In addition to providing some battery tips, the official Galaxy S7 Edge user guide makes some disclaimers regarding Fast Charging, and one of them we found particularly interesting: for Fast Charging to work the screen must be off.
Here are some more tips and info on Galaxy S7 Edge Fast Charging, directly from Samsung:
About Fast charging
Here are some more tips and info on Galaxy S7 Edge Fast Charging, directly from Samsung:
About Fast charging
- Fast charging uses battery charging technology that charges the battery faster by increasing the charging power. The device supports Samsung's Adaptive fast charging feature and Qualcomm Quick Charge 2.0.
- To use Fast charging on your device, connect it to a battery charger that supports Adaptive fast charging or Quick Charge 2.0.
- To increase the charging speed, turn the device or its screen off when you charge the battery.
- While charging the battery when the device is turned off, the 5 icon appears on the screen.
- You cannot use the fast charging feature when the screen is turned on. Turn off the screen to increase the charging speed.
- Tap Apps —, Settings —, Battery, and then tap the Fast cable charging switch to activate it.
- You cannot use the built-in fast charging feature when you charge the battery using a standard battery charger.
- If the device heats up or the ambient air temperature rises, the charging speed may decrease automatically. This is a normal operating condition to prevent damage to the device.
