How does a solar controller work at night?

At night, it stops charging and manages battery discharge to the load according to settings, preventing over-discharge.

High-Efficiency 12V/24V PWM Solar Charge Controller for Optimal Cooling

Name: High-Efficiency 12V/24V PWM Solar Charge Controller for Optimal Cooling
Brand: Zhongshan Juneng Jiu Technology Co.,Ltd
SKU: 2194087105

Guangdong, ChinaZhongshan Juneng Jiu Technology Co.,Ltd

US$7.00

800 Pieces

Product profile

Customization

Available

Condition

New

Certification

ISO, CE

Model NO.

1010

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

PWM Technology: Efficiently manages power transmission between solar panels and batteries.

Dual Voltage Support: Compatible with 12V and 24V systems for versatile application.

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

Multiple Battery Types: Supports lead-acid, lithium, and gel batteries.

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

Night Mode Management: Stops charging at night and manages discharge to prevent over-discharge.

Customization Available: Offers customization from designs and samples.

Certified Quality: Product certified with ISO and CE standards.

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 a solar controller?

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

Q:What is the role of a solar controller?

It performs charging management, discharge protection, load control, and system monitoring to ensure safe and efficient operation.

Q:What is the difference between a PWM controller and an MPPT controller?

PWM controllers reduce voltage directly with lower efficiency, suitable for small systems. MPPT controllers maximize output power dynamically, offering higher efficiency for high-power or low-temperature systems.

Q:What types of batteries can a solar controller be used with?

Most controllers support lead-acid (sealed/open), lithium (lithium iron phosphate, ternary lithium), and gel batteries.

Q:Does a solar controller have overload protection?

Yes, most solar controllers automatically cut off output when load current exceeds the rated value to protect the system.

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High-Efficiency 12V/24V PWM Solar Charge Controller for Optimal Cooling