Is there an LCD display on the controller?

Yes, it features a humanized LCD display with double button operation for user-friendly interface.

What certifications does the product have?

The product is certified with CE, RoHS, and FCC standards.

With Four USB Ports 12V/24V 30A Solar Charging Controller

Name: With Four USB Ports 12V/24V 30A Solar Charging Controller
Brand: Guangzhou Congsin Electronic Technology Co., Ltd
SKU: 2007329845

Guangdong, ChinaGuangzhou Congsin Electronic Technology Co., Ltd

US$13.96

20-99 Pieces

US$12.58

100-199 Pieces

US$11.43

200+ Pieces

Sample price:US$13.96/piece.Request sample

Product profile

Customization

Available

After-sales Service

12 Months

Warranty

12 Months

Model NO.

CSB-30AUSB

Condition

New

Certification

Application

Water Heater Controller, Solar System Controller, Charger Controller, Lighting Controller, Wind Controller, Solar Working Station, Voltage Controller

Rated Voltage

12V

Input Voltage

12V/24V

Color

Yellow

USB Ports

4pcs

Charging Current

30A

Transport Package

Carton Box

Specification

168*92*41.5mm

Trademark

CONGSIN

Origin

Guangzhou China

HS Code

8504409940

Production Capacity

999 Pieces/Months

Key features

Intelligent PWM Charging: Optimized 3-stage PWM charging process ensures long battery life and improved system performance.

Auto Voltage Recognition: Automatically identifies 12V or 24V system voltage for seamless operation in off-grid solar systems.

Comprehensive Protection: Features over-voltage, short circuit, over-load, reverse connection, and over-discharge protection.

LCD Display & Control: Humanized LCD interface with double button operation for easy setup, modification, and monitoring.

Data Recording Function: Records total run time, error timers, and full charge cycles for accurate system maintenance.

Temperature Compensation: Accurately corrects charging and discharging voltage based on temperature to extend battery lifetime.

Multi-Function Load Control: Supports timer functions for street lights and selectable load control modes for diverse applications.

RS485 Communication: Optional RS485 interface allows for advanced monitoring and integration with other system components.

Company profile

Guangzhou Congsin Electronic Technology Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2001-04-01 CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤18h CertifiedTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryGuangzhou Congsin Electronic Technology Co., Ltd is a China-based limited company established in 2021 with 54 employees and a 925 m² manufacturing site in Guangdong. It operates four production lines, has 11–20 quality-control staff, and produces power inverters, solar charge controllers, and related products. The supplier states that it exports to more than 40 countries and that exports represent 90% of total sales. It reports OEM/ODM capability, two years of R&D engineer experience, automatic wave soldering and multifunction testing equipment, and a one-year warranty for power inverters. However, no supplier-management-system certifications are listed. The provided information supports production, export, customization, and after-sales claims, while financial credibility and customer-case strength remain insufficiently evidenced. Reported output figures contain inconsistent entries, so production scale should be verified before reliance.

Supplier typeThe supplier is identified as Guangzhou Congsin Electronic Technology Co., Ltd., a China-based limited company established in 2021. It reports a 925 m² manufacturing plant, four production lines, and business activities spanning manufacturing, electrical and electronic products, and consumer electronics, supporting classification as a manufacturer rather than only a trading intermediary.

CertificationsThe supplier-management-system certification field is explicitly recorded as NIL. No certification evidence is provided in the available information, indicating a documented gap for this field.

After-Sales capabilityThe supplier explicitly describes itself as a reliable power-inverter supplier offering a one-year warranty. This is direct evidence of a defined warranty-based after-sales commitment, although no further service-process or response-time details are provided.

R&D capabilityThe supplier reports an R&D department, professional engineer support, OEM/ODM project capability, automatic wave soldering machines, and multifunction testing machines. However, only two years of total R&D engineer experience is stated, and no patents, proprietary technologies, or product-development results are provided.

Production capacityThe supplier reports four production lines, 11–20 quality-control staff, product-specific output information, and fulfillment within 15 working days in both off-peak and peak seasons. The output data contains inconsistent and unusually large entries, so production capacity is supported in principle but requires verification.

Customization capabilityThe supplier explicitly states that its R&D department supports OEM and ODM projects and that it has professional engineer support. Its stated export experience across more than 40 countries further indicates experience serving varied markets, although specific customization examples are not provided.