240W Laptop Charger (ADP-240EB B) for ASUS ROG Strix & Zephyrus laptops
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Product description
What this charger is for
If you’re using an ASUS ROG Strix, ROG Zephyrus, or a related ZenBook Pro Duo model, this 240W laptop charger is designed to provide a high-power DC output through the correct barrel connector size. On paper, it’s the kind of replacement you’d buy when your original adapter is missing, worn out, or you simply need a reliable spare for the bag.
The key detail here is the output: it lists DC 20V 12A, with a 240W maximum output. It also mentions that it can be used at lower compatible power levels (notably “Compatible 180W 150W”), which matters if your laptop doesn’t always draw the full headroom.
That said, it won’t be a perfect match for everyone, because compatibility depends heavily on the connector tip size and your specific laptop’s charging requirements.
Key features that matter day to day
What you’ll likely notice first is the “rapid and stable energy inflow” claim paired with PD technology that recognises the device. This is meant to avoid erratic power delivery and help preserve battery life cycle while still allowing high output when needed.
It also includes built-in IC protection functions described in the listing to guard against things like overcurrent, voltage errors, short circuits, and internal overheating. That kind of protection isn’t glamorous, but it’s genuinely relevant for a charger that’s going to be carried around and plugged in repeatedly.
Finally, the build approach looks practical: the cable is described as high-density PC material for stability, wear resistance, and durability. There’s also a “separate design” of the cable body intended to reduce issues like poor winding and fixing that can lead to cable failures.
The essentials (specs you should check before buying)
Before you commit, make sure you’re comfortable with the electrical and physical match. The listing states:
- Input: 100-240V AC, 50/60Hz
- Output: DC 20V 12A, 240W Max (with compatibility noted as 180W and 150W)
- Connector size: 6.0 x 3.7 mm
- Power model / P/N: ADP-240EB B
There’s also an explicit warning in the listing: purchase only if the tip size of the AC adapter matches the DC output tip size. If you get this wrong, the charger may not physically connect, or it may not be the correct electrical match.
Usage tips for getting the best results
For a spare charger setup, this is the sort of accessory that tends to earn its place: keep one at home/office and one at work or in your bag, then swap instead of relying on a single adapter.
A practical micro-example: if you frequently work away from home, you can leave the original charger at home and use this 240W unit on the go. Because the listing highlights PD recognition and “stable energy inflow”, it’s aimed at consistent charging rather than “just enough to get by”.
Still, it may not suit every scenario. If your laptop only needs a much lower wattage (or you’re trying to charge a device with a different connector standard), you could end up paying for more power than you actually use.
Where it shines—and where it may fall short
Where it shines: - If you need a replacement charger with a 6.0 x 3.7 mm connector size, and your ASUS model aligns with the P/N and adapter class described. - If you want an adapter with multiple protection features and a durability-focused cable approach. - If you value having a spare so you’re not stuck hunting for a charger mid-week.
What to be careful about: - This is “compatible with” a long list of ASUS models, but the listing itself stresses tip size matching. In practice, this is the part that most often causes buyer regret when people assume compatibility based only on laptop model names. - It’s not ideal if you’re looking for a universal charger for many different brands. This one is tailored to specific ASUS charging setups. - The 240W figure is the headline, but if your priority is a smaller, lighter travel adapter, this may feel oversized depending on your normal routine.
Compatibility & requirements
The listing presents compatibility with multiple ASUS ROG Strix, ROG Zephyrus, and a ZenBook Pro Duo 15 OLED (UX582) model family, and it references P/N ADP-240EB B. But the most important requirement is physical and electrical match:
- Ensure the connector tip size is the same (6.0 x 3.7 mm is stated on the product listing).
- Check that the laptop you’re charging is within the listed ASUS charger compatibility class (and that the correct P/N matters for your configuration).
It’s not perfect, but this is one of those purchases where a few minutes of checking can save a lot of hassle.
What’s included, warranty, and support
The listing says each charger undergoes rigorous factory testing before leaving the factory, and it provides 12 months support. It also states that questions will be responded to within 24 hours.
Is it worth it?
A solid pick if you’re specifically replacing an ASUS-compatible 240W charger and you can confirm the connector size and your laptop’s adapter requirements match what’s listed. It fits the “spare adapter” use case well, and the protection-focused IC features and cable durability notes are the sort of details you’ll appreciate over time.
You may want to skip it if you need a truly universal charger across brands/devices, or if you’re not confident about the connector tip size match. It might not be a great match if your laptop is outside the listed ASUS compatibility set, even if the charging voltage sounds similar.
Quick FAQ
FAQ
1) What output does this charger provide? It’s listed as DC 20V 12A, with 240W maximum output.
2) What connector size does it use? The connector size is stated as 6.0 x 3.7 mm.
3) Does it have PD technology? The listing says PD technology intelligently recognises the device to provide rapid and stable energy inflow.
4) How long is the support/warranty period? The listing mentions 12 months support.
5) Is compatibility only about the laptop model name? Not really. The listing explicitly notes that the tip size must match the DC output, so physical connector matching is crucial.