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Deal.ai › iTEKIRO › C Adapters
iTEKIRO
iTEKIRO Laptop AC Adapter for Asus S712 S712UA S712UA-DS54 S712UA-IS79, Taichi 21, Taichi 21-DH51, Taichi 21-DH71, Taichi 21-UH51, Taichi 21-UH71, Taichi 31, Taichi 31-DH51, Taichi 31-DH71, Taichi 31

iTEKIRO Laptop AC Adapter for Asus S712 S712UA S712UA-DS54 S712UA-IS79, Taichi 21, Taichi 21-DH51, Taichi 21-DH71, Taichi 21-UH51, Taichi 21-UH71, Taichi 31, Taichi 31-DH51, Taichi 31-DH71, Taichi 31

Best price now

$35.98at WalmartChecked 10 h ago

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Price facts

  • Lowest price today: $35.98 at Walmart (checked Nov 15, 2026).

Our take on the iTEKIRO Laptop AC Adapter for Asus S712 S712UA S712UA-DS54 S712UA-IS79, Taichi 21, Taichi 21-DH51, Taichi 21-DH71, Taichi 21-UH51, Taichi 21-UH71, Taichi 31, Taichi 31-DH51, Taichi 31-DH71, Taichi 31

The iTEKIRO 65W adapter is a third-party replacement power supply for Asus laptops, including the Zenbook Flip S712 series and the Taichi 21 and 31 convertibles. It outputs 19V at up to 3.42A and is rated to stand in for Asus 33W, 45W and 65W chargers, so one unit covers several generations of machines. Its 4.0 mm barrel tip has no center pin, which is the plug those Asus models use. The main draw over a genuine Asus brick is reach: a 6 ft AC cord plus a 6 ft DC cord, and a 12 oz body that is compact for a 65W adapter. It is a generic replacement, not an Asus original, so buyers trade the brand name for a lower-cost part with a one-year replacement warranty.

Best forOwners of Asus Zenbook Flip S712 or Taichi 21/31 laptopsReplacing a lost or failed Asus 33W, 45W or 65W chargerTravelers who need long cords and worldwide voltageBuyers who want a spare charger for home and bag
Pros
  • 65W output covers Asus 33W, 45W and 65W adapters
  • 6 ft AC cord plus 6 ft DC cord for extra reach
  • Wide 100–240V input works on overseas power
  • Compact 3.74 x 1.69 x 1.10 in body at 12 oz
  • UL-listed AC cord and one-year replacement warranty
Cons
  • Not an Asus original, so build and finish differ
  • 4.0 mm no-pin tip fits only specific Asus models
  • Two cords to manage rather than one
  • No USB-C Power Delivery for newer laptops

iTEKIRO Laptop AC Adapter for Asus S712 S712UA S712UA-DS54 S712UA-IS79, Taichi 21, Taichi 21-DH51, Taichi 21-DH71, Taichi 21-UH51, Taichi 21-UH71, Taichi 31, Taichi 31-DH51, Taichi 31-DH71, Taichi 31 prices at every store

  • WalmartNew

    In stockSold by EPMUSAReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $35.98+ $6.79 shippingChecked 10 h ago
    Visit Walmart

About the iTEKIRO Laptop AC Adapter for Asus S712 S712UA S712UA-DS54 S712UA-IS79, Taichi 21, Taichi 21-DH51, Taichi 21-DH71, Taichi 21-UH51, Taichi 21-UH71, Taichi 31, Taichi 31-DH51, Taichi 31-DH71, Taichi 31

This is a 65W replacement AC adapter for select Asus laptops, including the S712 series and the Taichi 21 and Taichi 31 models. It is made by iTEKIRO and is not an original Asus part. It can replace the genuine Asus 33W, 45W and 65W adapters.

The adapter has a 4.0 mm plug tip with no center pin inside. It outputs 19V DC at 2.37A to 3.42A, up to 65W. Its input accepts 100 to 240V AC at 50 to 60Hz, so it works with power outlets worldwide.

It comes with a 6 ft. 2-prong AC power cord that is UL listed and a 6 ft. DC cord. The longer cords add reach without an extension cord. An iTEKIRO 3-in-1 USB charging cable is also included.

Brand
iTEKIRO
Compatibility
Asus S712, S712UA, S712UA-DS54, S712UA-IS79, Taichi 21, Taichi 21-DH51, Taichi 21-DH71, Taichi 21-UH51, Taichi 21-UH71, Taichi 31, Taichi 31-DH51, Taichi 31-DH71
Power
65W max
Input
AC 100 to 240V, 50 to 60Hz
Output
19V DC, 2.37A to 3.42A
Plug tip
4.0 mm, no center pin
Dimensions
3.74" x 1.69" x 1.10"
Weight
12 oz
Color
Black
AC cord
6 ft., 2-prong, UL listed
DC cord
6 ft.
In the box
AC adapter, 6 ft. AC power cord, 6 ft. DC power cord, iTEKIRO 3-in-1 USB charging cable

Specifications

color
BlackSource
size
3.74" x 1.69" x 1.10"Source

Questions and answers

Will this work with my Asus Zenbook Flip S712?
Yes. The S712UA models listed use the 4.0 mm barrel plug without a center pin, and the adapter delivers 19V at up to 3.42A, which covers the 65W those laptops draw.
Does it fit the Asus Taichi 21 and Taichi 31?
Yes. The Taichi 21 and 31 variants named here use the same 4.0 mm no-pin tip, and the adapter is rated to replace their original 45W and 65W supplies.
Is this a genuine Asus charger?
No. It is a replacement made by iTEKIRO, not an Asus original. It is built to the same voltage and plug type and comes with a one-year replacement warranty.
Can I use it abroad?
Yes. The input accepts 100–240V at 50–60Hz, so it works on overseas mains with a plug adapter. The included AC cord is a 2-prong US-style cord.
What comes in the box?
The adapter, a 6 ft 2-prong AC power cord, a 6 ft DC cord, and a 3-in-1 USB charging cable.
Will it charge a USB-C laptop?
No. It charges through a 4.0 mm barrel plug only. Laptops that charge over USB-C need a USB-C PD adapter instead.
Where is the iTEKIRO Laptop AC Adapter for Asus S712 S712UA S712UA-DS54 S712UA-IS79, Taichi 21, Taichi 21-DH51, Taichi 21-DH71, Taichi 21-UH51, Taichi 21-UH71, Taichi 31, Taichi 31-DH51, Taichi 31-DH71, Taichi 31 cheapest?
At Walmart, for $35.98, as of our latest check.

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