This waterproof test panel allows you to check the status of two separate batteries using a 3-position switch and a clear digital voltmeter. Ideal for boats, RVs, 4x4s, and demanding marine environments.
3-position ON-OFF-ON switch – select Battery 1 / OFF / Battery 2
Digital voltmeter 5–30V – accurately displays each battery’s voltage
Built-in LED indicators – top green LED for Battery 1, bottom green LED for Battery 2
ABS plastic panel – UV-resistant, splashproof, and durable
Easy installation – pre-wired with stainless steel screws and silicone gasket included
12/24V compatible – works with all boat, van, or onboard battery systems
Battery 1: flip the switch upward to read the first battery’s voltage
OFF: center position to power off the system
Battery 2: flip the switch downward to read the second battery’s voltage
Simple wiring: connect +BAT1, +BAT2, and GND (see wiring diagram)
The voltmeter instantly displays the voltage with bright red 3-digit LED
Boats, RIBs, sailboats, yachts
Campervans, vans, 4x4s, tractors
Suitable for dashboards or center consoles
Also check out our RSP panel series with breakers and dual-color LED switches.
Parameter | Value |
---|---|
Switch Type | ON-OFF-ON SPDT (4P) |
Supported Voltage | 5V to 30V DC |
Power Supply | 12V / 24V DC |
Voltmeter | 3-digit red LED digital display |
Indicators | Green LED (Battery 1 / Battery 2) |
Panel Material | UV-resistant black ABS |
Dimensions | 100 × 60 mm (3.94" × 2.36") |
Mounting Cut-out | 82 × 42 mm |
Mounting | 4 stainless steel screws, silicone gasket included |
Pre-wired | Yes |
Discover tips, tricks, and detailed instructions on using our product in our dedicated blog post. Learn about setup, operation, and optimization to get the most out of your purchase.