【Tailored for iPhone 17 Series】Designed specifically for iPhone 17 series, this battery case provides extended standby time with its built-in polymer lithium battery.
【Seamless Functionality】Clever design allows full access to all phone functions without removing the case, combining charging and protection in one sleek package.
【Battery Status Indicator】Four-level LED display shows battery capacity, with flashing indicators during charging for easy monitoring.
【Smart Power Management】Intelligent on/off button extends the internal battery life and enhances overall safety.
【Advanced Safety Features】Integrated circuit design effectively prevents short circuits, overcharging, and operational errors even in harsh conditions.