45W ASUS Laptop Charger for UK use – 19V 2.37A (4.0 x 1.35mm) with 5.5 x 2.5mm adapter, 3‑pin plug

What it is

A dedicated 45W power adapter designed for certain ASUS laptops, delivering 19V at 2.37A. It ships with a 4.0 x 1.35mm main tip and an additional 5.5 x 2.5mm adapter, allowing compatibility with a range of ASUS VivoBook and ZenBook models. It is not a USB-C charger and relies on a UK 3-pin plug for straightforward use at home or in the office.

Who it’s for

If you own an ASUS VivoBook or ZenBook that requires a 45W, 19V supply and a 4.0 x 1.35mm connector, this charger represents a practical replacement or backup option. It may suit students or professionals who want a compact, travel-friendly power solution without resorting to USB-C charging. It’s particularly aimed at UK-based users needing a standard wall-plug setup.

What to know before buying

Before placing an order, check that your existing charger uses one of the included tips and that the output matches 19V 2.37A (45W). The product description emphasises compatibility with matching 45W ASUS laptops and warns that it is not USB-C. Size and connector compatibility are essential to ensure a secure fit and reliable charging. If your laptop uses a different wattage, voltage, or connector, this charger may not be suitable.

How it performs in practice

On paper, the charger combines a durable construction with a basic multi-protection safety system to guard against over-voltage, over-current, short circuits, and overheating. The design includes a high-conductivity copper core and a flame-retardant casing, which suggests sturdiness for daily use. In everyday scenarios, you’ll likely appreciate the UK three-pin plug for convenience, along with a second tip option for compatible models.

What stands out (pros)

• Clear two-tip setup expands compatibility within the 45W ASUS family.
• UK 3-pin plug suits home and office environments without adapters.
• Built with safety features and materials aimed at durability for regular plugging and unplugging.

Potential limitations (cons)

• It’s not a USB-C charger, so you can’t use it with USB-C only laptops or newer models that prioritise USB-C charging.
• Compatibility depends on connector size and power rating, if your laptop uses a different wattage or a non-listed connector, it won’t work.
• The description covers a broad ASUS range, but real-world compatibility hinges on exact model requirements and battery management.

Practical use cases

For a student with a VivoBook 14 or ZenBook from the listed families, this charger can act as a reliable travel-friendly backup. If you frequently work off-site and prefer a fixed UK plug rather than a travel adapter, this model aligns with that need. A visual cue: you’d typically plug in at a desk or in a laptop bag as a spare charger while keeping the main charger at your workstation.

Who it’s not ideal for

Not the best choice if your laptop requires USB-C charging or a different wattage. Also, if you expect rapid compatibility across many brands beyond ASUS, you’ll encounter limits due to the specialised tip sizes.

What to review before purchasing

• Confirm your laptop’s required voltage, current, wattage, and tip size match 19V, 2.37A, and 4.0 x 1.35mm (or the 5.5 x 2.5mm adapter).
• Check that your model is listed among the compatible ASUS lines and that it isn’t dependent on USB-C charging.
• Consider where you’ll use it most: home, office, or travel, and whether a spare or primary charger better fits your setup.

Quick comparison (alternative approaches)

If you need USB-C charging or higher wattage for larger ASUS laptops, you’d typically look at different models with USB-C power delivery. For straightforward, non-USB-C ASUS charging on compatible 45W models, this option offers a practical, no-frills alternative that’s focused on the UK market with a traditional plug and two-tip setup.

Tech specs (at a glance)

• Output: 19V, 2.37A (45W)
• Main tip: 4.0 x 1.35mm
• Secondary tip: 5.5 x 2.5mm adapter cable included
• Plug type: UK 3-pin
• Input range: 100–240V AC
• Safety: Multi-protection against over-voltage, over-current, short circuit and over-temperature

What to know about durability and build

The charger is described as having a high-conductivity copper core and a reinforced, tear-resistant design, packaged in a flame-retardant casing. These features suggest it is built for daily use and frequent plugging/unplugging, but as with any charging accessory, the real-world longevity depends on handling and environment.

FAQ (3–5 questions)

• Will this work with my ASUS model? It works with ASUS laptops that require 45W and use the 4.0 x 1.35mm connector or the 5.5 x 2.5mm adapter, not USB-C. Verify your model’s exact connector size and wattage before buying.
• Is USB-C charging supported? No, this charger is not USB-C and is designed for non‑USB‑C ASUS laptops within the stated wattage and connector specs.
• Can I use it abroad? The input supports 100–240V, but you’ll need a UK plug in the UK, travelling with this may require a suitable travel adaptor for other regions.
• Is it a good backup charger? If you own a compatible ASUS laptop and want a UK-plug option, it can be a sensible backup, provided you match the connector size and wattage.
• How does it handle heat? It claims to support efficient heat dissipation to reduce heat build-up during charging, which is beneficial for daily use, though it’s still wise to avoid covering the adapter during charging.

Final note

If you prioritise a practical, purpose-built charger for compatible 45W ASUS laptops with a UK plug, and you’re comfortable with the connector sizes specified, this model offers a straightforward option without the complexity of USB-C or portable power banks. It’s a sensible pick for users who value stability and a ready-to-use UK charging solution, with the caveat that it won’t cover models outside the listed compatibility or USB-C laptops.