Battery Doc Battery Disconnect Switches
Battery Doc Battery Disconnect Switches: Reliable Power Control for Every Application
When it comes to protecting your vehicle, boat, RV, or commercial equipment from parasitic drain, electrical fires, and theft, few components do the job more dependably than a quality battery disconnect switch. Battery Doc — the battery accessories brand from WirthCo® Engineering — has built a reputation over decades as a go-to source for purpose-built battery disconnect switches that cover the full range of 12-volt and multi-voltage applications.
A Heritage of American-Made Battery Innovation
Since 1980, WirthCo® Engineering has provided high-quality battery accessories made in the United States with heavy-duty ratings and durability. That long-running manufacturing heritage means Battery Doc disconnect switches are engineered with real-world durability in mind — not just for weekend warriors, but for professional mechanics, fleet managers, and serious hobbyists who depend on their electrical systems every day.
A Switch Style for Every Need
Battery Doc's lineup of disconnect switches is notably broad, making it easy to find the right solution regardless of your setup. Their inventory includes master battery disconnect switches, keyed and rotary switches, and other styles to meet your needs. Whether you're cutting power to a single 12-volt negative terminal or managing a complex dual-battery rig, there's a Battery Doc option designed for the task.
- Mini Master Disconnect Switches — Compact 2-position units engineered for single 12-volt battery applications, ideal for tighter engine bays or light-duty vehicles.
- Master Disconnect Switches — The Master Disconnect Switch Without Lockout Plate features 10mm threaded studs with nuts and delivers 175 amps continuous and 1,000 amp peak, making it well-suited for demanding starts and sustained electrical loads.
- Remote Battery Disconnect Switches — Battery Doc remote battery disconnect switches feature a toggle switch to manually switch your battery off and on from a remote location, rated at 275 amps continuous, 455 amps intermittent, and 1,250 amps cranking.
- 4-Position Dual Battery Selector Switches — Designed for dual battery applications, these feature four positions — BOTH, 1, 2, and OFF — and work for applications ranging from 6 to 36 volts, with a rating of 310 amps continuous and 500 amps intermittent.
- Disconnect with Bypass Fuse — This design isolates your battery at the turn of a knob, preventing battery drain over long periods of time, deterring theft, and providing safety when working on your vehicle.
Built for Automotive, RV, Marine, and Commercial Use
Battery Doc provides a wide range of battery cut-off switches to meet the needs of specific applications — including commercial vehicle disconnect switches that offer effective, preventative measures to reduce excessive battery drain, and RV disconnect switches that conserve power by blocking power flow for vehicles stored for extended periods.
Battery disconnect switches, also known as cut-off switches or kill switches, are designed to cut off electrical power, protecting against electrical fires and theft when equipment is not in use. They are a reliable component that shuts down electrical power during maintenance and prevents excessive drain, providing safety and anti-theft measures that help maintain your system's integrity and lifespan.
Battery Doc also offers patented Battery Disconnect Knife Switches to stop unwanted parasitic power draw, rounding out one of the most comprehensive disconnect switch catalogs available from a single brand. Whether you're a DIYer winterizing a seasonal vehicle or a fleet operator standardizing electrical safety across dozens of trucks, Battery Doc's lineup offers the depth and reliability to get the job done right.