999 in stock
Top Post Battery Disconnect Switch with Voltmeter 5–80V, Master Cut-Off for Car, RV & Boat
Top Post Battery Disconnect Switch with Voltmeter 5–80V, Master Cut-Off for Car, RV & Boat
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LED Voltage Display Battery Disconnect Switch
This top post battery disconnect switch features a large LED digital display that shows real-time battery voltage when turned on. It helps you easily monitor battery health without an extra tool. The screen automatically turns off when the switch is off, and the matte surface improves scratch resistance and readability.
Easy Installation for Tight Spaces
Designed to fit 16–17mm (0.63–0.67in) negative battery posts, this switch includes an adjustable mounting angle for easier installation in tight engine compartments. Unlike fixed-angle designs, it adapts better to limited space and can be installed quickly without special tools.
Durable Nylon 66 & High Conductivity Contacts
Built with flame-retardant nylon 66 housing, offering stronger heat resistance than standard ABS materials. The internal structure uses copper-plated silver contacts, ensuring better conductivity, anti-oxidation performance, and long service life for reliable power control.
5–80V On/Off Battery Cut-Off Switch
Compatible with DC 5–80V systems, this battery disconnect switch supports 250A continuous at 12V and 300A peak current. The simple 2-position design allows easy control: turn clockwise to power on and counterclockwise to disconnect power.
Wide Application for Multiple Vehicles
This master battery isolator switch is suitable for cars, trucks, RVs, boats, ATVs, UTVs, trailers, and battery banks. It can be used as a standalone power cut-off switch or combined with other electrical isolation systems.

Used for DC 5-80V system
Top Post Battery Disconnect Switch With Voltage Display
This power switch with voltage display, which can be used for cars, RV, trucks, yachts, etc., this battery kill switch used for DC 5-80V systems to isolate and secure the electrical system; eliminate any power draw from the battery when vehicle is not in use, disconnect the battery safely; provide a reliable way to shut down electrical power during maintenance and protect batteries from excessive drain. The product uses copper silver-plated screws, nylon shell, making it durable and reliable.

Specification
| Operating Voltage | 5-80V |
| 2 Positions | ON/OFF |
| Current | 250A Continuous at DC 12V, Interval 300A |
| Operating Temperature | -40°C--80°C |
| Accuracy | 1%+2digitals |
| Operating Humidity | <90% |
| Terminal Material | Silver-plated Copper |
| Resolution | 0.1V |
Flame Retardant Housing
The battery switch is constructed from high-quality nylon 66 material, designed for durability and safety to prevent any short circuits.
On/Off 2 Positions
On/Off 2 position, easy to install & simple to use. Used for battery to isolate and secure the electrical system.

Solid Brass Material
Our Boat battery switch features copper wiring plates and iron bolts, which is safer and more reliable in electrical conductivity.

LED Digital Voltage Display
The battery disconnect switch has an LED display that shows real-time voltage, so you can monitor the battery status anytime.




- All components inspected
- 30-Day Returns
- Quick assembly
