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Asus clarifies that confusing warning label on the Zephyrus Duo 15 about battery charging

Asus clarifies that confusing warning label on the Zephyrus Duo 15 about battery charging
Asus clarifies that confusing warning label on the Zephyrus Duo 15 about battery charging
Asus says it's ok to use generic USB-C adapters to recharge the laptop in spite of the warning label telling owners otherwise. When charging via the AC barrel port, however, be sure to use only those provided by Asus.
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One of the most convenient features these days is USB-C charging. If you lost your original AC charging adapter for your laptop or don't feel like carrying one around, then you can swap to almost any third-party USB-C charger instead. Having just one tiny charger for your smartphone, laptop, and Nintendo Switch is a blessing when traveling especially with family or friends.

Asus' latest gaming laptop, the Zephyrus Duo 15 SE, supports charging via a proprietary 240/280 W barrel AC adapter or generic USB-C adapter up to 100 W. The barrel adapter in the packaging, however, includes a huge yellow sticker with the following message:

"Use only the bundled power adapter to charge the battery and supply power to your Notebook PC."

Since the packaging includes no USB-C adapter, the label implies that owners shouldn't charge their new Zephyrus laptops via USB-C. Why include USB-C charging support in the first place if you don't want owners to use it? 

Thankfully, an Asus spokesperson has clarified to us the original intention of the contradicting message. The label is apparently referring to the barrel AC adapter only and not any USB-C adapters. In other words, owners should not charge their Zephyrus laptops with any barrel chargers other than the one included in the box. USB-C charging with generic adapters remains safe albeit at a slower charge rate, of course.

The practicality of the label is still questionable. Not only is it a huge eyesore with an ambiguously written warning, no other laptop makers include similar messages on their laptops. Or, if they do, then it would be written on their user manuals. Either way, Asus' approach here probably isn't the best way to get the point across to new owners.

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Allen Ngo
Allen Ngo - Lead Editor U.S. - 4530 articles published on Notebookcheck since 2011
After graduating with a B.S. in environmental hydrodynamics from the University of California, I studied reactor physics to become licensed by the U.S. NRC to operate nuclear reactors. There's a striking level of appreciation you gain for everyday consumer electronics after working with modern nuclear reactivity systems astonishingly powered by computers from the 80s. When I'm not managing day-to-day activities and US review articles on Notebookcheck, you can catch me following the eSports scene and the latest gaming news.
contact me via: @AllenNgoNBC
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2021 02 > Asus clarifies that confusing warning label on the Zephyrus Duo 15 about battery charging
Allen Ngo, 2021-02- 9 (Update: 2021-02- 9)