Joyroom - Smart Car Charger - Fast, Compact - 3.4 A - Black

Joyroom Digital Display Car Charger with 3 USB ports delivers a total output of 3.4 A and an intelligent charging system to safely power three devices at once. The built-in digital display shows the vehicle battery voltage (e.g., 12.5 V) for continuous monitoring of the electrical system, helping detect battery or alternator issues before they worsen. Its sleek black carbon-fiber-like housing is compact and installs directly into the car’s cigarette lighter socket. Features include blue-backlit USB ports, smart charging to minimize heat, and multiple protections against overheating, overcurrent, and voltage fluctuations. Ideal for long trips, daily commuters, and monitoring car battery health on the go.