For sale is the original Remax GaN 45W fast charger set (model: CA-25). What does 45W GaN mean and what are its advantages? GaN (gallium nitride) technology: This is the latest generation technology in chargers, replacing silicon. As a result, the charger is much more compact, less heated, and saves energy more efficiently. 45-watt power (45W): means high productivity - it not only charges phones at a record speed but also freely provides the necessary energy to more powerful devices (such as tablets or some laptops). Dual port (2 ports): allows you to charge two devices at the same time witho