LCD screen(QWP-4850RSL)

Solar Charge Controller With LCD Display (50A 48V)
48V 50A Solar Charge Controller with LCD Screen (QWP-4850RSL)
Specifications
Model: 50A
Battery rated voltage: 48V
Battery rated charging current: 50A

Installation size & connection:
Installation environment: Controller should be installed in a dry and ventilated place.

1. Product Introduction
(1) LCD screen signal and precise operation.
(2) Intelligent PWM charging mode with auto temperature compensation.

This controller is a kind of intelligent, multi-purpose solar charge controller. It uses the fixed LCD display, with a very friendly interface; Various control parameters can be flexibly set, fully meet your various application requirements. This 30A controller has following features:
(1) function: The most important feature of this controller is intelligently tracking input voltage from solar panels, and this can let solar panels always work at Maximum Power Point of V-A curve. Compared with normal solar charge controller, this MPPT controller can increase the generating efficiency of solar panels by 10% to 50%.
(2) Vivid LCD screen signal and precise operation.
(3) Intelligent PWM charging mode with auto temperature compensation.
(4) Adjustable charging and discharging parameters, and settable load working state.
(5) Different protection function for battery, including protection against reverse charging for battery, battery low voltage protection and protection against battery reverse connection.

2. Features:
· Image of LCD graphic symbol
· Simple button operation
· Automatic Identification System Voltage level
· Intelligent PWM charge mode
· Automatic Temperature Compensation
· Adjustable charge-discharge control parameters
· Settable Operating mode of Load
· Overload, Short Circuit Protection
· Remote monitoring and control function (custom)
· Battery reverse-discharge protection
· Battery Low Voltage Disconnection (LVD)
· Battery reverse connection protection
· Accumulated function of charge and discharge Ampere hours


3. Advantages:

1. Low Cost
Solar controller has specifically designed to meet the needs of the rural electrification market. The low cost resulted from using the latest electronic technology and high volume manufacturing.

2. High Reliability
We are manufacturer of solar charge controllers, power inverters, and solar power systems. All our products are designed for high quality and high reliability. The controller has a low failure rate and will last a long time, and got very good feedback from customers until now

3. Easy to use
Solar controller is fully automatic and requires no adjustments or user selections.

4. Application:
Ideal for off-grid solar lighting system that needs light and timer control 
Solar street light system 
Solar garden light system 
Solar billboard 
Solar detection equipment etc. 

5. Delivery:
Lead Time:
Sample orders will be delivered within 7 working days.
If order quantity below 100PCS, delivery time is 7-15 working days.
Container orders will be delivered within 15-30 working days.
 
Shipment:
By courier such as DHL, EMS, FedEx, TNT, UPS ect.
By our shipping agent(by sea, by air or carrier)
By your shipping agent.
By domestic courier to any city of China.

Following shipping time for reference only, exact shipping time is subject to the date of buyer sign for the parcel. 
DHL: 3·7 working days, tracking no. offered;
EMS: 3·10 working days, tracking no. offered;
e-EMS: 3·10 working days, tracking no. offered;
e-Packet: 3·15 working days, tracking no. offered;
China Post Registered Air Mail: 20·60 working days, tracking no. offered;
If buyer care shipping more, please take DHL into priority consideration;
If buyer form Brazil should provid the CNPJ No. or CPF No. when order;
If the item broken when buyer receive the parcel, don't sign for it and asked for the delivery company to make a "damage certificate" and take photos to send us, otherwise we will not provide any warranty and refund. 
If buyer didn't found the shpping cost of your address in our shop, please contact us to get the lastest shipping price. 
 
6. Payment Terms:
T/T, Western Union, Money Gram
Production will be arranged after receipt of payment.

7. Warranty: 1 year
If you can cooperate with us, we will be honored and you will benefit from:
L - The good construction warranty-1 years
L - Your client satisfied on the right schedule and quality
L - Your can get good reputation from your market and obtain more orders
L - Our professional service before and after sale
L - The reasonable price
L - Any questions from you are welcome and will be replied in 24 hours
 
8. Some about us
Queenswing is a professional manufacture specialized in Power inverter and solar products, We have professional development team. We pursues to establish the culture of "quality first, reputation best ".
 
Product category
Car Power inverter
Car Inverter with USB Port
Pure sine wave invertrer
UPS Pure sine wave inverter with charger
Modify sine wave inverter
UPS power inverter with charger
Solar energy power source
Solar charge controller

48V 50A Solar Charge Controller with LCD Screen (QWP-4850RSL)
Our products usually are exported big quantity in to Europe, USA, African, Russia, Australiaetc. And our power inverter serials enjoy better reputation. With reliable quality and stable performance.

9. Parameter


Model      Data     
QWP-1450RSLQWP-1450RSLQWP-145048QWP-145048      Date          ModelQWP-1450RSLQWP-145048
Rated Current50A50A50A50AInstallation cable area≤ 7#  AWG  (16mm 2 )
Rated Voltage12V/24V48VOperating Temperature-10°C~60°C
Open Circuit voltage fo solar panel≤ 50V≤ 100VStorage temperature-30°C~70°C
Float voltage13.7V/27.4V54.8VHumidity requirements≤90%, no confensation
Low voltage Discomnection(LVD)10.7V/21.4V42.8VSize130mm×188mm×62mm
Low Voltage Recommention(LVR)12.6V/25.0V50.4VMounting hole spacing60 mm×178 mm --Φ5
No load loss
≤ 30mA

Weight360g
Loop Voltage Drop
≤20 0mV



Charging ModePWM Mode

Temperature compensation-4mV/Cell/°C

NotesModel suffix "Z" represent automatic identify system voltage level. "T" represent controller with remote monitoring
 

10. Our Customers
48V 50A Solar Charge Controller with LCD Screen (QWP-4850RSL)
Contact us: sales department: 0086-20-38260096
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