Battery power, or battery capacity, represents the amount of electrical energy that a battery can store. More battery power can be an indication of longer battery life.
2.has a removable battery
The battery is removable and can be replaced by the user if broken.
The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.
Fast charging technologies, like Qualcomm’s Quick Charge or MediaTek’s Pump Express, are used to reduce the time it takes to charge a device. For example, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes.
5.Has an ultra power-saving mode
The ultra power-saving mode, also called low power mode, is an effective way to extend the battery life of the device. Usually, it involves limiting screen brightness and contrast, disabling location services, restricting connectivity, and turning off nonessential apps.
The device's battery life (when in use) as given by the manufacturer. With a longer battery life you have to charge the device less often.