Small upgrades matter most in a van. These under $50 USB gadgets fix everyday problems without adding clutter or complexity.

Abstract: Flyback converter with USB power delivery is widely used for fast-charging mobile devices. However, conventional solutions have issues such as lower efficiency, higher cost, a large number ...

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The USB data blocker ensures that only power lines are connected while the data lines are disconnected, preventing any unauthorized data access when charging your devices from public USB ports. - ...