PowerShield C18 delivers a stable charge at speeds up to 18W, quickly powering up your device. PowerShield C18 offers real-time monitoring 200 times per second. If charging conditions are abnormal, protection mode will be automatically activated, thus providing 24/7 safety for battery life and charging. PowerShield C18 monitors voltage in real-time 200 times per second. It automatically activates protection mode if charging environment becomes abnormal, and indicates charging status through the breathing light.