JAR Systems Quick-Sense USB-C Charging Retrofit for Bretford Cube CartAffordably modernize your charging ecosystem with the JAR Systems Quick Sense USB C Charging Retrofit for Bretford Cube Cart. Traditional charging carts rely on device AC adapters that quickly become outdated, bulky, and cluttered, draining both space and budget. This retrofit kit lets you convert the carts you already own into efficient USB C PD charging hubs, delivering faster, smarter power to modern devices while preserving the familiar Bretford