SDV-B - Snap-in Double Voltmeter, Blue LED Display, Rocker Switch Style Voltage, Monitor with Adaptor Plate for Car, RV, Truck, UTV, Boat, Dual Battery Packs

The SDV-B is a snap-in double voltmeter designed to monitor two battery packs simultaneously in real time. Built in a rocker switch form factor, it installs cleanly into standard switch panels and works across a wide range of 12–24V vehicles including cars, trucks, RVs, UTVs, motorcycles, ATVs, and marine boats. At a glance, it tells you when a battery needs charging or replacement before you're left stranded.

• Dual battery monitoring: Reads two separate battery packs simultaneously with real-time voltage display.
• Blue LED digital display: Scratch- and corrosion-resistant screen with clear, easy-to-read voltage readouts.
• Wide input range: Supports up to DC 60V, compatible with most 12V and 24V vehicle systems.
• Built-in circuit protection: Over-current, over-voltage, and short circuit protection safeguard the vehicle's electrical system.
• Rocker switch style with adaptor plate: Snap-in design fits standard rocker switch panels for a clean, integrated look.
• Broad vehicle compatibility: Suited for cars, trucks, RVs, UTVs, motorcycles, ATVs, and boats.