What communication interface does it use?

It features an RS485 communication interface with an RJ11 port.

Is customization available for this product?

Yes, customization options include samples, designs, full customization, and minor customization.

What is the operating ambient temperature range?

The operating ambient temperature range is -20 to +55 degrees Celsius.

High-Efficiency 20A Solar Charger for 12V, 24V, and 48V Systems

Name: High-Efficiency 20A Solar Charger for 12V, 24V, and 48V Systems
Brand: Guangdong Solarthon Technology Co., Ltd.
SKU: 2025415052

Guangdong, ChinaGuangdong Solarthon Technology Co., Ltd.

US$55.50

2 Pieces

Product specifications

STB

Sample price:US$55.50/piece.Request sample

Product profile

Customization

Available

After-sales Service

3years

Warranty

3years

Model NO.

STB

Condition

New

Certification

ISO, CB, CE

Application

Collector Controller, Solar System Controller, Charger Controller, Lighting Controller

Rated Voltage

12V / 24V

Maximum Charging Current

20A 40A 60A

System Voltage

12/24V Automatic Identification

MPPT Charging Voltage

<14.5/29V

Maximum Battery Voltage

35V

Overcharge Protection Voltage

10.0~32.0V(Lithium Battery, Default 14.4V)

Battery Type

Gel, AGM, Lead-Acid, Lithium (Default Gel Battery)

Maximum PV Voltage

100V(-20℃), 90V(25℃)

Maximum Input Power

520W/1040W

MPPT Tracking Range

Battery Voltage+1.0V)~Voc*0.9 *²

Output Current

30A

Operating Mode

Universal Controller (Default), Street Light Mode

Maximum MPPT Tracking Efficiency

>99.9%

Maximum Charging Conversion Efficiency

98.0%

IP Rating

IP32

Communication

RS485(Rj11 Port)

Transport Package

Cartons with Foam

Specification

196.5*136.6*97.1mm

Origin

China

HS Code

9405409000

Production Capacity

100000/Month

Key features

MPPT Technology: Automatically tracks maximum power point for up to 99.9% efficiency without user adjustment.

Wide Voltage Support: Supports 12V, 24V, and 48V systems with automatic identification and up to 100V PV input.

Multi-Battery Compatibility: Compatible with Gel, AGM, Lead-Acid, and Lithium batteries with customizable default settings.

High Efficiency: Delivers 98.0% charging conversion efficiency and over 99.9% MPPT tracking efficiency.

Comprehensive Protection: Features overcharge protection, reverse polarity protection, and short circuit protection.

Flexible Customization: Offers full customization, minor customization, and flexible options from samples or designs.

Long Warranty: Backed by a 3-year warranty and 3 years of after-sales service for peace of mind.

Smart Operating Modes: Includes universal controller, street light mode, and user manual mode for versatile applications.

Company profile

Exhibition ExperienceFast DeliveryPrivate Mold

Guangdong Solarthon Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Zhongshan PortAverage Response Time: ≤3.08h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturer with photovoltaic, new-energy, lighting, electronic-component, and related product activities. It reports six production lines, stated annual output for portable power stations, solar batteries, solar controllers, inverters, and solar panels, and valid manufacturing-capacity contracts with associated subcontractors. Customization, ODM, and OEM services are available, and the supplier states that it developed new products during the past year. However, no certification information, after-sales service capability, overseas agents or branches, overseas warehouses, or overseas showrooms is provided; it also reports no inventory capability and no available SDK. Financial information is present only as year references, without sufficient evidence to assess credibility. Customer cases are not identified, although OEM service for recognized brands is stated.

Supplier typeThe supplier is explicitly classified as a manufacturer. Its stated business scope covers photovoltaic equipment and components, new-energy power equipment, lighting products, electronic components, semiconductor lighting devices, and hardware products, indicating a manufacturing-oriented supplier with a broad related-product scope.

R&D capabilityThe supplier states that it had new products during the past year and provides ODM services. Its business scope also includes new-material technology research and development and technical development services. Conversely, it reports no available SDK, which limits evidence for software-development integration but does not negate the stated product and technical R&D capabilities.

Production capacityThe supplier reports six production lines, defined assembly and testing facilities, stated annual product outputs, and valid contracts with each associated subcontractor. It also reports lead times within 15 workdays in both peak and off-season, although the slices do not provide independent verification of capacity or delivery performance.

Customization capabilityCustomization is explicitly offered from samples and designs, including full, minor, and flexible customization. The same capability is repeated in the production-related information, providing direct evidence that the supplier supports multiple customization levels.