Battery Disconnect Isolators of 2025
Best Choice1
Clicked 12 times in the last monthSEACHOICESeachoice Battery Select Switch, Disconnect Isolator Cutoff, Dual, 12 -50V
Main highlights- UL listed, ignition protected and CE approved
- Size: 5-1/4 inch x 2-5/8 inch
- Permits selection between batteries for starting, charging or operation in parallel
- Manufacturer part number 50-11501
- For use with two or more batteries and systems under 50V
- Capacity: 250A continuous, 360A intermittent
9.7Exceptional
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Value for Money2
Ponzkoe250A Smart Remote Kill Switch for Car - Battery Disconnect Switch 12V 24V, Anti-Theft Power Cutoff with LED Voltage Display, Heavy Duty ON/Off Isolator for Truck Boat RV ATV Marine(Negative Terminal)
Main highlights- 【Smart Voltage Guardian - Auto Battery Protection】The kill switch constantly monitors battery voltage. In smart mode, if the voltage drops below 11.4V, the remote control function is disabled to prevent accidental shutdowns. The switch operates normally within voltage ranges of 11.4-14V or 23-27V, ensuring your battery is always safeguarded. If the battery voltage is below 6.5V, the device will not function. For voltages between 6.5V and 11V, remote control is not available, but manual control is supported.
- 【Premium Pure Copper Construction - Durable & Reliable】Crafted from pure copper, this battery cutoff switch boasts enhanced durability and reliability. Upgraded from previous models, it includes improved accessories for a more secure installation contact, guaranteeing a stable connection and superior performance that lasts.
- 【Long-Lasting Performance - Ultra-Low Standby Current】With a standby current of just 0.007A—significantly lower than the original vehicle's 65mA—this kill switch ensures your battery stays charged even during extended periods of inactivity, providing reliable long-term protection.---Do not disassemble the device on your own to avoid damaging the circuit board, which may affect the normal use of the product.
- 【Dual Control Mode - Remote & Manual Convenience】Switch effortlessly between the compact remote for everyday ease and the manual ON/OFF button. The battery disconnect switch features 5 bright green LEDs that light up to confirm each action, eliminating uncertainty about your vehicle's protection status.
- 【1-Click Protection - Instant Security】Tap the keychain remote to immediately cut off power, thwarting potential theft and halting parasitic battery drain. Whether parked in a bustling lot or stored remotely, your car, RV, ATV or boat remains safely guarded.
9.6Exceptional
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3
Nilight21% OffNilight - 90015A Battery Switch 12-48V Waterproof Heavy Duty Battery Power Cut Master Switch Disconnect Isolator for Car Vehicle RV and Marine Boat (On/Off),2 Years Warranty
9.5 worth the money9.5 Easy installation9.3 Simple to useWhy we love it
Durable ABS plastic construction.
Ideal for various vehicles.
Simple to install.
9.5Excellent
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4
Generic43% OffHeavy-Duty Smart Car Battery Disconnect Switch - 12V/24V Isolator Cut-Off Switch for Cars, Trucks, RVs & Boats - Reliable Battery Kill Switch
Main highlights- User-Friendly and Ready to Use: Designed for hassle-free vehicle maintenance, our battery disconnect switch allows you to effortlessly cut off power. Its straightforward design ensures quick removal, replacement, or repair of your battery with ease
- Reliable Battery Cut-Off for Maximum Protection: Our efficient battery kill switch ensures that your vehicle’s battery is securely disconnected when not in use. Whether you're a car, truck, RV, or boat owner, this switch helps maintain optimal battery performance and longevity
- Prevents Battery Drain & Enhances Safety: Safeguard your vehicle from accidental discharges and battery drain with our essential kill switch. This tool is a must-have for anyone looking to protect their electrical system, making it perfect for both truck and car users
- Heavy-Duty Design for Extended Battery Life: Engineered to enhance battery life, our robust disconnect switch cuts off power effectively. Perfect for both truck and car applications, it guarantees your battery lasts longer while operating at peak efficiency
- Durable and Safe Construction: Crafted from premium materials, including pure copper for superior conductivity, this battery switch is built to withstand tough conditions. Ideal for truck and car use, it offers long-lasting protection for your vehicle's electrical system
9.4Excellent
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5
FEITON500A High Current 12V-36V Battery Cut Off Switch with Lock-Out Plate, Replace 20247, Waterproof Master Battery Disconnect Switch Fixed Handle Isolator for Car, Truck, RV, Yacht, Boat
Main highlights- UNIVERSAL BATTERY DISCONNECT SWITCH - Which protects against electrical fires and theft when equipment is not in use and provides a reliable way to shutdown electrical power during maintenance and protect batteries from excessive battery drain. Disconnect the battery when you are not driving a Car / Boat / RV / Yachts / Vehicle / ATV / Trucks / Off-road / Tractors / Agricultural Equipment, etc. Keep you safe all the time.
- SIMPLE OPERATION - High Current Battery Cut Off Switch with Lock-Out Plate, turn the knob to turn it on or off. The heavy duty rotary handle is locked to the panel through a padlock hole to prevent accidental opening or closing, as well as tampering or unauthorized use.
- HIGH CURRENT & WATERPROOF - 12V-36V, 500A rated current, 5000A instantaneous current, replacement part number: 20247, 10MM threaded studs with nuts, polarity negative, metal material, watertightness processing.
- EASY TO INSTALL - Compared to the remote control switch, there is no need for programming or code, just connect the product with wire, the operation is very simple. For the specific connection mode, please refer to the wiring diagram in our product picture. If you have any questions, please contact us in any time.
9.3Excellent
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6
AmpperAmpper Side Post Battery Disconnect Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off)
Why we love it
Easy installation with no modifications needed.
Durable and safe ABS plastic housing.
Ideal for multiple vehicle types.
9.1Excellent
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7
LEHKGTop Post Battery Disconnect Switch Positive 12V 48V Waterproof Master Power Cut Off Isolator, Heavy Duty 12 Volt On/Off Battery Switch Brass Terminals for Cars, Trucks, RVs, Marine, Boats, ATV/UTV
Main highlights- Wide Application: Suitable for 12-48V systems to isolate and secure the electrical system, it can be used alone or locked together with other switches. It's widely used in cars, boats, RVs, campers, travel trailers, trucks, tractor, ATVs, UTVs, battery banks, and other electrical devices
- Upgraded Battery Disconnect Switch: Used for DC 12V-48 V power systems, ON/OFF 2 positions; Rating: 275A DC continuous (1hr), 455A DC intermittent (5 min), 1250A DC cranking (10 sec). Stud Size: 2x3/8" (10mm)
- Safety Protection: This battery disconnect switch is installed on the positive of the battery, which is easier to install than other's limited products, and it's more in line with daily operating habit, isolate the electrical system easily and safely, eliminate any power draw from the battery when vehicle or boat is not in use
- Package Includes: 1 battery switch with copper conductive sheets, 1 battery terminal connector clamp set, 1 top post bolt and gasket
- Note: This battery switch is specifically designed for 17-19mm positive battery terminals, don't force the product onto terminals that exceed the specified size. This product is divided into positive(+) and negative(-) two models, please choose according to demand
- Heavy Duty Battery Kill Switch: The housing of the battery switch is made of ABS plastic, durable made for safety use; Brass detachable battery terminal connector, brass conductive sheet for safer and more reliable conductivity; Rear cover insulates terminals against any short of circuits
- Convenience & Quick: This rv battery power cut switch comes with 2pcs copper conductive sheets, don't need additional battery cables or lugs, The battery terminal clamp set is orientable, this makes the installation position of the battery switch more flexible and space-saving
8.9Very Good
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8
MalicteleBattery Disconnect Switch, Malictele On/Off Side Post Battery Switch 275A 12-48V Power Cut Master Disconnect Isolator for Car Vehicle RV and Boat
Why we love it
Simple installation process.
Ideal for multiple vehicle types.
Ensures stable electrical connections.
8.7Very Good
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9
AWBLIN10% OffAWBLIN Upgrade Battery Disconnect Switch with Voltmeter, DC 5-60V Master Isolator Cut/Shut Off Switch with 3/8" Ring Terminals Heat Shrink for Marine Boat Car Truck Camper RV Trailer (On/Off Kit)
Main highlights- WIDE APPLICATION: Battery isolator switch is universal used for RV, Marine, Car, Boat, Camper, Travel Trailer, Truck, ATV, UTV battery and other engine application, makes it an effortless job of turning the battery on and off.
- PACKAGE INCLUDE: Equiped with 1* Battery Switch, 4*Removeable Side Plate, 1*Rubble Gasket, 1*Rear Cover, 4*Nut, 4*Screw,4*3/8" Copper Ring Terminals, 4*Heat Shrink, 1*2/8" Terminal. If you have any questions,please contact us via email. We are always here to support you.
- MORE STURDY, BETTER CONDUCTIVITY: Compared with the traditional ABS plastic shell material, the heavy duty cut off switch uses a better nylon 66 shell, high temperature resistance effect is better, more safe to use; The internal screw of the cutoff switch uses copper plated silver + silver contacts, which has better electrical conductivity, oxidation resistance and longer service life.
- LED DIGITAL VOLTMETER DISPLAY: The battery isolator switch surface is equipped with an LED display, which displays the current voltage status in real time, allowing you to better monitor the battery status at any time. When the battery switch is on, the upper button screen monitors the voltage in real time. When the master disconnect switch is off, the screen does not display.
- EASY TO OPERATE: On/Off 2 position, Suitable for various 6V/12V/24V/48V/60V systems. Current: 250A Continuous at DC 12V; 300A for 30 minutes. Clockwise to turn on , counter clockwise to turn off.
- COMPATIBILITY & SAFETY: This Battery Kill Switch Used for DC 5 - 60V systems to isolate and secure the electrical system; eliminate any power draw from the battery when vehicle is not in use, disconnects the battery safely; provide a reliable way to shutdown electrical power during maintenance and protect batteries from excessive drain.
8.5Good
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10
AWBLINAWBLIN Top Post Battery Disconnect Switch with Voltmeter, DC 5-60V Master Isolator On Off Kill Switch Power Cut/Shut Off Switch for Marine Boat RV Car Truck Camper Trailer
Why we love it
Real-time voltage monitoring.
Durable and flame-retardant materials.
Flexible installation options.
8.4Good
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