After you properly installed the battery you need to connect the original Rog Ally (or compatible) Type-C battery charger. We did leave the battery to charge fully and we did perform 2-3 cycles of charge-discharge to get the full potential of the battery. JSAUX doesn't mention the need for this procedure but we felt the battery should be performed at least 2 cycles before testing. For our tests, we used the latest PCMark10 battery Gaming test and we set the Rog Ally at 25 watts (Turbo mode) to see how much gain users can expect from this upgrade.

All tests are done with the battery charged 100% and the test performs various tests before the Rog Ally closes with 3% battery left. So take the posted numbers with some caution, cause you might have some more minutes before battery exhaust. We did have the same brightness at all tests and nothing was running in the background, only the PCMark 10. Lastly, all tests were done with the same NVME and the same Windows 11 latest build with all updates installed as well as setting a battery at performance level. We added test results from a user-modded battery with 74Wh rated capacity, which is being sold at AliExpress and requires many more modifications to the shell compared with the JSAUX 65Wh rated battery that also comes with a backplate.

As we can see there is some weight difference between the stock Rog ally battery and other upgrade options, as was expected, the difference is 94gr for the Stock vs JSAUX and 110gr for the Stock vs Noname Mod battery. Note that the Noname mod battery doesn't have any aluminum heat spreader that would also increase further weight and would have better thermal behavior as well.

The JSAUX despite being given the 65Wh rated capacity, under Windows is recognized as 61.146mWh rated, despite running 3 cycles of charge-discharge so we assume that the real capacity. The Noname mod battery, while rated at 74Wh seems to have more juice to give with almost 78Wh (capacity as reported after three charge-discharge operations). So let's down to business with the test results.

After running the PCMark 10 Battery test (Gaming preset) three times, we report the best result, even three runs have some slight difference (1-2 minutes each). All tests were performed with the same Operating mode (25 watts) and with the same screen brightness (~30%). Decreasing operating mode (for example 15 watt) or increasing screen brightness will change test results so keep that in mind when comparing the batteries.

(25Watt Operating mode)

Looking at the test results, we see that the original battery can hardly do one hour of demanding 3A gaming with only (?) 52 minutes of test results. Our sample of the Rog Ally has already around 10% battery wear so we assume a full new Rog Ally would take around 1 hour more or less. The JSAUX 65Wh battery has around 1 hour and 43 mins after that point your system will eventually shut down. The Noname 74Wh mod battery came first with 2h and 13mins, which is around 30 minutes more than the JSAUX, which is expected since it has also a much higher overall real capacity (61.610mWh vs 78.709mWh).

How about charging times? Well, that is a tricky question since all batteries start charging at 30 watts and gradually drop charging speed. We don't have specialized equipment to showcase all scenarios, but since the original battery charges around 1.5 hours, you should expect around 2.5 hours for the JSAUX 65Wh battery and around 3+ hours for the Noname 74Wh mod battery. Again we will update our review when we have such special equipment with accurate charging results.

- Conclusion

Concluding our review, we found the JSAUX 65Wh battery to be a good product for many reasons. First of all, it extends the running time of your 1st Gen Rog Ally from 1 hour at 25watts operating mode, up to almost 2x, and with lower TDPs you will get even higher differences. Second, it is a fully retail package product, with a second backplate, meaning you don't need to make any modifications to your existing Rog Ally backplate and probably lose your warranty. Third, it also includes a passive heatsink for your NVME SSD and of course tools and all needed screws to operate the change. Lastly, as we mentioned it is a real retail product with supports, an installation guide, and the brand name of JSAUX which has released many peripherals for Steam Deck and Rog Ally.

Passing into the neutral points, the JSAUX 65Wh included aluminum heat spreader isn't compatible with 2280 NVME adapters, and JSAUX mentions that using a 2280 NVME adapter will press further the battery cable, we feel that you can use 2280 adapters if you don't use the aluminum heat spreader and don't overtight screws. Also, the battery while rated as 65Wh, the real capacity was somewhat lower (~61.610mWh), which is typical for batteries at electronics devices. Lastly, the overall installation process will take around 15 minutes, however, JSAUX has an online guide and a corresponding Video guide that helps a lot with this.

The retail price of the price is at the moment of this writing around $79.99 which can be considered a good upgrade to the stock Rog Ally battery, which should already have shown %wear (ours without much play already showed 10% wear). There are also other solutions with higher capacities (74Wh even 80Wh), that however aren't sold through an official website and cost much more (~100-120 Euro), than the JSAUX 65Wh battery.

The JSAUX 65Wh battery is a good replacement for all Rog Ally users who simply are jealous of the increased battery that the Rog Ally X offers (almost double), with a good retail price and of course warranty.