What is the lead time for orders?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

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We accept LC, T/T, and Western Union as payment terms.

High Quality 20A 30A 40A 12V/24V Auto Solar System Controller PWM Solar Charge Controller with Dual USB Double Keys Optional

Name: High Quality 20A 30A 40A 12V/24V Auto Solar System Controller PWM Solar Charge Controller with Dual USB Double Keys Optional
Brand: NINGBO KEMAPOWER ELECTRONICS CO., LTD.
SKU: 864091655

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.

HT30DU

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

12/24/48V

Color

Green

Transport Package

Safety Pack by Sea/Air/Express

Specification

188*125*48.5MM

Trademark

KEMAPOWER

Origin

China

HS Code

9032899090

Production Capacity

50000PCS/Year

Key features

Dual USB Charging Ports: 40A model includes dual USB chargers for convenient device charging.

LCD Display Monitoring: Real-time display of energy, fault codes, battery status, and charging details.

Multi-Stage Charging: 4-stage charging with adjustable parameters and temperature compensation.

Comprehensive Protection: Protects against overcharge, over discharge, overload, short circuit, and reverse polarity.

Flexible Load Modes: Selectable modes including Normal, Light Control, and Light plus Double Time Control.

Auto Voltage Detection: Automatically detects and works with 12V or 24V systems.

Computer Communication: Optional RJ45 interface allows for computer communication and monitoring.

Durable ABS Material: Constructed with high-quality ABS case material for safety and longevity.

Company profile

NINGBO KEMAPOWER ELECTRONICS CO., LTD.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-03-05Nearest Port: Ningbo, ChinaAverage Response Time: ≤9.88hTerms 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.