How To: Improve Battery Life on Your Nexus 7 Tablet with This Easy Power-Saving Tweak

How To: Improve Battery Life on Your Nexus 7 Tablet with This Easy Power-Saving Tweak

Like most Android devices, the Nexus 7 suffers from its fair share of battery gripes. Nobody wants to see that dreaded "connect charger" warning pop up on their screen. NOBODY. Yet it probably happens to you every day nonetheless. What can you do about it besides charge, charge, and charge? Well, there's actually plenty that you can do. You can manage your notifications better, keep your screen brightness low, and kill apps running in the background. Or, you could just optimize your battery to its full potential, squeezing every bit of juice out of it!How exactly do you do that?

Use a Custom KernelThe stock Nexus 7 kernel isn't built efficiently enough in regards to battery life. Installing a custom kernel that's battery-centric will help keep you powered up longer, and hopefully you'll never have to see that "connect charger" warning ever again!Sure, you could install some battery-saving apps to help you out, but who wants to do that when you can just go under the hood and fix it? It's really simple and quick to do! Image via wonderhowto.com For this how-to, I'll be using the Franco Kernel by famed developer Francisco Franco, who created the Simple Reboot and Nexus 4 Display Control apps. In my tests, this kernel has proven to be the best battery efficient one out there that does not compromise the overall performance of the Nexus 7.

How to Install the Franco Kernel on Your Nexus 7You'll need to rooted with a custom recovery to follow this guide. So, head over to my definitive guide to softmodding your Nexus 7 tablet before getting started.Using your Nexus 7 tablet, head over to this link and download the latest Franco Kernel. Newer versions will be listed with the highest number. Boot into your custom recovery by powering it off, then press and hold both power and volume down buttons. Then just follow along with the quick steps below.Tap on Install. Go to the Downloads folder. Tap on the Franco Kernel .zip file. Then just "Swipe to Flash" (i.e. install). Reboot. Like I mentioned before, this is quick and easy! You'll be able to verify that the Franco Kernel has been installed by going to Settings -> About Tablet and looking at Kernel version. There's nothing to configure! The kernel does all of the battery saving work while you use your Nexus 7, but you can always still do some additional tweaks for maximum battery life. Here are a few of my own tweaks that I made after installing Franco.Disable NFC in Settings -> Wireless and Networks -> More.... NFC is one of those great features with a lot of promise, but almost nobody ever uses. I recommend disabling this unless you have NFC-enabled devices (speakers, tags, etc.) connected to your tablet.Disable Bluetooth in Settings -> Wireless and Networks -> Bluetooth. Same with Bluetooth. Unless you use Bluetooth headphones or devices connected to your Nexus 7, turn this off.Tweak screen brightness. Auto brightness is good enough for most users, but try adjusting it to the lowest setting you can go to before you can't see the screen.

Keeping Franco Kernel UpdatedSince your kernel is essential for your Nexus 7's power saving abilities, it's best to keep this updated. Luckily, there's an app on the Play Store to do this for you called Franco.Kernel Updater Free. Download and install this app on your Nexus 7 tablet. Launch the app and tap the option for updates. That's it! Your battery life should be much better now.Users with the Franco Kernel usually get an additional 2 hours of constant on-screen time. Don't believe me? Check out the hard numbers over on XDA, where Bailey Cook did a kernel comparison with the Nexus 7 in mind specifically. Franco Kernel came out on top!Franco: 7 hours 50 minutes M-Kernel:7 hours 10 minutes GLaDOS: 7 hours Lastly, here's my battery usage on my Nexus 7 tablet.. As you can see, mine latest over a day and I still haven't had to charge it. Give it a try and increase your battery life now! Let us know if it worked for you.



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