45W Charger Compatible With HP Laptops Review

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By Editorial Team · Reviewed for accuracy · Last updated June 2026

Finding the right replacement charger for an HP laptop can be frustrating because the wattage, voltage, amperage, and connector tip all need to match your device. This 45W Charger compatible with HP laptops is made for supported HP models that use a 19.5V, 2.31A, 45W adapter with the blue tip connector. It is compact, lightweight, and practical for everyday charging, but it is not the right choice for every HP laptop. This review helps you decide if the 45W output and blue tip design match your actual device needs.

Quick Verdict

Rating: Recommended with caveats

Best For: HP laptop users who need a 45W blue tip replacement charger for compatible Pavilion x360, Notebook 15, Stream, or Zbook models.

Bottom Line: This charger makes sense if your HP laptop supports a 19.5V, 2.31A, 45W adapter with the blue tip connector. Skip it if your laptop requires more power or uses a different connector.

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Before You Buy: Check your old charger label and your laptop charging port before ordering. This model is for supported HP laptops that use 45W power and the blue tip connector, not every HP laptop or Chromebook.

Specification Detail
Product Type Replacement AC laptop charger
Compatibility Selected HP Pavilion x360, Zbook, Notebook 15, and Stream series laptops
Power Output 45W
Voltage and Amperage 19.5V, 2.31A
Connector Blue tip connector
Power Source Corded electric
Included Accessories AC adapter and power cord
Dimensions 7.36 x 4.45 x 1.85 inches
Weight 9.6 ounces
Manufacturer DongGuan Simer Electronics Co., LTD
Best Use Daily charging, replacement use, desk setup, travel backup, or spare HP laptop charger

Overview

The 45W Charger Compatible with HP Laptops is a replacement AC adapter for supported HP laptops that require a 19.5V, 2.31A, 45W charger. It uses the recognizable blue tip connector and includes both the adapter and a power cord, so you can use it as a main charger or as a backup for work, school, or travel.

Its listed compatibility includes several HP laptop families, especially models from the Pavilion x360, Zbook, Notebook 15, and Stream series. That broad compatibility is useful, but it also means you need to check your exact laptop model before buying. A charger can look similar and still have the wrong wattage or connector for your device.

The charger has a compact body that measures 7.36 x 4.45 x 1.85 inches and weighs 9.6 ounces. That makes it easy to keep in a laptop bag, desk drawer, dorm room, or office setup without adding much bulk.

Detailed Features

45W Power Output

This HP-compatible charger delivers 45 watts through a 19.5V, 2.31A output. For supported HP laptops, that output is enough for regular charging, web browsing, document work, online classes, video calls, and light daily use.

The key limitation is power demand. Some larger or more performance-focused laptops may need a 65W, 90W, or higher-wattage adapter. If your original HP charger has a higher wattage rating, this 45W model may charge slowly, fail to charge during heavy use, or not work properly.

Blue Tip Connector

The blue tip connector is one of the most important buying details. HP has used different charger tips across different laptop generations, so the color and shape of the connector help narrow compatibility.

Before ordering, compare this blue tip design with your original charger and your laptop charging port. If your laptop uses USB-C charging, a barrel connector with a different tip, or a higher-output adapter, this charger is not the right match.

Compact and Lightweight Design

At 9.6 ounces, this charger is light enough for daily carry. It is a practical option if you need a second charger for your office, school bag, travel kit, or backup drawer.

The 7.36 x 4.45 x 1.85-inch size keeps the adapter easy to store. It is not as small as some modern USB-C laptop chargers, but for a traditional HP blue tip adapter, the size is manageable.

Included Power Cord

The package includes an AC adapter with a power cord, which makes it easier to start using the charger right away. The included cord gives you more placement flexibility than a short wall-plug-only charger.

The original article notes that the power cord measures approximately six feet. That length is useful if your desk, bed, couch, or work surface is not directly beside a wall outlet.

Who Should Buy It?

Best For

  • HP laptop users replacing a lost or damaged 45W blue tip charger.
  • Students, office users, and remote workers who want a spare charger for everyday use.
  • Owners of compatible Pavilion x360, Zbook, Notebook 15, or Stream models that support 19.5V, 2.31A charging.

Skip If

  • Your HP laptop requires 65W, 90W, or another higher-output charger.
  • Your laptop uses USB-C charging or a connector that does not match the blue tip.
  • You need a charger for a non-HP laptop unless the voltage, amperage, wattage, and connector are confirmed compatible.

Compatibility and Safety

Compatibility is the biggest factor with this charger. It is designed for selected HP laptops, not for every laptop with a similar-looking port. You should compare your original adapter label, laptop model number, and charging port before using it.

The output rating should match your laptop’s required input. Using the wrong charger can lead to slow charging, charging failure, overheating, or possible device damage. If you are unsure, check your HP laptop manual, the sticker on the bottom of the laptop, or the label on your original charger.

Pro Tip: Take a photo of your original charger label before buying a replacement. Match the wattage, voltage, amperage, and connector tip instead of relying only on the laptop series name.

How It Performs in Real Use

For Daily Desk Use

For a compatible HP laptop, this charger is a simple everyday power solution. It works best for regular tasks like browsing, writing, email, online study, streaming, and office work.

For Travel or Backup Use

The 9.6-ounce weight makes it easy to pack as a second charger. If you often move between home, school, work, or a shared office, keeping a spare charger can reduce the chance of being stuck with a low battery.

For Older HP Laptops

Many older HP laptops use traditional barrel-style charging rather than USB-C. This charger may be useful for supported older models, especially if the original adapter is lost, frayed, or no longer reliable.

For Power-Heavy Tasks

The 45W output is the main limit. If you use a compatible laptop for light work, it should fit normal needs. If your laptop is built for heavier workloads or originally shipped with a higher-wattage adapter, this model may not provide enough power.

Setup Tips Before First Use

Check the charger and cord before plugging them in. Look for bent connector parts, damaged insulation, loose fittings, or signs of overheating. Do not use any charger that appears damaged.

Plug the power cord into the adapter first, then connect the adapter to the wall outlet and laptop. Make sure the blue tip sits firmly in the charging port without forcing it. If it feels loose, does not fit, or needs pressure to stay connected, stop using it and confirm compatibility.

During the first use, keep an eye on charging behavior. A slight warmth from the adapter can be normal, but it should not become extremely hot, smell burnt, make unusual sounds, or cause charging interruptions.

Pros and Cons

Pros

  • 45W output matches supported HP laptops that require 19.5V and 2.31A charging.
  • Blue tip connector helps match the charger to many compatible HP models.
  • Lightweight 9.6-ounce design is easy to carry as a spare or travel charger.
  • Includes an AC adapter and power cord for ready-to-use charging.
  • Works across several supported HP laptop families, including Pavilion x360, Zbook, Notebook 15, and Stream series.

Cons

  • Not suitable for HP laptops that require a higher-wattage adapter.
  • Blue tip connector will not fit every HP laptop or Chromebook.
  • No carrying case is included, so frequent travelers may want a separate storage pouch.

Is It Worth the Price?

This charger is worth considering if you need a practical replacement or backup adapter for a compatible HP laptop. Its value comes from the 45W output, blue tip connector, included power cord, and portable size.

It is a smart buy for everyday use if your laptop matches the required specifications. The biggest value risk is buying it for the wrong laptop, so compatibility checking matters more than price alone.

If your laptop uses a higher-wattage charger or USB-C charging, this model is not the best fit. In that case, a charger that matches your original HP adapter rating would be the safer choice.

How It Compares to Alternatives

Compared with higher-wattage HP replacement chargers, this 45W model is better suited for lighter supported laptops rather than larger performance models. A 65W or 90W HP-compatible adapter may be a better option if your original charger lists a higher output.

Compared with USB-C laptop chargers, this blue tip charger is more specific to supported HP barrel-port laptops. It makes the most sense if your HP laptop was designed for this connector style and power rating.

Frequently Asked Questions

Is this charger safe for use with other laptop brands?

This charger is designed for supported HP laptops. Do not use it with another brand unless the voltage, amperage, wattage, polarity, and connector are confirmed to match your device.

How long is the power cord included with the charger?

The included power cord is described as approximately six feet long. That length gives you more room to charge from a wall outlet near a desk, bed, or couch.

Does the charger come with a carrying case?

No carrying case is included. If you plan to carry the charger often, a small pouch can help protect the cord and connector from bending or damage.

Can I use this charger with HP Chromebooks?

This charger is not listed as a universal HP Chromebook charger. Many Chromebooks use USB-C or different power requirements, so check your Chromebook model and charger label before using it.

What should I do if the charger overheats?

Unplug the charger from both the wall outlet and the laptop right away. Let it cool, check for damage, and stop using it if you notice burning smells, warped plastic, exposed wires, or repeated overheating.

How do I know if 45W is enough for my HP laptop?

Look at your original charger label or your laptop’s required input rating. If your original adapter says 45W, 19.5V, and 2.31A with the same blue tip connector, this charger is more likely to match.

Can I use this as a travel charger?

Yes, it can work well as a travel or backup charger for compatible HP laptops because it weighs 9.6 ounces. Wrap the cord loosely and protect the blue tip connector when packing it.

Who should skip this HP-compatible charger?

Skip it if your laptop needs more than 45W, uses USB-C charging, or has a different barrel connector. Also skip it if you cannot confirm your model’s charging requirements.

The Bottom Line

The 45W Charger compatible with HP laptops is a useful replacement or spare charger for supported HP models that use 19.5V, 2.31A power and the blue tip connector. Its compact size, included power cord, and broad HP laptop compatibility make it practical for everyday use. The main limitation is clear: it is not a universal HP charger, so confirm your laptop’s wattage and connector before buying.

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About the Author

Nathan Rhodes is a writer at GoMyReview who focuses on practical automotive troubleshooting, vehicle maintenance, and consumer technology. He creates clear, reader-friendly guides that help everyday users understand common problems and make informed decisions. His work covers topics ranging from Toyota Camry engine and cooling issues to laptop performance and temperature monitoring. Nathan is committed to careful research, straightforward explanations, and useful solutions that readers can confidently apply.

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