5V2A USB Charger with CN/US/EU/UK/JP Specifications | USB Charger Head Product & Original Factory Overview

In the batch supporting of electronic products such as smart wearables, security door sensors, Bluetooth speakers, tablets, and small home appliances, the 5V2A (10W) USB charger head is the mainstream choice that balances charging speed and compatibility. Choosing a truly certified, stable-quality, original-direct-supply charger directly affects product safety, export compliance, and brand reputation. Keyulong Technology provides a detailed introduction to the product features, certification advantages, and comprehensive strength of the original factory for 5V2A chargers.

1. Product Introduction of 5V2A USB Charger Head

The 5V2A charger produced by Keyulong Technology uses a USB-A standard interface, optimized for devices requiring higher current (≤2A), with stable output and wide compatibility, and is backward compatible with 1A devices. Key product parameters are as follows:

• Output: 5V⎓2A (10W)

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

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

• Voltage accuracy: ±5%

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

• Protection: over-current, over-voltage, short-circuit, over-temperature multi-protection

• Plug types: Chinese, US, EU, UK, Japanese, etc. available

The charger is compact (approx. 46×35.5×23mm), weighs only 38g, and does not block adjacent sockets when plugged in. It is suitable for powering smartphones, tablets, Bluetooth speakers, smart locks, IP cameras, USB fans, e-cigarettes, beauty devices, children's toys, and is also backward compatible with low-current devices.

2. Certification Advantages: Multi-country Certificates, Export Compliance

Keyulong 5V2A chargers have passed safety and energy efficiency certifications in major global markets, ensuring legal sales in multiple countries. Specific certifications include:

• China: CCC,

• EU: CE (LVD+EMC), RoHS, ERP

• USA: UL, FCC, DoE VI, CEC

• Japan: PSE

• UK: UKCA

• Environmental directives: REACH, California 65

All the above certifications can be verified on official platforms (e.g., CCC certification at cx.cnca.cn). Keyulong can provide certificate copies and test reports for corresponding models to assist customers with whole-device certification or e‑commerce platform reviews. Before purchasing, please verify that the certificate status is "valid" and that the model parameters match the actual product.

3. Original Factory Strength and Stock Availability

Keyulong Technology (Shenzhen Keyulong Technology Co., Ltd.) was established in 2011 and is an original factory integrating R&D, production, sales, and service for power adapters and chargers. The company is located in Bao'an, Shenzhen, with an 8000㎡ production site in Boluo, Huizhou, an annual capacity of 10 million units, and over 150 employees.

The factory is equipped with over 150 sets of production and testing equipment, including AI plug-in machines, wave soldering, ATE comprehensive testers, aging racks, oscilloscopes, and load testers. It strictly implements the ISO9001:2015 quality management system and adopts 8 fully-inspected processes (including ATE automated testing), achieving a 99.95% pass rate and an annual failure rate below 0.05%.

As an original factory, Keyulong supports on-site or virtual factory inspections, with transparent pricing and no middleman margins. For 5V2A chargers, the company maintains substantial stock: white and black US/Chinese plugs, white EU plugs, MOQ 100 pieces, and shipment within 24 working hours. Specific stock prices are as follows:

• Chinese plug: above 1000pcs 4.0 RMB/pc (ex-tax), below 1000pcs add 0.2 RMB per pc, with tax add 13%.

• US plug: above 1000pcs 4.6 RMB/pc (ex-tax), below 1000pcs add 0.2 RMB per pc, with tax add 13%.

• EU plug: above 1000pcs 4.8 RMB/pc (ex-tax), below 1000pcs add 0.2 RMB per pc, with tax add 13%.

Non-stock conventional types (EU, UK, etc.) support MOQ of 1000pcs: EU plug 4.8 RMB/pc ex-tax, UK plug 5.2 RMB/pc ex-tax. For other special customizations, the MOQ and price will be confirmed separately according to actual requirements.

OEM/ODM customizations are accepted, including housing color, laser-engraved logo, packaging box, plug type, and in-depth certification support. Standard customization MOQ is 1000pcs, samples can be sent within 24 hours, mass production lead time 15‑20 days; customized orders will be quoted separately based on details.

4. Application Scenarios and Matching Products (5V2A Exclusive)

The 5V2A (10W) charger is a comprehensive upgrade over 5V1A, offering faster charging speed and more power headroom while maintaining broad compatibility. It is particularly suitable for the following product scenarios:

• Mobile smart devices: large-screen smartphones, iPads/Android tablets, e-readers – charging speed twice as fast as 1A, reducing waiting time;

• Audio & video: high-power Bluetooth speakers, portable CD players, wireless earbud charging cases, projector companions;

• Networking & communication: high-performance Wi-Fi routers, 4G/5G CPE terminals, network switches – ensuring stable power supply during high‑traffic transmission without disconnection;

• Smart home & security: video doorbells, smart peepholes, large-screen smart locks, PTZ cameras, robot vacuum docking stations;

• Personal care & health: fascia guns, electric shavers, water flossers, beauty devices, UV sterilizer boxes;

• Backup power peripherals: charging power banks (portable chargers) with optimal input current, effectively shortening recharge time.

Selection and matching recommendations:

• Backward compatible, one for all: The 5V2A charger is fully compatible with all old 5V1A devices (devices draw current as needed, no overcharge or damage), meaning you only need one charger to cover everything from low‑power wearables to large tablets, greatly simplifying BOM management.

• Long cable compensation advantage: When paired with data cables longer than 1.5 meters, the 2A output provides better voltage compensation, ensuring the end device receives stable 5V and reducing intermittent charging caused by voltage drop.

• Export market preference: According to e‑commerce platform sales data (e.g., Amazon, AliExpress), the 5V2A specification is one of the best‑selling and most highly rated models in Europe and the US, with market demand far exceeding that of 1A – making it the "golden specification" for OEM/ODM customers going global.

5. Why Choose Keyulong as Your 5V2A Charger Supplier?

• Direct from original factory: Own 8000㎡ production site, no middlemen, cost‑effective.

• Stable quality: 8 fully‑inspected processes + ATE testing, 99.95% pass rate, annual failure rate<0.05%.>

• Flexible lead time: stock ships within 24h, custom orders 15‑20 days, with 10% emergency capacity reserved for strategic clients.

• After‑sales support: 2‑year warranty, 2‑hour response, free EMC improvement suggestions.

Keyulong Technology has served over 3,000 enterprise clients globally, with a customer repurchase rate of 82%. For 5V2A charger samples, certification documents, or bulk purchases, please contact us via our official website, 1688 store, or other official channels.