What is the warranty period for this product?

We provide a 1-year after-sales service warranty for this solar charge controller.

Advanced Smart PWM Solar Charge Controller for Eco-Friendly Energy

Name: Advanced Smart PWM Solar Charge Controller for Eco-Friendly Energy
Brand: Zhongshan Juneng Jiu Technology Co.,Ltd
SKU: 1974660191

Guangdong, ChinaZhongshan Juneng Jiu Technology Co.,Ltd

US$3.00-4.00

800 Pieces

Product profile

Customization

Available

After-sales Service

1 Year

Condition

New

Model NO.

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

Multi-Battery Compatibility: Supports lead-acid, lithium, and gel batteries for versatile solar applications.

Dual Protection System: Prevents overcharging, over-discharging, and includes overload protection for safety.

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

1-Year Warranty: Comprehensive 1-year after-sales service warranty for peace of mind.

Customization Available: ODM service available with customization from designs and samples.

12V/24V Auto Detection: Adapts to 12V or 24V systems for flexible installation in various setups.

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: ≤3.98h

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 controllers reduce panel voltage to battery level with lower efficiency, suitable for small systems. MPPT controllers dynamically adjust to maximize power output, offering higher efficiency for high-power or low-temperature environments.

Q:What types of batteries are compatible with this controller?

This controller supports multiple battery types, including sealed and open lead-acid batteries, lithium batteries (such as lithium iron phosphate and ternary lithium), and gel batteries.

Q:Does the controller have overload protection?

Yes, most solar controllers, including this model, feature overload protection. If the 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 controller stops charging and manages the battery's discharge to the load according to settings, preventing the battery from over-discharging.

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

Main functions include charging management to prevent overcharging, discharge protection to extend battery life, load control for connected devices, and system monitoring for voltage, current, and capacity data.