What safety protections are included?

It includes over voltage protection, short circuit protection, and input protection.

What is the warranty period?

We provide a one-year warranty for this power supply unit.

What is the energy efficiency level?

The product meets LEVEL VI energy efficiency standards.

Cn Standard 9V 3A 30W Power Supply

Name: New Products Interchangeable Plug Adapter EU/Us/UK/Au/Cn Standard 9V 3A 30W Power Supply
Brand: Shenzhen KeYing HengYe Technology Co., Ltd.
SKU: 1962913345

Guangdong, ChinaShenzhen KeYing HengYe Technology Co., Ltd.

US$5.00-6.00

1,000 Sets

Sample price:US$8.00/set.Request sample

Product profile

Customization

Available

Usage

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

Output Type

AC or DC

Model NO.

QW090-030-AI

Certification

TUV, RoHS, ISO9001, CCC, CE

Color

Black/White

Type

OEM

Internal Structure

On-Off Type

Power Source

Single End Type

Connection

Plug In

Bluetooth Standard

Brand

Quawin/OEM

Input Voltage

90-264VAC 47/63Hz

Plug-in Type

Yes

Delivery Date

25-35days

Warranty

One Year

Output Voltage

Output Current

Output Power

27W

Transport Package

PE+Inner Box+Carton

Specification

71.2 * 43.2 * 29mm

Trademark

QUAWIN/OEM

Origin

Guangdong China (Mainland)

HS Code

8504401400

Production Capacity

500000 PCS/Month

Key features

Interchangeable Plug Standards: Supports EU, US, UK, AU, and CN plug standards for global compatibility.

Wide Input Voltage Range: Accepts 90-264VAC 47/63Hz for stable operation across different regions.

Comprehensive Safety Certifications: Certified by CE, UL, FCC, SAA, RCM, PSE, KC, CCC, GS, CB, TUV, RoHS, and ISO9001.

High Energy Efficiency: Meets LEVEL VI energy efficiency standards with low ripple and noise.

Multiple Safety Protections: Features over voltage, short circuit, and input protection for device safety.

Customizable OEM Service: Offers OEM type manufacturing with customizable input voltage and plug-in types.

Flexible Delivery Options: Sample delivery within 10 workdays; bulk order delivery in 25-35 days.

One Year Warranty Coverage: Provides a one-year warranty for mechanical defects and component failures.

Company profile

Shenzhen KeYing HengYe Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2006-01-01Nearest Port: Shenzhen PortAverage Response Time: ≤8.26hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CIF, EXW

AI-Powered supplier vetting

SummaryShenzhen KeYing HengYe Technology Co., Ltd. is identified as a Chinese limited company operating as a trading company, manufacturer/factory, and group corporation. It offers batteries, chargers, BMS/PCM products, and related electronics, with three production lines, 6–10 years of R&D engineer experience, and exports accounting for 90% of sales. The supplier reports quality-control procedures, ISO 9000, ISO 9001, and BSCI certifications, broad export coverage, and experience exporting since 2006. It states that it provides after-sales service and has received a good reputation in multiple regions, but the evidence does not quantify service performance or identify specific customer cases. Production and customization capabilities are only partially documented.

Supplier typeThe supplier is explicitly classified as a trading company, manufacturer/factory, and group corporation. It is a limited company based in Shenzhen, Guangdong, China, indicating a mixed manufacturing and trading structure.

CertificationsThe supplier reports holding BSCI, ISO 9000, and ISO 9001 certifications. These stated management-system certifications provide explicit evidence of formal compliance and quality-management practices.

After-Sales capabilityThe supplier explicitly emphasizes completed after-sales service, thoughtful service, and a goal of 100% customer satisfaction. However, no service staffing, response-time, warranty, or claims-handling metrics are provided.

R&D capabilityThe supplier reports 6–10 years of total R&D engineer experience and offers products including BMS/PCM, LiFePO4 battery packs, chargers with communication, and other battery solutions. These facts indicate product-development resources, but there is no direct evidence of patents, proprietary technology, or documented innovation outcomes.

Production capacityThe supplier operates three production lines and states that quality control covers incoming main boards, spare parts, and the full production process. It also reports a broad battery and charger product range, but capacity utilization, facility scale, and output details sufficient for a full capacity assessment are not established.