There’s a new ROG Ally battery mod that promises “50% more playtime” coming soon

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PC gaming handhelds have revolutionized how some people play games on the go. It all kicked off with the advent of Valve’s Steam Deck, which soon opened up the floodgates to alternatives. One of the first to reply was ASUS with its ROG Ally handheld, a Windows 11-based device that remains popular to this day. There are now two versions of the device, the original ROG Ally and the ROG Ally X, with the latter improving RAM and battery hardware specs.
The original Ally suffered quite a bit in the battery life department, and we still see people opting to keep modding their handhelds, especially since it’s cheaper than buying an Ally X right now. And now, popular accessories brand JSAUX has developed its own upgrade kit.
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JSAUX has a 65Wh battery upgrade for the ASUS ROG Ally
For reference, the ROG Ally comes with an 40Wh battery; the Ally X doubled this to 80Wh. As a result, the most popular battery we’ve seen mod is a 74Wh, making for roughly the same battery life improvement. Unfortunately, JSAUX doesn’t reach the same kind of heights, their ROG Ally battery kit features a 65Wh upgrade instead. It is currently listed as ‘coming soon’ on the site for $79.99, down from $89.99 USD.
JSAUX claims that the 65Wh capacity gives you “50% longer gaming sessions without interruptions” with “fast and easy installation” which could prove to be less of an undertaking that alternative mods. It claims the battery upgrade can be done in under 15 minutes and have put together a video guide, seen below. The kit also comes with a custom ROG Ally backplate to replace the original once you’ve finished installing the mod.
We don’t know how long we’ll be waiting for another version of the ROG Ally, as no 2025 model has been announced by ASUS just yet, nor are we aware of any leaks right now. However, what we do know – from a recent Q&A with the ASUS ROG team – is that “Upgradability and repairability” are key success factors of the ROG Ally and we expect future models to follow the same core design philosophy.