AC adapter Lenovo 45W USB-C W125794798 — 45W USB-C power adapter for laptops and compatible devices

The Lenovo 45W USB-C AC adapter supplies up to 45 watts of power through a single USB-C output, designed to charge compatible laptops, tablets and mobile devices. Its compact form factor and USB Power Delivery compatibility make it suitable for everyday charging needs at home, in the office or on the move. The adapter provides a straightforward power source for devices that accept USB-C input, offering stable voltage and current for typical portable computing tasks.

Advantages

This 45W USB-C power adapter supports USB Power Delivery protocols for automatic negotiation of voltage and current with compatible devices, reducing the need for device-specific chargers. Its compact and lightweight design simplifies transport and storage, while a single USB-C port keeps connections simple and universal. The adapter is engineered to deliver consistent output suitable for charging laptops with moderate power requirements as well as smaller devices such as tablets and smartphones.

Suitable for

• Charging USB-C laptops that accept up to 45W input
• Powering tablets and large-screen phones while in use
• Replacing a lost or damaged OEM charger for compatible devices
• Portable power solution for travel, commuting, and remote work

Key specifications

• Output power: 45 W
• Output connector: USB-C (single port)
• Charging protocol: USB Power Delivery (PD) compatible
• Use case: Designed for laptops, tablets and USB-C devices
• Form factor: Compact wall-mounted AC adapter

How to use

Plug the adapter into a standard mains outlet and connect the USB-C cable between the adapter and your device’s USB-C charging port. The adapter and the device will negotiate the appropriate voltage and current via USB Power Delivery. Ensure the device’s input specifications accept 45W or the negotiated power level before charging. Disconnect the adapter when the device is fully charged or when not in use.

Recommendations

Use a high-quality USB-C cable rated for power delivery and avoid using the adapter in excessively hot, humid, or dusty environments. Check device compatibility for USB PD and power requirements to ensure safe and efficient charging. If the device requires more than 45W for optimal performance, use a higher-wattage charger specified by the device manufacturer.