1. Turn the phone off. Possibly do this if it will be for a few hours, as the way toward killing the phone or on really utilizes a ton of intensity. This will presumably be the best and straightforward method of monitoring battery life between charges. If you don’t anticipate picking up the phone while you’re resting or after business hours, simply turn it off.
2. Use flight mode when you needn’t bother with a consistent web association. In case you’re someplace that versatile information and phone inclusion is frail or nonexistent, turn on flight mode until you return to all the more likely assistance. You won’t have the option to utilize portable information or phone administration in off-line mode, yet you can in any case use Wi-Fi.
To turn on quite a mode, swipe down from the highest point of the home screen (Android) or open the Control Center (iPhone) and tap the plane.
3. Decrease your screen brilliance and generally speaking screen time. Your Android or iPhone utilizes more battery while the screen is on, particularly if your brilliance is entirely high. If your battery is low, abstain from keeping the screen on while adhering to route guidelines, don’t watch recordings, and avoid games and applications with loads of activities.  If you do need to utilize the screen, diminishing the brilliance will save more battery power.
To diminish the splendor on a cell phone, swipe down from the highest point of the home screen (Android) or open the Control Center (iPhone), and slide the brilliance slider left or down until the screen darken.
Utilize a dark foundation if you have an AMOLED screen. It will utilize less force because AMOLED screens just light the pixels required for a picture—if a picture is dark, all the pixels are off.
At the point when not being used, the screen is likely to set to kill after a specific measure of time. You can diminish the measure of time your cell phone’s screen remains lit up by visiting How to Adjust the Screen Timeout on an Android Phone or How to Change Auto-Lock Time on an iPhone.
In case you’re utilizing an iPhone, debilitate the Raise to Wake highlight so your screen doesn’t come on naturally when you lift it. You’ll discover this setting in
Settings > Display and Brightness
4. Debilitate Bluetooth, Wi-Fi, as well as GPS. Leaving any of these administrations on when not being used utilizations your battery. Leaving Bluetooth on utilizes battery power in any event when you’re not combined, and having Wi-Fi empowered makes your phone continually look for accessible passageways.
To cripple Bluetooth or Wi-Fi, swipe down from the highest point of the home screen (Android) or open the Control Center (iPhone) and tap the Bluetooth (a sideways tie) or Wi-Fi (three bent lines looking like a pie cut).
Perceive How to Turn Off Location Services to figure out how to cripple your phone’s GPS.
In case you’re utilizing a non-cell phone, you can generally discover the choices to impair these administrations in your settings.
5. Empower Low Power or Power Saving Mode when the battery is low. In case you’re coming up short on battery power, you can empower an exceptional mode on your Android or iPhone that can get you some additional time. See Enabling Power Saving Mode on Android or Enabling Low Power Mode on an iPhone to figure out how.
6. Mood killer vibrations. If conceivable, put your phone on quiet or simply utilize the discernible ringer. Vibrations utilize more force than tone.
7. Utilize the camera sparingly. If you realize it will be some time before your phone’s next charge, abstain from utilizing the camera, particularly the glimmer work. Streak photography can deplete your battery rapidly.
8. Keep your calls short. This is self-evident, yet how often have you heard somebody on their cell phone say, “I think my battery’s perishing,” and afterward proceed with their discussion for a few minutes? Now and again, the withering battery is only a reason to get off the phone, however on the off chance that you truly need to moderate, as far as possible your discussion time.
9. Keep the battery cool. Your battery will last longest whenever utilized close to room temperature, and nothing wears on a battery like stretched out presentation to high temperatures. While you can’t control the climate, you can abstain from leaving your phone in a hot vehicle or direct daylight, and you don’t need to convey your phone in your pocket, where your body warmth will raise its temperature. What’s more, check the battery while it’s charging. On the off chance that it appears to be too hot, your charger might be failing.
10. Charge your battery accurately. Utilize the right charger for your phone to maintain a strategic distance from inappropriate charging. Get a charger from the producer, not the service station.
Nickel Metal Hydride (NiMH) batteries (normal in non-cell phones) normally get very warm while charging, except if you utilize a specific “moderate charger.” If your phone utilizes a NiMH battery, don’t stress over the warmth created during charging except if it turns out to be hot to such an extent that it is awkward to contact.
When utilizing a vehicle charger, don’t charge the battery when within the temperature of your vehicle is hot. Hold up until the vehicle has cooled before you plug in the phone.