ROG Ally Battery Upgrade - 74Wh
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- 12-month warranty on parts and workmanship
- Free tracked return, prepaid label emailed
- Pay in 3 with Klarna or Clearpay
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Drop off at our London workshop (same day possible with our priority service) or mail in from anywhere in the UK.
The stock 40Wh battery is the ROG Ally's weakest link - demanding games can drain it in not much more than an hour. This upgrade fits a higher-capacity 74Wh battery (the same capacity ASUS put in the ROG Ally X), giving you significantly longer play away from the charger. It's also the right fix if your original battery has worn down and no longer holds a charge.
Why upgrade your ROG Ally battery
- Battery drains far too quickly in demanding games
- Original battery has degraded - shorter runtimes than when it was new
- Console shuts down unexpectedly or won't run unplugged
- You want genuinely portable play, not a handheld tethered to a socket
What we do
We open the console, remove the stock battery, and install the higher-capacity 74Wh unit. The console is then power-tested and the battery calibrated so charge reporting is accurate before it goes back to you.
Why OG Repairs
We're experienced console repair specialists and every job is backed by a 12-month warranty. Drop off at our London workshop - same-day where possible - or mail it in from anywhere in the UK with our prepaid, tracked service, tracked both ways.
Have a ROG Ally X? That model uses different internals - choose our ROG Ally X Battery Upgrade instead.
About this repair
The stock 40Wh battery is the ROG Ally's weakest link. We fit a higher-capacity 74Wh battery for £129.99, the same capacity ASUS put in the ROG Ally X, for significantly longer play away from the charger. It is covered by our 12-month warranty.
Signs you need this repair
- Battery drains far too quickly in demanding games
- Noticeably shorter play sessions than when new
- Battery no longer holds a charge
What causes it
- Battery wear after many charge cycles
- The small 40Wh stock battery in demanding games
How we fix it
- We open your ROG Ally and disconnect the old battery
- A 74Wh battery is fitted
- We test charging and runtime
See It Done
How we mail-in, diagnose and fix - straight from the workshop bench.
Frequently Asked Questions
How much bigger is the 74Wh battery?
The stock battery is 40Wh, so 74Wh is well over 80% more capacity, the same capacity ASUS put in the ROG Ally X.
Will my games and Windows install be kept?
Yes, a battery change does not touch the storage.
Is it a fix for a worn battery too?
Yes. If your original battery has worn down and no longer holds a charge, this is the right fix.
How long will the repair take?
We aim to complete repairs as safely and as soon as possible, however note it can take up to 3-5 days or longer depending on parts availability. When we're busy, a repair or upgrade can be delayed by up to 7-10 working days - we do everything we can to avoid that and keep you updated.
How do I send my console in?
As soon as you have completed your order we will send you a confirmation email. In the UK that includes your prepaid tracked label (if you chose one at checkout) - a QR code to use at your local Post Office. Outside the UK we send our workshop address and shipping instructions so you can post your console in. Once repaired, we ship it back to you tracked at no charge - UK and international.
Is there a warranty?
We offer a 12 month warranty on all repairs carried out at OG Repairs.
Can you repair a modified console?
Yes, let's see what's possible.
Do you send proof of the repair?
Yes - we send photos and a before/after video showing the fault fixed, so you can be confident in the work before your device is even back in your hands.
Can I drop it off in person?
Yes - book a drop-off at our London workshop (Unit 9, Hatcham Road, London, SE15 1TR); visits are by appointment. Console repairs are a UK-only service, so mail-in is available from anywhere in the UK.
What payment methods do you accept?
All major cards, plus Klarna, Clearpay, Apple Pay and Google Pay - so you can spread the cost with interest-free instalments.
Test & Calibrate Your Controller
Download the free OG Controller Tester app to check for stick drift, test every button and trigger, and recalibrate your pad in seconds. Works with PS5, Xbox, SCUF and more.
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