Now, mobile phones are packed with Li-ion batteries which are far better than the ancestors nickel cadmium and nickel hybrid batteries.
The life span of the cell phone battery is 2-3 years. The battery life of a mobile phones is 300 and 500 discharge/charge cycles. Don’t completely discharge your battery until it gets switched-off itself. The depth of discharge(DoD) is directly proportional to discharge cycles. If the DoD is 100% the discharge life cycle is 500 and if DoD is 50% then discharge cycles are 1500. So, the deep discharge of the battery decreases the battery capacity.
If you are not going to use battery for a very long period it is better to keep it in the cold place even in refrigerators or in the dark place having less than 25 of temperature.
Don’t buy duplicate batteries they may explode.Always use a battery charger, which is by the same manufacturer as your phone, it gives it more life. It also helps if you overcharge your battery now and then.
The android phone users must make some changes to their settings which kill battery power for the better battery backup . Go to Settings –> About Phone –> Battery use to see what has been killing your battery life. The applications that you have installed must be revised regularly to know whether they are making any use or not. Remove the apps that are not useful in your android device.
The smartphone users need to look up whether your Bluetooth, Wi-Fi and GPS are activated when they are not necessary. Also make changes to ringing volume to as low as you hear, set vibration only if necessary other wise mute or make it to ring, the brightness of the phone should also be considered to low and don’t use animation screen savers which utilizes more battery power.

3G mobile phones are used for video calling and data access. Switch the cell phone to GSM mode from the 3G mode when not necessary.It consumes less battery power and gives you better talk time.
The dual sim mobile phone have drawback that they consume more battery power. Buy shift mode dual sim mobile phones which consumes less battery power compared to the other dual sim phone which function simultaneously.
If you are a regular traveler who travels along with your cell phone and need better talk time, it is better to follow some tips for better talk-time. The cell phone utilizes more charging power to access the signal. so, it is better to change your network access settings from automatic to manual. Use Bluetooth, Wi-Fi and GPS when ever they are necessary.

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