What are the available rated load current options?

The controller is available in 10A, 20A, 30A, 40A, 50A, and 60A rated load currents.

What certifications does the product have?

The product is certified with ISO and CE standards.

Advanced 40A Smart Solar Charge Controller for 12V 24V Systems

Name: Advanced 40A Smart Solar Charge Controller for 12V 24V Systems
Brand: Zhongshan Juneng Jiu Technology Co.,Ltd
SKU: 2212923065

Guangdong, ChinaZhongshan Juneng Jiu Technology Co.,Ltd

US$7.00-14.00

800 Pieces

Product profile

Customization

Available

Warranty

1 Year

Condition

New

Model NO.

JNJ-610

Certification

ISO, CE

Application

Solar System Controller

Rated Voltage

12V/24V

Rated Voltage(Va)

12/24V Auto

Rated Load Current(a)

10A/20A/30A/40A/50A/60A

Over Charge Current(V)

13.7V/*2 24V

Over Discharge Current(V)

10.5-11V/*2 24V

Transport Package

Box

Specification

18.5*11.7*5cm

Trademark

Junengjiu

Origin

Zhongshan, China

Production Capacity

50000

Key features

Wide Current Range Options: Available in 10A, 20A, 30A, 40A, 50A, and 60A rated load currents.

Dual Voltage Auto Detection: Automatically identifies and adapts to 12V or 24V system voltages.

Comprehensive Protection: Features overload, over-charge, and over-discharge protection for battery safety.

Multi-Battery Compatibility: Supports Lead-acid, Lithium, and Gel battery types for versatile applications.

Low Power Consumption: Empty load wastage is less than 45mA for efficient energy usage.

Temperature Compensation: -3mv/'C/cell compensation ensures optimal charging in varying temperatures.

CE & ISO Certified: Products meet international quality and safety standards with CE and ISO certification.

Customization Support: ODM services available with customization from designs and samples.

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: ≤2.43h

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 function of a solar charge controller?

It manages energy transmission between solar panels and batteries, preventing overcharging or over-discharging to extend battery life and optimize system efficiency.

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 operating points for maximum power output, offering higher efficiency for high-power or low-temperature systems.

Q:Which battery types are compatible with this controller?

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

Q:Does the controller have overload protection?

Yes, it automatically cuts off the output when the load current exceeds the rated value to protect the system from overload.

Q:How does the controller work at night?

At night, it stops charging and manages battery discharge to loads according to settings, preventing the battery from being over-discharged.