OtterBox's fast chargers are robust and durable. This 45 W charger is powered by GaN technology, offering higher efficiency due to reduced heat generation and a minimal form factor – all while delivering maximum power. Like all OtterBox chargers, this device is drop-tested and can be used for many years thanks to its sturdy casing. Carefully developed with industry-leading expertise in mobile phones and proven quality, as well as unique durability, these sturdy chargers are designed to seamlessly fit OtterBox cases, display, and power accessories.