Can you provide factory test reports for the products?

Yes, please inform us in advance.

Can you provide product samples?

Absolutely. However, you will need to bear the shipping cost or provide a freight collect account.

SMUN Waterproof 24VDC to 13.8VDC 20A 276W DC DC Buck Converter

Name: SMUN Waterproof 24VDC to 13.8VDC 20A 276W DC DC Buck Converter
Brand: Zhejiang Ximeng Electronic Technology Co., Ltd.
SKU: 808196695

Zhejiang, ChinaZhejiang Ximeng Electronic Technology Co., Ltd.

US$9.50

1-9 Pieces

US$8.50

10-49 Pieces

US$8.00

50-99 Pieces

US$7.00

100+ Pieces

Sample price:US$9.50/piece.Request sample

Product profile

Customization

Available

Usage

Light, Industry, Construction, Digital Products, Vehicle

Certification

CE, RoHS

Model NO.

SDJ-24S13R820

In-Out

Step-down Type

Power Supply Voltage

18-36VDC

Brand

SMUN

Output Rated Power

276W

Output Voltage

13.8V

Output Current

20A

Efficiency

up to 95%

Waterproof

IP68

Working Temperature

-40°c to +80°c

Warranty

1 Year

Weight

280g

Have in Stock

Yes

Transport Package

Carton Packed

Specification

74*74*32mm

Trademark

smun

Origin

China, Zhejiang

HS Code

8504401400

Production Capacity

50, 000 Per Month

Key features

High Efficiency Output: Efficiency up to 95% at half load and 94% at full load.

IP68 Waterproof Rating: Fully waterproof and anti-shock protection for harsh environments.

Wide Input Voltage Range: Accepts input voltage from 18V to 36V DC for stable operation.

Comprehensive Protection: Includes over-current, over-voltage, over-temperature, overload, and short-circuit protection with auto-recovery.

Durable Construction: Die-cast aluminum shell with epoxy potting for superior heat dissipation and durability.

Long Service Life: Designed for a lifetime of up to 100,000 hours of operation.

Compact and Lightweight: Ultra-compact size of 74x74x32mm and weight of 280g for easy installation.

Full Power Stability: Guarantees 100% full power and stable current output under all conditions.

Company profile

Years of Export ExperienceIn-stock CapacityFast DeliveryQuality Assurance

Zhejiang Ximeng Electronic Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤7.13h

AI-Powered supplier vetting

SummaryThe supplier presents itself as a professional technology supplier with 3D software design, R&D, ODM, and broad customization capabilities. It reports ISO9001:2015 certification, documented procedures for supplier service assessment, corrective actions, and complaint handling, and standardized finished-product inspection instructions. Innovation evidence includes new products within the past year and ongoing equipment and product updates. Export experience is stated as 16 years, with peak- and off-season lead times within 15 working days. However, the supplier reports no valid import/export license, no overseas warehouse, showroom, agent, or branch, no SDK, and no OEM service for popular brands. Financial credibility and customer cases cannot be adequately assessed from the provided information.

Supplier typeThe supplier is identified as a professional technology supplier and a combined-type limited company. It has 77 employees and reports no affiliation with a larger company group, but its specific manufacturing or trading classification is not fully clarified.

CertificationsThe supplier reports holding an ISO9001:2015 certificate, providing explicit evidence of a recognized quality-management-system certification.

After-Sales capabilityThe supplier has documented and followed procedures for handling customer complaints and corrective/preventive actions. However, it reports no overseas warehouse, showroom, agent, or branch, and lists zero countries offering overseas services, so direct overseas after-sales coverage is limited in the provided evidence.

R&D capabilityThe supplier reports professional R&D capability, 3D software design services, new products within the past year, ODM services, equipment updates, and continuous product development. It does not provide an SDK and does not offer OEM services for popular brands, but these limitations do not negate the documented general innovation capability.

Production capacityEvidence includes ISO9001:2015 certification, continuous equipment updates, standardized finished-product inspection instructions, export experience of 16 years, and stated peak- and off-season lead times within 15 working days. Production capacity metrics, factory equipment details, and output volumes are not provided, so the assessment is limited to documented process and delivery indicators.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also reports 3D design and ODM services. This indicates broad design-to-product customization capability.

Product Q&A

Q:Are you a manufacturer?

Yes, we are a professional manufacturer and supplier of AC-DC switching power supplies, DC-DC converters, DC-AC inverters, AC-AC transformers, EMI filters, PLC amplifier boards and sensors.

Q:Do you provide OEM/ODM services?

Yes, please let us know your requirements when placing an order.

Q:Can you provide non-standard customization services?

Yes, please let us know your requirements when placing an order.

Q:What is your warranty policy?

Different products have a warranty period ranging from 1 to 5 years, valid from the date you receive the goods.

Q:How to handle product quality issues?

Please inform us of the product failure details. After verification, we will offer a refund or arrange a reshipment.