Is there a USB charging port available?

Yes, the controller includes a 2*1A USB charger for charging mobile devices and other small electronics.

Solar Controller PWM Durable 10A/20A 12V 24V Auto PWM Speed Controller

Name: Solar Controller PWM Durable 10A/20A 12V 24V Auto PWM Speed Controller
Brand: NINGBO KEMAPOWER ELECTRONICS CO., LTD.
SKU: 864098885

Zhejiang, ChinaNINGBO KEMAPOWER ELECTRONICS CO., LTD.

US$6.78-10.66

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

Condition

New

Certification

ISO, CB, CE

Application

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

Rated Voltage

48V

Transport Package

Safety Pack by Sea/Air/Express

Specification

green color

Trademark

KEMAPOWER / OEM

Origin

China

HS Code

9032899090

Production Capacity

50000PCS/Year

Key features

Wide Voltage Compatibility: Supports 12V, 24V, and 48V systems with automatic recognition for 12/24V and fixed 48V options.

Multi-Battery Type Support: Compatible with Sealed, GEL, Flood, and User-defined battery types with preset charging parameters.

Advanced Protection System: Features over-current, reverse polarity, over-charge, over-discharge, short circuit, and temperature protection.

Smart LCD Display: Real-time monitoring of energy capacity, fault codes, battery status, PV output, and charge/discharge details.

Flexible Load Control: Selectable Time and Light Control functions for street lights, with regular, light, or combined modes.

Dual USB Charging: Built-in 2*1A USB ports for convenient charging of mobile devices and small electronics.

Computer Communication: Optional RJ45 interface allows for computer communication and advanced data management.

Company profile

NINGBO KEMAPOWER ELECTRONICS CO., LTD.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-03-05Nearest Port: Ningbo, ChinaAverage Response Time: ≤8.86hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as a Ningbo-based trading company associated with wholesale and retail, while other records describe factory facilities including five production lines, six to ten quality-control staff, and exports to Southeast Asia, the Middle East, and North America. It reports CE or UL certification for most products, annual customer training, 24/7 online technical service, after-sales support, OEM/ODM services, and new product development. However, formal procedures and records for supplier service assessment, corrective actions, and complaint handling are absent. The supplier has no overseas warehouse, showroom, agent, or branch, and no SDK availability. Sustainability documentation and fire-drill status are unknown. Financial credibility cannot be assessed from the provided year labels alone.

CertificationsThe supplier states that most products have passed CE or UL certification, while its supplier-management-system certification is recorded as “Others.” The evidence supports product-level certification claims but does not identify a specific management-system certificate or coverage for all products.

After-Sales capabilityThe supplier advertises reliable after-sales guarantees, annual customer help and training, 24/7 online technical service, and stated peak/off-season lead times. Nevertheless, it has no written procedures or records for complaint handling, service-capability assessment, or corrective and preventive actions, which is an explicit process deficiency.

R&D capabilityThe supplier reports new-product development during the past year and provides ODM services, demonstrating product-development and design-manufacturing capability. It also reports no available SDK, so software-development support is not evidenced.

Production capacityThe supplier reports five production lines, six to ten quality-control staff, Ningbo factory-related location information, and lead times of within 15 working days off-season and one month during peak season. These details support established production operations, although annual output data is excluded from this assessment because it is monetary information.

Customization capabilityThe supplier explicitly offers customized products, low MOQ service, ODM services, and OEM services for well-known brands. This is direct evidence of both product customization and contract manufacturing capability.

Product Q&A

Q:What voltage systems does this controller support?

The controller supports 12V, 24V, and 48V systems. It features automatic recognition for 12V and 24V, while 48V models operate at fixed 48VDC.

Q:What types of batteries are compatible?

It is compatible with Sealed, GEL, Flood, and User-defined battery types, with preset charging parameters for each.

Q:Does it have protection against reverse polarity?

Yes, it includes reverse polarity protection for the solar panel, battery, and DC load, as well as protection against over-charge, over-discharge, and short circuits.

Q:Can I control the load based on time or light?

Yes, the Time and Light Control function is selectable, allowing you to choose between regular mode, light control mode, or a combination of both for applications like street lights.

Q:What is the warranty period for this product?

The product comes with a 1-year warranty and after-sales service.