External Power Adapter Dell 45W USB-C 4RYWW — 45W USB-C power supply for laptops and devices

Dell External Power Adapter 45W USB-C (model 4RYWW) is a compact USB‑C power supply that delivers up to 45 watts to compatible laptops, ultrabooks and other USB‑C devices. The adapter supports USB Power Delivery-compatible charging and is designed for everyday use and travel, offering a single USB‑C output in a small form factor for easy transport and straightforward connection.

Advantages

The adapter provides stable power delivery up to 45 W while maintaining a compact size that fits easily into a bag or briefcase. Its USB‑C output simplifies connectivity with modern laptops and peripherals that accept USB‑C power input. Built-in safety features protect connected devices from overcurrent and short-circuit conditions, and the adapter’s efficient design reduces heat generation during charging.

Suitable for

• Charging USB‑C compatible laptops and ultrabooks that accept up to 45 W input
• Powering tablets, smartphones and accessories that support USB‑C PD
• Use as a travel charger or secondary desktop power supply

Key specifications

• Output power: up to 45 W
• Output connector: USB‑C
• Input: mains AC (region-specific plug)
• Compatibility: USB Power Delivery–enabled devices and laptops supporting 45 W or lower input
• Form factor: compact, lightweight adapter designed for portability

How to use

Connect the adapter to a mains power outlet using the supplied or compatible region-specific power cord if required, then plug the USB‑C cable into the adapter’s USB‑C output and into the USB‑C charging port of the laptop or device. Ensure the target device supports USB Power Delivery and accepts up to 45 W charging. Charging begins automatically when a compatible device is connected; monitor device charging status through the device’s indicators or operating system notifications.

Recommendations

Use a high-quality USB‑C cable rated for power delivery to ensure safe and efficient charging. Avoid exposing the adapter to moisture or extreme temperatures and allow adequate ventilation to prevent overheating. For prolonged charging sessions or high-performance workloads that demand more power, verify device power requirements to ensure optimal operation.