• Always Exit Your Apps When You're Not
Using Them : Never forget to exit your apps
when you are not using them. Leaving your
apps on when they're not in use will drain
you battery , even when your phone is on
standby mode.
• Turn Off Your Networks When You're Not
Browsing : Believe me or not , network
connection drains battery. Some powerful
smartphones come with both 2G And 3G
Network options. When the network is on
3G , the browsing connection is always faster
and drains battery. So its advisable to turn
off your data or put it in 2G Mode when
you're not browsing.
• Turn Off Your Bluetooth : Always turn off
your bluetooth when not in use. Leaving your
bluetooth on will expose your device to
incoming virus as well as drain your battery.
To turn it off , naivgate to Settings > General
> Network and select options there.
• Turn Off The Vibration : Turn off you phone's
vibration when not in use or when you phone
is on silent mode.To do so , navigate to
Settings > Sound > and select the options
there.
• Reduce The Brightness Level : lower your
battery consumption by reducing your
screen's brightness. You can reduce it when
you're not making use of your phone. To do
so , Go to Settings > Brightness > and adjust
it from there.
All in all i'ld get advise you to get a power
bank for your phone. If you use an android
phone it has an external power memory
called Power Bank. Power bank is an external
storage device that stores power for your
phone. When your battery is low and there's
no light , all you need to do is connect your
powerbank to your phone and it'ld start
charging on its own.