Are samples free of charge?

Yes, we offer 1-3 free samples for testing, but you must bear the freight cost. For more than 3 samples, a fee may apply, which might be refunded upon your first formal order.

What is the lead time for production?

Samples are in stock. Bulk production takes 10-15 days after receiving the deposit.

Can I customize the product with my logo?

Yes, we support OEM/ODM services including silk print or heat transfer print of your logo on adapters and custom packaging.

5V3a AC DC Power Adapters with Efficiency Level VI

Name: 5V3a AC DC Power Adapters with Efficiency Level VI
Brand: Shenzhen Merryking Electronics Co., Ltd.
SKU: 822968005

Guangdong, ChinaShenzhen Merryking Electronics Co., Ltd.

US$2.35

500-1,999 Pieces

US$2.25

2,000-4,999 Pieces

US$2.15

5,000+ Pieces

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Usage

Laptop, Switching, Mobile Phone, Game Player, Digital Camera, Phone, Display

Output Type

AC or DC

Model NO.

MKS-0503000S

Certification

TUV, RoHS, ISO9001, CCC

Color

Black

Type

OEM/ODM

Internal Structure

On-Off Type

Power Source

Single End Type

Connection

Plug In

Bluetooth Standard

Brand

Merryking

No Load Power Consumption

0.3W Max at 115VAC/230VAC

Leakage Current

0.25 Ma at 230VAC

Efficiency (USA)

DOE VI, Cec VI

Warranty

2 Years Warranty

Protection

Ocp/Ovp/Otp/SCP

Input Voltage

100~240V 50/60Hz

Output Voltage

Output Current

3000mA

Power

15W

Product Name

5V3a AC DC Power Adapters

Transport Package

1PCS/Box, 110PCS/Carton

Specification

UL/CUL GS CE SAA FCC PSE RoHS

Trademark

MERRYKING

Origin

China

HS Code

85044019

Production Capacity

5 Million PCS /Year

Key features

High Efficiency Level VI: Complies with DOE VI, CEC VI, and NRCan standards for energy saving.

Comprehensive Safety Certs: Certified by UL, FCC, CE, GS, CB, PSE, SAA, and ISO9001 systems.

Full Protection System: Equipped with OCP, OVP, OTP, and SCP to ensure device safety.

OEM/ODM Customization: Supports custom logos, colors, packaging, and plug types (UK, AU, etc.).

100% Quality Testing: All units undergo 100% burn-in and aging tests before shipment.

Flexible Plug Options: Available with various DC plugs and international AC plug standards.

Fast Sample Delivery: Free samples (1-3 pcs) available with fast response from professional team.

Large Production Capacity: Monthly capacity of 500,000 pcs with 8 assembly lines and 9 aging stands.

Company profile

Years of Export ExperienceExperienced TeamExhibition Experience

Shenzhen Merryking Electronics Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2007-07-31Nearest Port: SHENZHEN, HONGKONG, GUANGZHOUAverage Response Time: ≤4.99hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, CIF, DDP, FCA, EXW, Others

AI-Powered supplier vetting

SummaryMerryking is identified as a professional adapter and electronics supplier with documented R&D, design, customization, quality-control, and after-sales capabilities. Evidence includes 3D software design, SDK availability, ODM/OEM services, recent new-product development, R&D documentation, seven QA/QC inspectors, traceability, certifications, and complaint-handling procedures. Production-related facilities and adapter/USB charger output categories are stated, but no quantified productivity is provided. The supplier lacks overseas warehouses, showrooms, and overseas agents or branches. Financial records are referenced for multiple years, but the provided information does not disclose sufficient non-financial evidence to assess financial credibility. Customer-related evidence indicates OEM service for popular brands, although no specific customer names or case details are provided.

Supplier typeThe supplier is explicitly described as a professional technical supplier involved in adapter production. Its profile also states ODM services, OEM services for popular brands, and R&D capability, supporting classification as a manufacturer-oriented technical supplier rather than only a trading intermediary.

CertificationsThe supplier is reported to hold or support product certifications including CE, RoHS, FCC, and other certifications. The specific scope, validity periods, and certificate documents are not provided, but the stated certification portfolio is positive evidence for this field.

After-Sales capabilityR&D engineers are responsible for technical support during production and after-sales service, while the company overview mentions an after-sales service system. The supplier also has a clear customer-complaint procedure with followed records, indicating a documented after-sales response process.

R&D capabilityThe supplier provides 3D software design, has SDK availability, performs new-product development, and reported new products during the past year. R&D engineers handle customer requirement confirmation and technical development, and related design input, output, review, verification, and validation documents are available for audit.

Production capacityThe supplier produces adapters and identifies power adapters and USB chargers as productivity categories. Its stated facility capabilities include aging testing, ATE testing, heat-shrink packaging, laser marking, and wave soldering, and seven QA/QC inspectors are reported. No production-volume figures are provided, so capacity scale cannot be quantified.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. ODM service availability and 3D design capability further support its ability to handle customized product development.

Client casesThe supplier states that it provides OEM services for popular brands, which is evidence of experience serving branded customers. No brand names, project descriptions, order details, or verifiable case studies are supplied, so the depth and relevance of customer cases remain limited.

Product Q&A

Q:What is the minimum order quantity (MOQ)?

Generally, the MOQ is 1000 PCS per model. We can discuss details for special requirements, such as large total orders with small quantities per model.

Q:What is the warranty period for the product?

We offer a 2-year warranty. We focus on high quality to help clients expand their markets and maintain long-term business partnerships.

Q:What payment methods are accepted?

We accept T/T, L/C, Western Union, PayPal, and Escrow for payment.

Q:How can I get detailed specifications and price lists?

We have specifications, catalogues, and price lists for each model. Please contact us via the provided methods for detailed information.

Q:What are the shipping methods available?

Samples are sent via DHL, UPS, FedEX, TNT, or EMS. Bulk goods are shipped by sea or air. We can also send to your forwarder in China to save costs.