What is the minimum order quantity?

The minimum order quantity is 2000 units.

What are the lead times for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

Is customization available?

Yes, ODM service is available with customization options from designs and samples, including brand and packaging customization.

Advanced Solar Charge Controller for Efficient Energy Optimization

Name: Advanced Solar Charge Controller for Efficient Energy Optimization
Brand: Zhongshan Juneng Jiu Technology Co.,Ltd
SKU: 2205110175

Guangdong, ChinaZhongshan Juneng Jiu Technology Co.,Ltd

US$3.00-4.00

800 Pieces

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

Model NO.

Condition

New

Certification

ISO, CE

Application

Solar System Controller

Rated Voltage

12V/24V

Carton Size

54*40*23cm

Innerbox Size

19*10*5.5cm(Per PC)

Brand

Junengjiu

Origin1

Zhongshan/China

Transport Package

Box

Specification

16.7*9.3*3.8cm(Per pc)

Trademark

Junengjiu

Origin

Zhongshan, China

HS Code

8504403090

Production Capacity

50000

Key features

High Efficiency MPPT Technology: Dynamically adjusts operating point to maximize solar panel output power, ideal for high-power systems.

Multi-Battery Type Support: Compatible with Lead-acid, Lithium (LiFePO4, Ternary), and Gel batteries for versatile applications.

Comprehensive Protection System: Features overload protection, overcharging prevention, and over-discharge protection to ensure safety.

Dual Voltage Compatibility: Supports 12V and 24V rated voltages, suitable for various solar system configurations.

Smart Load Control: Manages power supply to connected loads and prevents battery over-discharge at night.

CE and ISO Certified: Meets international safety and quality standards with CE and ISO certifications.

OEM/ODM Customization: Supports customization from designs and samples, including brand and packaging options.

1-Year Warranty Service: Provides a 1-year warranty for new condition products to ensure customer confidence.

Company profile

Product CertificationQuality AssuranceExhibition ExperienceFast Delivery

Zhongshan Juneng Jiu Technology Co.,Ltd

Guangdong, China

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: ≤1.63h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and a trade company located in Zhongshan, with associated companies in manufacturing. It reports CE and RoHS certifications, customization from designs and samples, ODM services, and new product development during the past year. Production resources include three production lines and several listed machines, but the supplier does not continuously reconcile production quantities for each batch. Service procedures exist for supplier assessment, corrective actions, and complaint handling, yet no written records were provided. Overseas service infrastructure is limited: no overseas warehouse, showroom, agents, or branches, and no overseas service countries were reported. Financial records are referenced for 2022–2024, but no financial performance details are provided. No available SDK, no factory environmental impact assessment report, and no OEM service for popular brands were reported.

CertificationsThe supplier reports CE and RoHS certifications. These are explicit product or compliance certifications and provide positive evidence for this field.

After-Sales capabilityThe supplier has procedures for complaint handling, corrective and preventive actions, and service-capability assessment, but no written records are available. It has no overseas warehouse, showroom, agents, or branches, and reports service availability in zero overseas countries, limiting demonstrated after-sales coverage.

R&D capabilityThe supplier reports new products during the past year and provides ODM services, demonstrating some product-development capability. However, it explicitly reports no available SDK, so the evidence does not support a fully strong innovation capability across the requested scope.

Production capacityThe supplier lists multiple production-related facilities or equipment and reports three production lines. However, it does not continuously reconcile quantities for each batch or bulk production, which is an explicit production-control deficiency.

Customization capabilityThe supplier explicitly supports customization from designs and samples and provides ODM services. These capabilities directly demonstrate design-based and sample-based customization.

Product Q&A

Q:What is the difference between PWM and MPPT controllers?

PWM reduces panel voltage to battery voltage with lower efficiency, suitable for small systems. MPPT dynamically adjusts the operating point to maximize output power, offering higher efficiency for high-power or low-temperature environments.

Q:What types of batteries are supported?

Most solar controllers support multiple battery types, including sealed and open lead-acid batteries, lithium batteries (LiFePO4, ternary lithium), and gel batteries.

Q:Does the controller have overload protection?

Yes, most solar controllers have overload protection. When load current exceeds the rated value, the controller automatically cuts off the output to protect the system.

Q:How does the controller work at night?

At night, the solar controller stops charging and manages the battery's discharge to the load according to settings, preventing the battery from being over-discharged.

Q:What are the main functions of a solar controller?

Main functions include charging management (preventing overcharging), discharge protection (preventing over-discharging), load control, and system monitoring (displaying voltage, current, and capacity).