24.35 GBP
SONY adapter 19.5V 3.9A
Power adapter with 19.5V and 3.9A output, converting power for indoor use with 76W capacity and black design.
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Product Overview
The SONY adapter 19.5V 3.9A is a high‑performance power supply designed to deliver reliable and efficient energy to Sony laptops and portable devices that require a 19.5 volt input at up to 3.9 amperes. This adapter provides the exact voltage and current specifications needed for optimal device operation, ensuring stable performance during everyday use or demanding tasks.
Key Technical Specifications
- Output Voltage: 19.5 V DC
- Maximum Current: 3.9 A
- Power Rating: 76 W (calculated as 19.5 V × 3.9 A)
- Connector Type: 6.5 mm × 4.4 mm (standard Sony laptop power plug)
- Input Voltage Range: 100–240 V AC
- Input Frequency: 50/60 Hz
- Efficiency: Typically >80%, reducing heat generation and energy waste.
- Dimensions (approx.): 140 mm × 70 mm × 30 mm
- Weight: ≈250 g
Compatibility and Supported Devices
This adapter is engineered for Sony laptops that specify a 19.5 V, 3.9 A power input. Commonly supported models include:
- Sony VAIO E Series (e.g., SVE15138, VPCEA4S1E)
- VAIO V Series and other Sony notebooks with the same voltage/current requirement.
Always verify your device’s power specifications before connecting to avoid mismatches that could damage hardware or reduce battery life.
Design Features and Safety Enhancements
- Over‑Voltage Protection (OVP): Prevents excess voltage from reaching the laptop, safeguarding internal components.
- Short‑Circuit Protection (SCP): Automatically disconnects power if a short occurs, protecting both adapter and device.
- Over‑Current Protection (OCP): Limits current draw to 3.9 A, ensuring safe operation under load.
- Thermal Cut‑Off: Shuts down the unit if internal temperature exceeds safe limits.
- EMI/RFI Filtering: Reduces electromagnetic interference for cleaner power delivery and compliance with regulatory standards.
Installation Guide
- Check Compatibility: Confirm your laptop requires a 19.5 V, 3.9 A adapter.
- Locate the Power Port: Find the 6.5 mm × 4.4 mm power socket on your device.
- Connect the Adapter: Align the plug with the port and gently insert until fully seated.
- Secure Connection: Ensure a snug fit; the adapter should not wobble or pull away easily.
- Power On: Turn on your laptop to verify proper operation. Look for indicator lights or status messages confirming power reception.
Operational Tips and Best Practices
- Use the adapter in a well‑ventilated area to allow heat dissipation.
- Avoid placing heavy objects on top of the adapter, which could impede airflow.
- Keep the power cord free from kinks or sharp bends that may damage internal wiring.
- When traveling, use a surge protector or voltage converter if local mains supply differs significantly from 100–240 V AC.
Troubleshooting Common Issues
| Symptom | Possible Cause | Recommended Action |
|---|---|---|
| No power indicator on laptop | Loose connection or faulty plug | Re‑insert the adapter, check for debris in the port. |
| Laptop shuts down unexpectedly | Over‑current protection triggered due to high load | Verify that no peripheral draws excessive power; try a different outlet. |
| Adapter emits unusual heat or smell | Internal component failure or overload | Disconnect immediately and replace the adapter. |
| LED indicator flickers or is dim | Insufficient input voltage (e.g., low mains supply) | Check outlet voltage with a multimeter; use a regulated power source. |
Maintenance and Care Instructions
- Clean the adapter’s exterior with a dry, soft cloth. Avoid using liquids or abrasive materials.
- Inspect the cord and connector for wear; replace if frayed or damaged.
- Store in a cool, dry place when not in use to prolong lifespan.
Environmental Impact and Sustainability
The adapter’s high efficiency (>80%) reduces energy consumption compared to lower‑efficiency models. Its compact design minimizes material usage, and the components are chosen for recyclability where possible. By using a single, reliable power supply, users can reduce electronic waste associated with multiple adapters.
Frequently Asked Questions
- Can I use this adapter with other laptop brands?
- No. The voltage and connector size are specific to Sony laptops that require 19.5 V, 3.9 A.
- Is the adapter compatible with international power outlets?
- Yes. It accepts a wide input range of 100–240 V AC at 50/60 Hz, suitable for most global regions.
- What should I do if my laptop’s battery is not charging?
- Check that the adapter is properly connected and delivering power; verify the charger indicator light. If the issue persists, consult the device’s support resources.
Conclusion
The SONY adapter 19.5V 3.9A delivers dependable, high‑quality power tailored for Sony laptops that demand a precise voltage and current supply. With robust safety features, efficient operation, and straightforward installation, it is an essential accessory for maintaining device performance and longevity.
| This product in Comparor | |
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Category
This product is cataloged in our store in these categories
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- Chargers and adapters for laptops |
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International
Find this product in one of our international stores
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 41.51 EUR  52.22 EUR |
| Colors
Predominant colors of the product |
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| Identifiers | |
| Brand | EET EUROPARTS LTD EET Europarts Ltd. is a European distributor of spare parts and accessories for commercial vehicles. The company offers a wide range of products, including parts for trucks, trailers, buses, and cars. |
| Model | EET EUROPARTS LTD MBA1343 |
| MPN | EET EUROPARTS LTD MBA1343 |
| ID | 14089169 |
| Dimensions / Weight | |
| Key Features | |
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