Free shipping. Keep all your devices fully charged and ready for use with the Monoprice™ 100W 4‑Port USB‑C® GaN Fast Wall Charger. This compact, travel friendly charger is able to simultaneously charge laptops, tablets, phones, earphones, and everything else with a USB power input. Gallium Nitride is a superior material for semiconductors than traditional silicon, with higher voltage levels, need for fewer supporting components, and more efficient current transfer. This means there is less power loss to heat, a smaller form factor, and significantly faster charging than silicon‑based chargers.