Android continues place-based apps resident within the background, and the constant drain for your battery becomes significant, rapid. If your cellphone has a strength control widget, you could use it to fast activate/off GPS (the biggest strength drain), NFC, Wi-Fi, Bluetooth, and LTE. On stock Android, swipe down to deliver up the Notification bar, after which tap the icon on the top right corner. . Use the greater strength saving mode if you have it.