Werewolf transformed my old gadgets into USB-C powered ones

The Werewolf VFLEX dongle bridges the gap between USB-C power sources and legacy barrel-jack devices. It does not convert voltage internally; instead, it requests the exact voltage from the USB-C source using Power Delivery protocols. This means the power source must support the voltage the device requires, which is not guaranteed even for high-wattage USB-C chargers. For example, a 140W Apple charger supports 5V, 9V, 15V, 20V, and 28V, but not 19V, which some monitors need. Engineers must verify compatibility before use, as mismatched voltages could damage hardware.

Adopting this solution requires minimal hardware changes but introduces a configuration step. The dongle is programmed via a phone app, where users save profiles for each device and compatible charger. This avoids manual voltage selection but adds a dependency on the app and stored profiles. The dongle retains settings in non-volatile memory, but accidental misconfiguration could still occur if the wrong profile is selected. For field use, this adds a layer of operational overhead compared to a fixed AC adapter.

The dongle’s utility is limited to devices with barrel-jack power inputs. It does not support other legacy connectors, such as proprietary laptop power tips or devices with non-standard jacks. Additionally, the power source must be a USB-C charger or battery that supports the required voltage and wattage. For low-power devices like handheld gaming consoles, this is rarely an issue, but high-power devices may exceed the capabilities of portable batteries. Engineers must assess whether the convenience of USB-C power outweighs the limitations of available power sources.

The practical benefit is the elimination of proprietary AC adapters for many legacy devices. This is particularly useful for portable setups, such as powering a monitor or gaming console from a USB-C battery. However, the dongle does not replace the need for voltage and wattage awareness. Users must still know the original power requirements of their devices, as the dongle cannot auto-detect voltage for dumb barrel jacks. This makes it a niche solution for engineers who frequently work with older hardware and are willing to manage the configuration trade-offs.