Our 45W charger has a built-in Smart IC chip that provides 3-step charging which charges your mobile battery and enhances its life on each charge. It also has multiple protection against overvoltage, overheating, short circuits, and overcurrent when charging and stopping charging to protect you and your devices. Charger only takes 30 minutes to go from 1% to 50% in the power-on state, and 70 minutes to go from 1% to 100%. The charging speed is quick and recognizes your device, providing a stable charging speed with the use of usb c charger cable.