It means that your iPhone can stop working properly, slow down, and ultimately deliver less battery life per charge. "Low- or high-temperature conditions might cause your device to change its ...

Charging your device with a low ... warning signs, consider replacing it to prevent swelling and further damage. The battery management system (BMS) controls charging, discharging, and temperature ...

A coat or pant pocket will also allow it to get heat from your body temperature, Dowden said. Conserve battery life in sub-zero temperatures by turning on low power mode, airplane mode ...

Additionally, activating the “night shift” feature from this menu can further help preserve the battery. That reduces the blue light emitted from your screen, adjusting the color temperature ...

With colder weather often meaning that fewer chemical reactions take place, it is most likely that this symbol means that the battery is low on ... as soon as the temperature warning light appears ...