Lenovo PA-1450-55LL 45W AC Wall Adapter for Miix Yoga Notebooks — main product image

Lenovo PA-1450-55LL 45W AC Wall Adapter for Miix Yoga Notebooks

Lenovo

Lenovo PA-1450-55LL 45W AC Wall Adapter for Miix Yoga Notebooks

Name: Lenovo PA-1450-55LL 45W AC Wall Adapter for Miix Yoga Notebooks
Brand: Lenovo
SKU: PA-1450-55LL

★★★★★4.6 (105 reviews)

45W

Official-spec 45W AC adapter for Lenovo Miix and Yoga notebooks with a compact wall-plug design for easy portability.

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Overview

The Lenovo PA-1450-55LL is a 45W AC wall adapter purpose-built for select Lenovo Miix 510 and Yoga 710 notebooks. Unlike bulkier brick-style laptop chargers, this adapter features a compact wall-plug design that connects directly to a standard outlet, reducing cable clutter and making it easy to toss in a bag for travel. The 4.0mm x 1.7mm connector tip matches the original Lenovo charging specification, ensuring proper voltage and amperage delivery to your notebook.

This adapter cross-references a broad list of Lenovo part numbers, including PA-1450-55LN, SA10M42785, GX20K11838, and many others, making it a practical replacement if your original charger is lost, damaged, or you simply want a second charger for another location. At 45W, it provides enough power to charge your notebook during everyday tasks such as browsing, document editing, and video playback without significant slowdown in charge speed.

Key Features

Compatible with P/N: ADL45WC C ADP-45DW A ADP-45DW B GX20K11838 GX20L23044 ADL45WCK PA-1450-55LL PA-1450-55LZ PA-1450-55LU PA-1450-55LS PA-1450-55LR PA-1450-55LN PA-1450-55LK PA-1450-55LR 5A10H42919 5A10H43625 SA10M42785 SA10M42800

Specifications

Power Output

45W

Connector

4.0mm x 1.7mm

Compatibility

Lenovo Miix 510, Yoga 710 (11", 14", 15")

Form Factor

Wall-plug adapter

Replaces Part Numbers

PA-1450-55LN, SA10M42711, SA10M42785, GX20K11838, GX20L23044, 5A10H42919, 5A10H43625

Pros & Cons

👍 Pros

Compact wall-plug design eliminates bulky power bricks and extra cables
45W output matches original Lenovo specifications for reliable, safe charging
Broad compatibility across multiple Lenovo Miix and Yoga notebook models
Lightweight and portable, well suited for travel or use as a secondary charger

👎 Cons

4.0mm x 1.7mm connector is model-specific and will not fit USB-C or other Lenovo laptops
45W output may charge more slowly during heavy workloads on higher-spec notebook configurations
No USB-C passthrough or additional charging ports for other devices
Wall-plug form factor may block adjacent outlets depending on power strip layout

Frequently Asked Questions

Which Lenovo notebooks is this adapter compatible with?

It is designed for the Lenovo Miix 510 and Yoga 710 series notebooks in 11-inch, 14-inch, and 15-inch configurations.

What connector type does this adapter use?

It uses a 4.0mm x 1.7mm round connector tip, which is specific to compatible Lenovo Miix and Yoga models.

Can this adapter be used as a replacement for a lost or damaged original charger?

Yes, it replaces several Lenovo part numbers including PA-1450-55LN, SA10M42711, and SA10M42785, among others listed in the compatibility details.

Is this a wall-plug adapter or a brick-style charger with a separate cord?

This is a wall-plug style adapter that connects directly to a wall outlet, making it more compact and travel-friendly than brick-style chargers.

Does the adapter provide enough power for charging while using the notebook?

At 45W, it matches the original power specification for compatible models, so it can charge the battery while the notebook is in use under normal workloads.