Laptop power adapter extra digital SO40R4817 40W 10.5V 3.8A for compatible Sony laptops

The extra digital SO40R4817 40W laptop power adapter delivers 10.5V at 3.8A to supply compatible Sony laptops with stable charging and operation. Designed as a replacement or spare adapter, it supports everyday use at home, in the office, or while travelling. The compact form factor and consistent output help maintain battery charge and enable device use under the specified voltage and current.

Advantages

This adapter provides a fixed 10.5V output and 3.8A current for reliable power delivery and safe charging when used with compatible Sony laptop models. Its 40W rating balances power and portability, and the compact design reduces bulk in bags. Built to deliver stable voltage under normal conditions, it helps prevent unexpected shutdowns and supports continued laptop operation during charging.

Suitable for

• Replacing a lost or damaged original charger for compatible Sony laptops
• Carrying as a spare adapter for travel or commuting
• Using at home or in the office to maintain battery level during work

Key specifications

• Output power: 40W
• Output voltage: 10.5V
• Output current: 3.8A
• Connector type: compatible with specified Sony laptop power input
• Design: compact, travel-friendly

How to use

Confirm that your laptop model is compatible with a 10.5V, 3.8A power supply before connecting this adapter. Connect the adapter to the laptop power input and plug the AC mains lead into a suitable outlet. The adapter will supply power and charge the battery while the laptop is in use. Disconnect the adapter from mains power and the laptop when not in use or during prolonged storage to reduce power draw.

Recommendations

Use the adapter only with devices rated for 10.5V and up to 3.8A. Avoid using the adapter in damp or excessively hot environments, and inspect the cable and connector periodically for damage. If the adapter becomes unusually hot or shows visible damage, discontinue use and replace it.