What certifications does it have?

The product is certified with ISO and CE standards.

Is customization available?

Yes, ODM service is available with customization from designs and samples.

Reliable 18V PWM Solar Charge Controller for off-Grid Systems

Name: Reliable 18V PWM Solar Charge Controller for off-Grid Systems
Brand: Zhongshan Juneng Jiu Technology Co.,Ltd
SKU: 1970498621

Guangdong, ChinaZhongshan Juneng Jiu Technology Co.,Ltd

US$6.00-12.00

800 Pieces

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

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

1-Year Warranty: Comprehensive 1-year warranty coverage for peace of mind.

Dual Voltage Support: Compatible with 12V and 24V solar systems.

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

Battery Protection: Prevents overcharging and over-discharging to extend battery life.

Overload Protection: Automatically cuts off output if load current exceeds rated value.

Multi-Battery Compatible: Supports lead-acid, lithium, and gel battery types.

ODM Customization: Customization available from designs and samples.

Nighttime Management: Manages battery discharge to loads at night efficiently.

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: ≤4.36h

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 warranty period?

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

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 for higher efficiency, ideal for high-power or low-temperature systems.

Q:What types of batteries are supported?

It supports lead-acid (sealed/open), lithium (LFP/ternary), and gel batteries.

Q:Does it have overload protection?

Yes, it automatically cuts off output if the load current exceeds the rated value.

Q:How does it work at night?

It stops charging and manages battery discharge to loads according to settings to prevent over-discharge.