How about sample? For free?

YES! Generally we offer 1-3PCS sample(s) for your test FOR FREE, but you need to bear the freight cost. If your sample quantity is more than 3PCS, we will charge some sample fee, and we might return it when you place your first formal order as we discuss ahead. Welcome to send inquiry.

5V 3A Power Adapter USB 12V 500mA DC Power Supply

Name: 5V 3A Power Adapter USB 12V 500mA DC Power Supply
Brand: Shenzhen Merryking Electronics Co., Ltd.
SKU: 1910672405

Guangdong, ChinaShenzhen Merryking Electronics Co., Ltd.

US$2.00-3.00

1,000 Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Usage

Switching, Mobile Phone, Game Player, Digital Camera, Phone, Display, CCTV Camera, Guitar, Speaker, Vacuum Cleaner

Output Type

Model NO.

MKE-0503000DEXU

Certification

TUV, RoHS, ISO9001, CCC, FCC, PSE, GS

Color

Black or White

Type

OEM ODM Acceptalable

Internal Structure

On-Off Type

Connection

Plug In

Brand

Merryking or Your Logo

Transport Package

1PCS in PE Bag, Then Put Into White Box

Specification

5V 3A

Trademark

Merryking

Origin

Shenzhen, China

HS Code

850440

Production Capacity

800000 PCS / Month

Key features

Multi-Certification Compliance: Certified by TUV, RoHS, ISO9001, CCC, FCC, PSE, and GS for global safety standards.

Flexible OEM/ODM Service: Accepts OEM and ODM orders with customizable logo and packaging options.

Wide Application Range: Suitable for mobile phones, game players, cameras, CCTV, speakers, and vacuum cleaners.

3-Year Warranty Coverage: Provides a 3-year warranty to ensure product quality and long-term business partnership.

Free Sample Availability: Offers 1-3 free samples for testing, with freight cost covered by the buyer.

Multiple Payment Options: Accepts T/T, L/C, Western Union, and PayPal for convenient transaction processing.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods.

Versatile Input Voltage: Supports AC/DC input with voltages including 5V, 6V, 12V, and 24V options.

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: ≤5.54hTerms 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 your MOQ?

Generally our MOQ for each model is 500PCS, we can discuss in details if you have special requirements, like big quantity for the whole order but small quantity for each model.

Q:How about the warranty of your product?

Generally we offer 3-year warranty for our products. Quality is the most important for long-term business partnership, and it is also our company aim to offer high quality and guaranteed products to help our clients expand their target markets.

Q:How can I finish my payment?

T/T, L/C, Western Union are all acceptable, PayPal is also OK.

Q:How can I get detailed specifications about this product? Do you have catalogue and price list?

We have all the specifications, catalogues and price lists for each model. Welcome to contact us for detailed information via the contact ways mentioned below anytime!

Q:What is shipping method?

Samples will be sent via DHL, UPS, FedEX, TNT, EMS, etc. while bulk goods will be sent by sea or air. If you have familiar forwarders in China, we can send our goods there to save your cost.