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Portable Emergency Light DC to DC LED Power Supply
US$12.60-26.50
100 Pieces
Product profile
Customization
AvailableUsage
Light, Industry, Construction, Digital Products, VehicleOutput Type
SingleModel NO.
DHC040Driving Method
LED Constant CurrentCircuit Structure
Electronic Step-down TransformerCertification
TUV, CE, RoHS, ISO9001, CCCPower Supply Mode
Constant Current SourceModulation System
PWMIn-Out
Lifting Pressure TypePower Supply Voltage
10-30VDCPack Sealing Size
SMDEfficiency
94%Input Voltage
10-30VDCOver Voltage Protection
YesShort Circuit Protection
YesOver Temperature Protection
YesHigh Efficiency
up to 94%Selectable Dimming
100K Resistor/0~10V /PWM/No DimingWaterproof Rating
IP67Comply Standard
Comply to Worldwide Safety Regulations for LightinCooling
Cooling by Free Air ConvectionApplication
LED Lighting & Solar LightTransport Package
Standed Exporting CartonSpecification
40W DC Input Constant Current LED DriverOrigin
ZhejiangHS Code
8504401400Production Capacity
10000 PCS/MonthKey features
High Efficiency Up to 94%: Delivers up to 94% efficiency for optimal energy savings and performance.
IP67 Waterproof Rating: Fully isolated design with IP67 rating suitable for dry, damp, and wet locations.
Wide Input Voltage Range: Accepts input voltage from 10VDC to 30VDC (or 100-277VAC for specific models).
Comprehensive Protection Features: Includes under-voltage, over-voltage, short circuit, and over-temperature protection.
Selectable Dimming Function: Supports 0-10V, PWM, or resistor dimming for flexible lighting control.
Global Safety Compliance: Certified by TUV, CE, RoHS, ISO9001, and CCC for worldwide safety regulations.
Free Air Convection Cooling: Designed for efficient cooling without requiring forced air or fans.
OEM and ODM Services: Offers full, flexible, and minor customization from samples or designs.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤4.34h
AI-Powered supplier vetting
SummaryHANGZHOU UDWELLS TECHNOLOGY CO. Ltd. was founded in 2008 and reports a self-built plant exceeding 15,000 square meters, more than 10 production lines, Europe as a primary export market, and peak-season order fulfillment within 15 working days. It provides multiple customization options, ODM services, and has launched new products within the past year. The supplier also reports OEM service for well-known brands and quality assurance in its quality-control processes. However, no R&D audit documentation, SDK, approved-supplier list, written service procedures, corrective/preventive-action procedures, or complaint-handling procedures were available. Overseas warehouses, showrooms, agents or branches, and offline trade-show participation were not reported. Financial information is insufficient for a credibility judgment, and sustainability-related fire-drill and environmental-assessment status is unknown.
After-Sales capabilityTechnology engineers are responsible for technical support during production and after-sales service, but the supplier has no written procedures or records for effective service assessment, corrective and preventive actions, or customer complaint handling. It also has no overseas warehouse, showroom, agent, or branch, limiting evidence of structured or localized after-sales support.
R&D capabilityThe supplier reports new products within the past year, ODM capability, customization-related R&D services, and use of PS and CAD. It also reports OEM service for well-known brands. Countervailing evidence includes only one year of total R&D engineer experience, no available SDK, and no R&D design-input, output, review, verification, or validation documents for audit.
Production capacityThe supplier reports a self-built plant exceeding 15,000 square meters, more than 10 production lines, complete testing facilities, and peak-season order fulfillment within 15 working days. These explicit operating-scale and delivery statements support a production-capability advantage, although the number of quality-control staff is listed as unavailable.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, flexible customization, and minor customization. It also provides ODM services, demonstrating broad stated customization coverage.
Client casesThe supplier states that it provides OEM services for well-known brands and identifies Europe as a primary export market. These statements indicate some brand and export experience, but no customer names, project details, order references, or verifiable case documentation are provided.
Product Q&A
Q:What is the input voltage range?
A:
The standard models support 10-30VDC, while specific models like DHC-320SN(CD) support 100-277VAC.
Q:Is the product waterproof?
A:
Yes, it features an IP67 waterproof rating and is fully isolated for use in dry, damp, and wet locations.
Q:What protection features are included?
A:
It includes under-voltage protection, over-voltage protection, short circuit protection, and over-temperature protection.
Q:Can the brightness be adjusted?
A:
Yes, it offers selectable dimming functions via 0-10V, PWM, or a 100K resistor.
Q:What is the maximum efficiency?
A:
The driver achieves high efficiency of up to 94%.
Send Inquiry
*To:
Hangzhou Udwells Technology Co., Ltd.
Hangzhou Udwells Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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