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High-Efficiency PWM Solar Charge Controller for off-Grid Solutions
US$2.00-4.00
800 Pieces

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

DY

Condition

New

Certification

ISO, CE

Application

Solar System Controller

Rated Voltage

12V/24V

Transport Package

Box

Specification

18.5*11.7*5cm

Trademark

Junengjiu

Origin

Zhongshan, China

Production Capacity

50000

Key features

Comprehensive Warranty: 1-year warranty coverage for all mechanical and electrical defects.
Dual Battery Support: Compatible with Lead-acid, Lithium, and Gel battery types.
Overload Protection: Automatically cuts off output when load current exceeds rated value.
Nighttime Discharge Control: Manages battery discharge to loads while preventing over-discharge.
ISO and CE Certified: Meets international safety and quality standards for solar systems.
Customization Available: Supports customization from both designs and samples.
100% Product Inspection: Every finished product undergoes visual and functional inspection.
Flexible Lead Time: Within 15 workdays off-peak; one month during peak season.

Company profile

Zhongshan Juneng Jiu Technology Co.,Ltd
Product CertificationQuality AssuranceExhibition ExperienceFast Delivery
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 1 Year CertifiedNearest Port: Zhongshan PortAverage Response Time: ≤2.51h

About Our Factory & Business Background

Address3rd Floor, 1st Elevator, Building E, No.66 Hesui Industrial Avenue, Dongfeng Town, Zhongshan, Guangdong, China
Plant Area1483 square meters
Number of Employees34
Registered Capital1,000,000 RMB
Terms of PaymentLC, T/T, Western Union, Small-amount payment, PayPal, D/P
International Commercial Terms(Incoterms)EXW, CFR, CIF, FOB
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays
Minimum Order Quantity2000
Supply Chain Partners50

Our Production Capability & Technical Expertise

Main ProductsPower Inverter, Solar Charge Controller, Inverter, Solar Controller, Solar Inverter, Solar Power Inverter, Car Inverter, Car Power Inverter, Solar Panel Inverter, Charger Controller
Production Lines3
Production MachinesWave Soldering Machine, Ultrasonic Machine, Aging Line, Packing Machine, Marking Machine
QA/QC inspectors2 people
Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished ProductsHave instruction but no written records
R&D Engineers2 people
Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Year of Establishment2019-10-16
Main MarketsDomestic
Repeat Buyers Choice80%~100%
Number of Foreign Trading Staff3
Overseas Agent/BranchNo
New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Product CertificationCE, RoHS
Cooperated with Fortune 500No

Product Q&A

Q:What is a solar controller?
A:
A solar controller manages electrical energy transmission between solar panels and batteries. It prevents overcharging or over-discharging, extends battery life, and optimizes system efficiency.
Q:What is the role of a solar controller?
A:
It performs charging management, discharge protection, load control, and system monitoring to ensure safe and efficient operation of the solar energy system.
Q:What is the difference between a PWM controller and an MPPT controller?
A:
PWM controllers reduce panel voltage directly with lower efficiency, suitable for small systems. MPPT controllers maximize output power by adjusting operating points, offering higher efficiency for high-power or low-temperature systems.
Q:What types of batteries can a solar controller be used with?
A:
Most controllers support Lead-acid (sealed/open), Lithium (LFP, ternary), and Gel batteries. Users must confirm compatibility with their specific battery type.
Q:Does a solar controller have overload protection?
A:
Yes, most solar controllers include overload protection. They automatically cut off output if the load current exceeds the rated value to protect the system.

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