For the ASUS ROG Xbox Ally X

ROG Xbox Ally X Power Banks: Which Port, Which Watts

Choose a bank that states USB-C PD of 65 W or more on a single port and plug it into either top USB-C port. That is the whole published rule. ASUS ships the ROG Xbox Ally X with a 65 W Type-C adapter at 20 V and 3.25 A, lists power delivery on both of its USB-C ports, and gives the USB4 port Power Delivery 3.0. ASUS publishes no input ceiling, no charging rate under load and no list of approved banks, and we found no independent charging test of this machine, so nothing here claims a speed.

The bar matters because the search results do not sort by it. The six banks on this page come from the "rog xbox ally x power bank" search; five state a USB-C PD port at 65 W or above on their makers' figures, and one states 22.5 W as its fastest port and no USB-C PD output at all. It stays on the page as the shape to recognise.

Two of the five name this machine: JSAUX's 65 W bank lists the ROG Xbox Ally X, and JSAUX's ModCase set straps a 65 W bank to the back of the shell. One has a reviewer behind it: Windows Central's Xbox Ally pick is UGREEN's 145 W bank, which puts 140 W on its first port. Anker's two Prime banks put 140 W on each USB-C port and name no handheld. Every figure below is the maker's, read on the date shown; we test nothing.

Updated Oct 21, 2026 · Researched from manufacturer specifications and owner reports; every claim on this page links to its source.
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Our pick: reviewer-used on the Xbox Ally01 / 06

UGREEN Nexode 25000mAh 145W 3-Port Power Bank

UGREEN states 140 W on its first USB-C port and 90 Wh, and a Windows Central reviewer uses it on the Xbox Ally and Ally X. The only bank here with a second voice behind the match.

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Fitment check

Sourced

ASUS ROG Xbox Ally X · the two top USB-C ports, USB4 on the left and USB 3.2 Gen 2 on the right

Fits. Banks stating USB-C PD 65 W or more on one port — equal to or above the 65 W Type-C adapter ASUS ships; a spec match, not a tested pairing
Conditional fit. Charging speed, headroom and a ceiling — ASUS publishes no input maximum and no wattage under load, so a 140 W port is headroom on paper and no bank here carries a speed claim
Does not fit. Banks with no USB-C PD output figure — the VRURC bank states 22.5 W as its fastest port and lists its USB-C port as an input; a third of the adapter ASUS ships
Conditional fit. The cable — UGREEN and Anker both say a 5A cable is needed for their 140 W figure; with a lesser cable the port delivers less
Note. Which USB-C port — ASUS lists power delivery on both; the USB4 port carries Power Delivery 3.0 and sits on the left per a hands-on
Note. In the box — a 65 W Type-C adapter, 20 V at 3.25 A; ASUS says whether one is included varies by country, region and model; the battery is 80 Wh

Checked Oct 21, 2026 · source 1 source 2 source 3

All 6 power banks, compared

Ranked by fit confidence

Power banks compared by fitment and specs
Power banks	Stated output	Stated capacity	Fitment
UGREEN Nexode 25000mAh 145W 3-Port Power Bank Our pick: reviewer-used on the Xbox Ally	USB-C1 140 W max, USB-C2 65 W max, USB-A 22.5 W max; 145 W total	25000 mAh, 90 Wh	Fits.Bolt-on	Check on Amazon
JSAUX 20000mAh 65W PD Power Bank, PB6501 Names the Ally X, matches the adapter	Up to 65 W USB-C PD on the USB-C port; two USB-A ports	20000 mAh, 74 Wh	Fits.Bolt-on	Check on Amazon
Anker Prime Power Bank (26K, 300W) Most headroom and capacity	140 W max on each USB-C port with a 5A cable; 300 W total across two USB-C and one USB-A	26250 mAh, 99.75 Wh; 250 W dual USB-C input	Fits.Bolt-on	Check on Amazon
Anker Prime Power Bank (20K, 220W) Same ports, smaller body	140 W max on each USB-C port with a 5A cable; 220 W total across two USB-C and one USB-A	20100 mAh, 72.36 Wh; 100 W USB-C input	Fits.Bolt-on	Check on Amazon
JSAUX ModCase Set with 65W 20000mAh Power Bank The bank that straps on	65 W USB-C PD, 20000 mAh (bank PB6504, per JSAUX)	—	Fits.Bolt-on	Check on Amazon
VRURC 20000mAh Power Bank with Wall Plug Does not fit	Up to 22.5 W on the USB port; built-in micro-USB, USB-C and Lightning cables; USB-C port is an input	—	Does not fit.Does not fit	Skip it

UGREEN Nexode 25000mAh 145W 3-Port Power Bank

Our pick: reviewer-used on the Xbox Ally

—

Stated output: USB-C1 140 W max, USB-C2 65 W max, USB-A 22.5 W max; 145 W total
Stated capacity: 25000 mAh, 90 Wh

Bolt-on

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JSAUX 20000mAh 65W PD Power Bank, PB6501

Names the Ally X, matches the adapter

—

Stated output: Up to 65 W USB-C PD on the USB-C port; two USB-A ports
Stated capacity: 20000 mAh, 74 Wh

Bolt-on

Check on Amazon

Anker Prime Power Bank (26K, 300W)

Most headroom and capacity

—

Stated output: 140 W max on each USB-C port with a 5A cable; 300 W total across two USB-C and one USB-A
Stated capacity: 26250 mAh, 99.75 Wh; 250 W dual USB-C input

Bolt-on

Check on Amazon

Anker Prime Power Bank (20K, 220W)

Same ports, smaller body

—

Stated output: 140 W max on each USB-C port with a 5A cable; 220 W total across two USB-C and one USB-A
Stated capacity: 20100 mAh, 72.36 Wh; 100 W USB-C input

Bolt-on

Check on Amazon

JSAUX ModCase Set with 65W 20000mAh Power Bank

The bank that straps on

—

Stated output: 65 W USB-C PD, 20000 mAh (bank PB6504, per JSAUX)
Stated capacity: —

Bolt-on

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VRURC 20000mAh Power Bank with Wall Plug

Does not fit — Opened and read back on 20…

The reviews

Our pick: reviewer-used on the Xbox Ally01

UGREEN Nexode 25000mAh 145W 3-Port Power Bank

UGREEN states 140 W on its first USB-C port and 90 Wh, and a Windows Central reviewer uses it on the Xbox Ally and Ally X. The only bank here with a second voice behind the match.

Fits ASUS ROG Xbox Ally X

Install note

Opened and read back on 2026-10-21: "UGREEN Nexode 25000mAh 145W 3-Port USB-C Power Bank", UGREEN Store, sold by UGREEN GROUP LIMITED, Add to Cart present. The listing: a single USB-C1 port provides up to 140 W; use the included 5A USB-C cable or another certified 5A cable for full performance. UGREEN's US product page (SKU 90597A): USB-C1 140 W max, USB-C2 65 W max, USB-A 22.5 W max, 25000 mAh / 90 Wh, 160 x 80 x 26 mm, 513 g. Windows Central's roundup, updated 2025-11-24, lists a UGREEN 145 W, 25000 mAh bank as its Xbox Ally power bank pick and says the writer owns two and uses them to "fill up your Xbox Ally and Xbox Ally X for an extra cycle". One reviewer, not a sample of owners; UGREEN does not name the Ally X.

manufacturer · review · official

Stated outputUSB-C1 140 W max, USB-C2 65 W max, USB-A 22.5 W max; 145 W total

Stated capacity25000 mAh, 90 Wh

Stated size and weight160 x 80 x 26 mm, 513 g; input 65 W max on USB-C1

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Names the Ally X, matches the adapter02

JSAUX 20000mAh 65W PD Power Bank, PB6501

The one bank whose listing names the ROG Xbox Ally X, at the same 65 W as the adapter in the box and 74 Wh against an 80 Wh battery. It meets the bar with nothing spare.

Fits ASUS ROG Xbox Ally X

Install note

Opened and read back on 2026-10-21: "JSAUX Portable Charger 20000mAh, 65W USB C Power Bank", JSAUX Store, sold by JS Digital US, Add to Cart present. The listing: "Delivers up to 65W USB C PD fast charging for Steam Deck, Switch 2, ROG Xbox Ally X, laptops, tablets, and phones"; two USB-A and one USB-C port; cable included. JSAUX's product page gives PD 65 W output through USB-C, 20000 mAh (74 Wh) and 428 g. ASUS ships a 65 W adapter, so this is a match to the adapter with no headroom. Spec-to-spec, not tested.

manufacturer · official

Stated outputUp to 65 W USB-C PD on the USB-C port; two USB-A ports

Stated capacity20000 mAh, 74 Wh

Stated weight428 g

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Most headroom and capacity03

Anker Prime Power Bank (26K, 300W)

Anker states 140 W on each USB-C port and 99.75 Wh, the largest capacity here, with a 250 W recharge. Anker names no handheld, so this is a spec match with the widest margin.

Fits ASUS ROG Xbox Ally X

Install note

Opened and read back on 2026-10-21: "Anker Prime Power Bank, 26,250mAh 300W Fast Charging", Anker Store, sold by AnkerDirect, Add to Cart present. The listing: 300 W max output across two USB-C and one USB-A port; up to 140 W output "when connected to a 5A cable"; 26,250 mAh (99.75 Wh); 250 W dual USB-C input; a 240 W USB-C cable in the box. Anker's product page repeats "140W Max Per USB-C Port". Anker names no handheld. ASUS ships a 65 W adapter and lists PD on both USB-C ports, so this is a spec-to-spec match with headroom, not a tested pairing.

manufacturer · official

Stated output140 W max on each USB-C port with a 5A cable; 300 W total across two USB-C and one USB-A

Stated capacity26250 mAh, 99.75 Wh; 250 W dual USB-C input

Check on Amazon

Same ports, smaller body04

Anker Prime Power Bank (20K, 220W)

The same 140 W per USB-C port as the 26K in a 72.36 Wh body with a 100 W recharge. A spec match, not a named fit.

Fits ASUS ROG Xbox Ally X

Install note

Opened and read back on 2026-10-21: "Anker Prime Power Bank, 20,100mAh 3-Port Portable Charger", Anker Store, sold by AnkerDirect, Add to Cart present. The listing: 220 W total from two USB-C ports and one USB-A; up to 140 W "when connected to a 5A cable"; 20,100 mAh (72.36 Wh); 100 W max USB-C input; a 240 W cable in the box. Anker's product page: "Dual High-Speed USB-C Ports ... each offering a maximum output of 140W". Anker names no handheld. Spec-to-spec match against ASUS's 65 W adapter, not tested.

manufacturer · official

Stated output140 W max on each USB-C port with a 5A cable; 220 W total across two USB-C and one USB-A

Stated capacity20100 mAh, 72.36 Wh; 100 W USB-C input

Check on Amazon

The bank that straps on05

JSAUX ModCase Set with 65W 20000mAh Power Bank

A 65 W, 20000 mAh bank bundled with the ModCase shell whose strap holds it to the back for play while charging. Not for the X20.

Fits ASUS ROG Xbox Ally X

Install note

Opened and read back on 2026-10-21: "JSAUX ModCase Set for ROG Xbox Ally & Ally X, 65W 20000mAh Power Bank", JSAUX Store, sold by JS Digital US, Add to Cart present. The listing: "Built for ROG Xbox Ally and ROG Xbox Ally X"; "Not compatible with the ROG Xbox Ally X20 (2026)"; the expansion strap secures the included 20000 mAh bank "for a stable play while charging setup". JSAUX's ModCase page names the compatible bank as PB6504 with 65 W high-speed charging and 20000 mAh. The shell itself is on the grips and skins page. Seller statement; matches the 65 W adapter ASUS ships with no headroom.

manufacturer · official

Stated output65 W USB-C PD, 20000 mAh (bank PB6504, per JSAUX)

Parts in the setBack shell, detachable front cover, kickstand, expansion strap, 20000 mAh power bank

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Misses the bar, by its own listing06

VRURC 20000mAh Power Bank with Wall Plug

States 22.5 W as its fastest port and lists its USB-C port as an input. In the Ally X search results; here as the shape to avoid.

Not for ASUS ROG Xbox Ally X

Install note

Opened and read back on 2026-10-21: "VRURC Portable Charger 20000mAh, Fast Charging Power Bank USB C, 4 Output 2 Input", VRURC Store, sold by VRURC-US, Add to Cart present. The listing: "The USB port of the portable power bank supports up to 22.5W fast charging output"; a built-in AC wall plug; built-in micro, USB-C and other cables; "a USB input & output port, and a USB C input port"; 20000 mAh. No USB-C PD output figure is stated. ASUS ships a 65 W Type-C adapter and lists Power Delivery on both USB-C ports; ASUS publishes no minimum, so "does not fit" here means the bank states no USB-C PD output and its fastest port is a third of the adapter's rate, not that anyone tested it failing. The spec row above cites ASUS for the bar; the bank's figures are the listing's.

official

Stated outputUp to 22.5 W on the USB port; built-in micro-USB, USB-C and Lightning cables; USB-C port is an input

Skip it

How many watts does the Xbox Ally X take from a bank?

ASUS states the adapter, not the limit. The spec page lists a 65 W Type-C AC adapter with a 20 V, 3.25 A output, and marks both USB-C ports for power delivery, the USB4 port with Power Delivery 3.0. It gives no maximum input the machine will draw, no figure for charging while gaming and no minimum. The battery is 80 Wh, which is the number to hold a bank's Wh against.

So the bar is 65 W on one USB-C port, and anything above it is headroom on paper. A bank that states 140 W on a port, as UGREEN and both Anker Prime banks do, is not documented to charge this machine faster; it is documented to cover the published figure with margin, and to keep covering it while a second device shares the bank. A bank that states 65 W matches the adapter and has nothing spare.

Read the per-port figure, not the total. UGREEN's 145 W is 140 W on USB-C1, 65 W on USB-C2 and 22.5 W on USB-A. Anker's 300 W and 220 W totals each resolve to 140 W per USB-C port. JSAUX's banks state 65 W on their one USB-C port.

Which USB-C port do you charge from?

Either, by ASUS's spec page: both top ports are listed with power delivery. The USB4 port is the one ASUS marks with Power Delivery 3.0 and DisplayPort 1.4, and a hands-on that handled the machine puts the USB4 port on the left and the USB 3.2 Gen 2 port on the right of the top edge. ASUS states no charging preference between them and no bank maker here does either.

The standard ROG Xbox Ally has two USB 3.2 Gen 2 ports with power delivery and no USB4, so the same banks apply to it on the same basis; the difference is inside, in a 60 Wh battery against the X's 80 Wh.

What to check before you buy a power bank

One port at 65 W or more. Read the per-port USB-C PD figure. A total across ports is not what reaches the handheld.
Headroom if you share the bank. A 140 W port keeps covering 65 W with a phone on the other port; a 65 W port is the adapter and nothing more.
Capacity against 80 Wh. The machine's battery is 80 Wh. JSAUX's bank is 74 Wh, UGREEN's 90 Wh, Anker's 72.36 Wh and 99.75 Wh. None of those is a charge count; conversion losses are unpublished.
The cable. UGREEN and Anker tie their 140 W figures to a 5A cable and ship one. Use it.
Strapped or bagged. JSAUX's ModCase strap holds a slim bank to the shell for play while charging; a 513 g UGREEN or an Anker Prime lives in the bag. The cases guide says which carry a bank with the charger.
Docks are the other way to power it. ASUS's own docks pass up to 100 W; the docks guide covers them.

What we could not verify

We found no independent charging test of the ROG Xbox Ally X and no ASUS figure for its maximum input or its draw under load, so every bank here is a match between two published specs. Only JSAUX names this machine; Anker and UGREEN name no handheld. The one reviewer report, Windows Central's, covers the UGREEN bank and gives no measurement. Whether the machine charges faster from a 140 W port than from a 65 W one is unpublished, and we did not test it. If you have run one of these through a session, tell us and we will add your report as the source.

Questions owners ask

How many watts does a ROG Xbox Ally X power bank need?

At least 65 W of USB-C PD on a single port, which is the adapter ASUS ships, at 20 V and 3.25 A. ASUS publishes no maximum input and no minimum, so a 140 W port is headroom on paper and a 65 W port is the adapter with nothing spare.

Which port should a power bank use on the Xbox Ally X?

Either of the two top USB-C ports; ASUS lists power delivery on both. The USB4 port, on the left per a hands-on, is the one ASUS marks with Power Delivery 3.0. ASUS states no preference.

Can a power bank fully charge the ROG Xbox Ally X?

The battery is 80 Wh, per ASUS. The banks here state 74 Wh, 90 Wh, 72.36 Wh and 99.75 Wh. Conversion losses are not published by any maker, so none of those is a charge count.

Does a 65 W power bank charge the Xbox Ally X while playing?

Nobody has published it. ASUS gives no wattage under load for this machine and we found no independent test, so a 65 W bank meets the adapter figure and that is all that is documented.

Does the JSAUX ModCase power bank fit the Xbox Ally X?

JSAUX says so: the set is built for the 2025 ROG Xbox Ally and Ally X, with a 65 W, 20000 mAh bank the expansion strap holds to the back. JSAUX excludes the 2026 X20.

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