Sometime in the nearest future, phone batteries will charge in a few seconds, last for months, and get energy through Wi-Fi! Sounds great, but that time is yet to come. For now, people have to try other ways to save battery life.  Let's figure out if such methods as switching off Wi-Fi or your gadget completely, turning off location services or switching into Airplane Mode really work! And, do battery-saving apps help the situation? Do you have to drain your battery completely before charging it again? Some of these are myths, and some facts are totally true.   

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