We finally can deliver you part two of our Mugen Power Xperia X10 battery review. We want to apologise for the long delay in getting our results to you, but we wanted to make sure each battery had been properly run in before revealing our findings.
In part one, we went through the ergonomics of each battery including the weight and showed you what you get in the box. As a quick reminder, Mugen Power provide two batteries for the Xperia X10, a 3,600mAh capacity battery (with its own back housing) and a 1,800mAh battery, that will fit as normal. Click through for the results.
To test the batteries we ran one main test, three times for each battery. We then took an average of the battery times to determine overall battery life. Testing battery life can be extremely subjective so the test we devised was one that would stress the phone the hardest. These results, therefore, are not indicative of what you would see on a day-to-day basis and should be compared relatively.
The test involved not using a sim-card (partly as I needed to use my phone and didn’t want to skew results by the number of phone calls made). We turned on Bluetooth, Wi-Fi and GPS. We also made sure the screen never timed out and set the brightness to 100 percent. We then used the AmbientTime Home launcher and left it running (with the animations) until the battery ran out completely.
This is by no means a scientific test, but it should give you an idea on the relative performance of each battery. The 1,800mAh Mugen Power battery lasted for 259 (4h 19m) minutes on average, 17 minutes ahead of the stock 1,500mAh battery (242 minutes). However, both paled into comparison against the 3,600 Mugen Power behemoth that managed 496 minutes (8h 16m).
We’ve talked about the bulk of the larger 3,600mAh battery in part one of our review, but the real question comes down to battery life. For those on the road, the extra size is probably worth putting up with considering the much superior battery performance. Yes, it is thicker (much thicker) and heavier than the original battery but on the flip side it delivers a battery performance nearly twice as long as the stock battery. On a day-day-day basis you do notice the bulk but it’s surprising how quickly you get used to it. The main bug-bear is obviously none of your existing cases will fit, although Mugen Power does have a solution for that. Yes, it is pricey at $ 96.95, but for those that spend most of their time on the road, it is likely to make a big difference to usage.
For the lower capacity 1,800mAh battery, the verdict is less clear cut. Yes, it offers an improvement over the stock battery, but in our testing, you probably wouldn’t notice a tangible improvement over the existing battery . However, if you were planning to buy an additional battery anyway, we would go for the Mugen Power battery every time. At the end of the day it does deliver an improvement in battery life (albeit small) and the cost differential isn’t too great. Topping that off with one of the most reliable third-party battery manufacturers just adds to the overall proposition.
Many thanks to Mugen Power for sending both batteries for us to test as well as giving us the time needed to post credible results!