4.2A DUAL USB CHARGER + VOLT - ROCKER SIZE

This dual USB charger with LED voltage display combines fast 4.2A charging (2 x 2.1A outlets) with a built-in 12V battery monitor, letting you power devices while keeping an eye on your system’s health. Designed to fit standard rocker switch panels, it features a black body, LED backlight, rubber gasket, and weatherproof dust cover for long-lasting durability. Perfect for caravans, 4x4s, boats, and off-grid setups, it installs easily with just a two-wire connection to 12V or 24V systems. A practical upgrade for any setup, it’s trusted by DIY users and professional installers for reliable charging and battery monitoring.

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Switch Boss® designs and supplies aftermarket products that are compatible with a wide range of vehicles and equipment. Unless otherwise stated, these products are not genuine or original parts from the listed brands or manufacturers. Switch Boss® products are not affiliated with, endorsed by, or sponsored by any vehicle or equipment manufacturer.

All manufacturer names, models, and trademarks are used strictly to identify compatibility, fitment, or intended use. Brand and vehicle names are included only to show which products our aftermarket parts are designed to work with.

Switch Boss® does not sell or distribute genuine Toyota, Nissan, Mitsubishi, Mazda, Isuzu, Holden, GM, Ford, Suzuki, Volkswagen, Starlink or any other branded products. Our parts are aftermarket alternatives only.