5V1A Charger Certified | USB Charger Product and Source Factory Introduction

In the batch matching of low-power electronic products such as smart wearables, security door magnets, Bluetooth earphones, and small appliances, the 5V1A (5W) USB charger is one of the most commonly used specifications. Choosing a charger that is truly certified, stable in quality, and directly supplied from the source factory directly affects device safety, export compliance, and brand reputation. Keyulong Technology Power introduces in detail the product features, certification advantages, and the comprehensive strength of the source factory for the 5V1A charger.

I. 5V1A USB Charger Product Introduction

The 5V1A charger produced by Keyulong Technology uses a USB-A standard interface, optimized for low-current devices, providing stable output and wide compatibility. Key product parameters are as follows:

• Output specification: 5V⎓1A (5W)

• Input voltage: 100-240V AC, 50/60Hz (China plug default 180-240V, wide voltage customizable)

• Standby power consumption: ≤0.1W (meets DoE VI / ERP Lot 7 Level VI energy efficiency)

• Voltage accuracy: ±5%

• Enclosure material: UL94 V-0 flame-retardant PC material, fire safety

• Protection functions: Overcurrent, overvoltage, short circuit, overtemperature multiple protections

• Plug types: China, US, EU, UK, Japan and many other options

The charger is compact (approx. 46×35.5×23mm) and weighs only 37g, does not block adjacent sockets when plugged in, suitable for smart bands, watches, smart locks, small IP cameras, USB fans, electric toothbrushes, children's toys and other devices.

II. Certified Advantages: Multi-country Certificates, Export Compliance

Keyulong's 5V1A charger has passed safety and energy efficiency certifications of major global markets, ensuring legal sale in many countries. Specific certifications include:

• China: CCC, CQC

• EU: CE (LVD+EMC), RoHS, ERP

• USA: UL, FCC, DoE VI

• Japan: PSE

• UK: UKCA

• Environmental directives: REACH, California 65

All certificates can be verified on official platforms (e.g., CCC certificate at cx.cnca.cn). Keyulong can provide certificate scans and test reports for corresponding models to assist customers in whole-unit certification or e‑commerce platform review. Before purchasing, be sure to check that the certificate status is "valid" and that the model and parameters match the physical product.

III. Source Factory Strength and Stock Supply

Keyulong Technology (Shenzhen Keyulong Technology Co., Ltd.) was founded in 2011 and is a source factory integrating R&D, production, sales and service for power adapters and chargers. The company is located in Shenzhen Bao'an and has an 8,000㎡ production site in Huizhou Boluo, with an annual capacity of 10 million units and over 150 employees.

The factory is equipped with more than 150 sets of production and testing equipment including AI insertion machines, wave soldering, ATE comprehensive testers, aging racks, oscilloscopes, load testers, strictly implements ISO9001:2015 quality management system, and adopts 8 full inspection processes (including ATE automatic testing), with a factory pass rate of 99.95% and annual failure rate below 0.05%.

As a source factory, Keyulong supports on‑site or video factory audits, with transparent pricing and no middleman markup. For 5V1A chargers, the company has large stock: white China/US plug, black US plug, MOQ 100 pieces, shipped within 24 working hours. Specific stock prices are as follows:

• China plug: price RMB 3.3/piece (excl. tax) for orders ≥1000 pieces; add RMB 0.2/piece for orders below 1000 pieces; plus 13% tax if VAT invoice required.

• US plug: price RMB 3.7/piece (excl. tax) for orders ≥1000 pieces; add RMB 0.2/piece for orders below 1000 pieces; plus 13% tax if VAT invoice required.

For non-stock standard specifications (China, EU, UK, etc.), MOQ 1000 pieces: EU plug unit price RMB 4.0 (excl. tax), UK plug unit price RMB 4.6 (excl. tax). For other special custom items, MOQ and price to be confirmed according to actual requirements.

OEM/ODM customization is accepted, including: enclosure color, laser engraving logo, packaging box, plug type, and deep certification cooperation. Standard customization MOQ 1000 pieces, samples can be sent within 24 hours, mass production delivery 15‑20 days; special customization to be negotiated separately.

IV. Application Scenarios and Selection Advice

5V1A charger is suitable for various low‑power electronic products with current requirement ≤1A. Common applications include:

• Smart wearables: smart watches, bands, kids' phone watches

• Security monitoring: small IP cameras, door magnetic sensors

• Digital accessories: Bluetooth earphones, MP3/MP4, e‑readers

• Network communication: low‑power routers, signal amplifiers

• Personal care: electric toothbrushes, shavers, beauty devices

• Small home appliances: USB fans, humidifiers, LED desk lamps, night lights

When purchasing, note that the device's rated current should be ≤ the charger's rated current (1A), and the voltage must match (5V). For customers needing multi‑country export, it is recommended to choose products with multiple plug types and corresponding certifications.

V. Why Choose Keyulong as Your 5V1A Charger Supplier?

• Direct source: Own 8,000㎡ production site, no middlemen, cost‑effective.

• Stable quality: 8 full inspections + ATE testing, factory pass rate 99.95%, annual failure rate

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• Flexible delivery: Stock items shipped within 24 hours, custom orders 15‑20 days, reserve 10% emergency capacity for strategic customers.

• After‑sales guarantee: 2‑year warranty, response within 2 hours, free EMC modification suggestions.

Keyulong Technology has served more than 3,000 enterprise customers worldwide, with a customer repurchase rate of 82%. For 5V1A charger samples, certification documents or bulk purchases, please contact us via official website, 1688 store or other official channels.