If you’re new to owning a smartphone the biggest thing you’ll have to get used to is how often you’ll have to charge your phone. Especially if you’re coming from a phone that was, well, just a phone; it’ll be a big change from charging your phone once every other week to once every other day. So here are some tips that can help you max at your battery life.
most smartphones have either a Lithium Ion battery or a Lithium Polymer battery. Both are Lithium Ion though, and as such, do not have a ''memory'' which means you don't have to fully charge or discharge them at the beginning, and partial charging is fine throughout their life. In fact, these types of batteries suffer from low voltage, so it's actually much better to charge them, even if only a little, whenever you have the chance rather than to fully charge and fully drain them.
1. If your phone has an AMOLED screen (like most Samsungs), use a dark colored background, because AMOLED screens only illuminate the colored pixels. Black pixels are unlit, so the more black pixels you have, or the more darker pixels, the less battery you need to light them up. Using darker app backgrounds/themes and darker launcher themes will further prolong your battery life (if your device has an AMOLED screen).
2. Don't use display auto-brightness. It may sound good, but auto-brightness is usually way brighter than you really need. It's much better to manually set a super low brightness level that is still comfortable, and then just bump it up when necessary. This is one of the main ways to improve your battery life as the screen is one of the biggest battery suckers.
3. Anytime your phone vibrates a lot of battery is used. This include haptic feedback. A lot of keyboards have the option to turn off haptic feedback and I would recommend it. If you’re a heavy texter you’ll notice very quickly how much longer your phone will last. Also, if you’re in a place where you can easily hear your phone why do you need to have vibrate enabled? If you know you’ll be able to hear your phone there’s no reason for it to be buzzing too.
4. Set your display's screen timeout to as short a time. Just think, if your screen timeout is set to a minute, it'll use four times the amount of power to have it on, every time you switch your screen on, than if your timeout is set to 15 seconds. Studies report the average smartphone user turns their smartphone on 150 times a day, so anything you can do to limit that frequency will help keep your battery running for longer.
5. Do not use task killers Especially if you’re on Froyo (Android 2.2) or higher, Android has it’s own task killer that’s actually very good. Separate task managers have to constantly be running in the background which can actually use more battery than it saves. Yes, task managers can use more battery than they save.
6. Set ''sleep times'' or ''blocking mode'' to switch off Wi-Fi and mobile data when you don't need them. If your phone is basically off limits at work, set your device to not ring, vibrate or connect to the internet while you're at work. Likewise, you can set your phone to airplane mode when you're asleep or use sleep or blocking modes to set up limits for what your phone does during certain times of the day, whether that's while you're asleep, at work or in a meeting. Get to know the specific settings your ROM offers. Not only will you have to fiddle with your phone less throughout the day (or night), but you'll be saving on battery life too.
7. Use Juicedefender. A lovely free app (there’s an extended version called UltimateJuice) that helps your phone save battery. You have to see it to understand it, but anyone who is serious about saving battery needs this app.
8. Keep your apps updated. There's a reason developers constantly update apps, and many of these reasons are memory and battery optimizations. Keeping your apps updated also means you have the best optimizations available. Likewise, delete old apps you no longer use, as these may be running background processes that chew up RAM and battery life.
9. If your phone has a battery or power saving mode or other battery management option, make use of it.
10. Turn off auto-syncing for Google accounts. If you don't need every single Google account updated every fifteen minutes, just go into your Settings and Google account and turn off auto-sync for those apps you don't need constantly updated.
11. Your camera flash and battery dont get along. If you like using your camera LED for a flashlight realize that will absolutely MURDER your battery. In all seriousness, your flash uses battery more than any other process on your phone.
12. Your phone is always searching for a stronger signal…This process gets more hectic as the cell signal goes down. So if you’re at one bar your phone’s battery life will drop faster than if you’ve got full coverage. There’s not much you can do here, but if you’re in a place where your phone has little to no signal anyway, you probably won’t be making calls so you might want to just turn on airplane mode or your phone off.
13. Force your android device to use only 2G network instead of other ones. Go to settings -> Wireless Control -> Mobile Networks -> Use only 2G networks. This is very effective to save battery power.
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