Fast chargers for phones, tablets, switches, power banks, and laptops. Charge your device quickly, safely, and reliably. GaN technology (low heat generation): Gallium nitride, or GaN, is a material used for semiconductors in modern next-generation chargers. It has been utilized for many years in LED technology as well as in solar cells. A standout feature of GaN material in charging technology is its low heat generation. Less heat means more efficient performance and adherence to the highest safety standards. This innovative material allows for a compact, space-saving design compared to traditional standard chargers.