The Best 12V Battery Disconnect Switch of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 12V Battery Disconnect Switch of 2022. Check our ranking below.

2,356 Reviews Scanned

Rank No. #1

Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off)

Heavy Duty: ABS plastic housing, durable made for safety use, rear cover insulates terminals against any short of circuits, equiped with 4 sets of bolts.
Operation: On/Off 2 positions, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V.
Compatible: used for DC 12 - 48 V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.
Purpose: eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely.
Copper terminal stud size: 3/8" (10 mm) x 2, very easy to install, universal used for car, vehicle, Rv and boat, also electrical equipment's switch.

Rank No. #2

Top Post Knife Blade Master Switch, 12V 24V Battery Disconnect Switch for Auto Car RV-Marine Boat Truck Vehicle, Battery Cut Off Shut Off Switch (Negative,Vertical)

【COMPATIABLE】This knife-blade battery disconnect switch is suitable for TOP POST TERMINAL, battery NEGATIVE post only. Maximum Current: 750A, Rated Current: 250A. 6v 12v 24v car truck, bus, RV, Boat, trailer battery
【HIGH QUALITY & HEAVY DUTY 】This top post battery disconnect switch is made of brass material, corrosion resistance, conductive performance is good, durably made for safety use
【EASY TO INSTALL】This battery doctor knife switch for top post batteries can be adjusted into a vertical knife switch through the bottom of the screw, easy to install & simple to use. Switch the knife, then power will cut
【SAVE ELECTRYCITY】This knife blade master switch is used for the battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, stop unwanted battery drain and prevent theft or unauthorized use. Widely used for car, truck, boat or RV battery, also other electrical equipment's battery
100% Customer satisfaction is our constant pursuit, we only provide good quality products for every buyer friend.If you have any problem during the use, we will try our best to offer you with satisfactory and friendly service.

SaleRank No. #3

Ampper 12-24 V Master Battery Disconnect Switch, Battery Power Cut Isolator Killer for Car, Vehicle, RV and Boat (Aluminium Housing, On/Off)

Heavy Duty: all aluminium housing, durable made for safety use. Mounts in 3/4" hole, equiped with a face plate.
Operation: On/Off 2 positions, 200 A continuous at DC 12V, 400 A momentary at DC 12V.
Compatible: used for DC 12 - 24 V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.
Purpose: eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely.
Copper terminal stud size: 3/8" (10 mm) x 2, very easy to install, universal used for car, vehicle, Rv and boat, also electrical equipment's switch.

SaleRank No. #4

Remote Battery Disconnect Switch Upgraded Kill Switch for Car Truck DC12V 200A Wireless Remote Control Anti-Theft Prevent Battery Drain Battery Switch Isolator (Black Negative Wire at The Bottom)

!!! Note: On some models of vehicles, after the remote control of this product is used to disconnect the vehicle battery and turn it on again, you need to wait about 6s before pressing the vehicle start switch to start the vehicle.
!!! For facilitate installation, the black negative wire has been installed at the bottom of the battery switch. This product needs to be connected to the original negative wire on the car. If you mind this change, we recommend that you can choose the 250A Upgrade model. Please pay attention to the installation instructions; If your car stereo can not be completely power off, then once you use our product to completely disconnect the battery, the stereo needs to be re-matched when you start the vehicle again!!!
REPLACEMENT REMOTE BATTERY DISCONNECT SWITCH - Wireless kill switch enables you to kill your car battery power with remote control, which can help to prevent battery drain and protect the circuit. Besides, car battery disconnect switch can disconnect the power of your car, the theif cannot start and stole your car. Just press the remote control button to disconnect your car power system, easy to use and improve security!
WIDE APPLICATIONS - Remote battery disconnect switch works well for Car, Truck, RV, Travel Trailer, Camper, SUV, ATV, UTV, Marine, Van, Boat, Agricultural Vehicle Trike Auto Off Road Jeep and other engine applications with a 12 volt battery.
PREMIUM QUALITY - Kill Switch for Car is made of silver contact and pure copper wires. Durable and Reliable. Rated current 200A DC12V, this Battery Disconnect Isolator is upgraded from the old model as the improved fittings make mounting contacts stronger. All required wiring harnesses included, no need to buy additional accessories.

Rank No. #5

Top Post Battery Master Disconnect Switch

Ideal for car, truck, boat or RV battery
Convenience: knob type, easy to install & simple to use. Loose / twist of the knob, then power will cut.
Heavy Duty: solid brass made, rust and corrosion resistant, durable made for safety use.
Purpose: used for battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely.

Rank No. #6

Battery Disconnect Switch 12V Master,12V-48V Battery Shut Off Switch 275Amps High Current for Car Marine Boat RV Vehicles(On/Off)

Simple Operation:Switch on = Power; Switch off = No power.Rating: 275A DC Continuous (1hr), 455A DC Intermittent (5 min), 1250A DC Cranking (10 sec); Stud Size: 2x3/8" (10mm)
Durable Material: This battery disconnect switch is made of ABS plastic housing, tinned copper studs and nuts.Come with 4 stainless steel mounting screws and caps to help fix the switch tightly. 4 Removable side plates provided access for battery cables
Safety Protection:battery shut off switch can disconnects the battery safely, protect batteries from excessive drain when vehicle or boat is not in use
Great Compatibility:This battery quick disconnect is used for DC 12 - 48V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch, simple and economical way to separate batteries.
Wide Application:universal used not only for Car, Van, Caravan, RV, Truck, Marine Boat, but also electrical equipment's switch, such as flashing light, chassis light, fog light, dome light.

Rank No. #7

SUNMORN Battery Disconnect Switch, 2 Pack Battery Disconnect Switch 12V 48V, Marine Battery Switch, RV Travel Trailer Boat Camper Car, Heavy Duty Waterproof Battery Switch, Lugs Heatshrink

Battery Disconnect Switch: Marine Battery Switch Easy To Install 12V 24V 48V Battery Switch with On/Off position in clear color labels. Switch OFF = No power (red) to the cut-off circuit, Switch ON=Power (green) to closed circuit. Rating: 275 A continuous at DC 12V, 455 A Intermittent at DC 12V, 1250 A momentary at DC 12V..
WaterProof: Battery Disconnect Switch Marine Battery Switch is made of ABS plastic housing and copper tin plating inner stud. Fully enclosed design to protect wiring from dirt, corrosion and rain.
Comprehensive Safety: When Camper RV boat Truck Travel Trailer not in use, disconnecting the power will prevent the battery from draining. If the battery is not disconnected, it will continue to drain until the battery is depleted. When you come back to drive the car for a few months or even six months, the car will no longer be able to fire up. When the vehicle breaks down for maintenance, you can disconnect the current without having to remove the battery clamps.
Wide Application: Heavy Duty Marine Battery Switch Easy to disconnect power, Good isolator for Travel Trailer Camper RV Boat Car trolling motor, Please Disconnect batteries befor you start.
What You Get: Give you Nice 2 Pack Switches, 4 Pcs 2*3/8 Copper Lugs, 4 Pcs Heatshrink and for your cables, a Hex Wrench which can provide great convenience for your installation.

Rank No. #8

Nilight - 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

Heavy Duty: ABS plastic housing, durable made for safety use, rear cover insulates terminals against any short of circuits, equipped with 4 sets of bolts.
Operation: On/Off 2 positions, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V.
Compatible: used for DC 12 - 48V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.Its purpose is to eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely.
Widely used for car, marine boat, RV, camper, travel trailer, truck, ATV, UTV, battery banks and other devices.
Package include:1x On/Off battery switch,4 bolts incuded.

Rank No. #9

Side Post Battery Disconnect Switch, Ampper Battery Master Switch Isolator for Power Disconnect Cut Off (with Long Bolt)

Compatible: with a long bolt, used for side post terminal, battery negative post 3/8" hole only, DC 12 V system, rated current: 125 A, On/Off 2 position.
Convenience: knob type, easy to install & simple to use. Loose / twist of the knob, then power will cut.
Heavy Duty: solid made, rust and corrosion resistant, durable made for safety use.
Purpose: used for battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely.
Used for GM side post batteries or other batteries which have a 3/8" side post terminal, also used for electrical equipment.

Rank No. #10

Battery Disconnect Switch with Keys, 12V-24V Battery Kill Switch for Marine Boat RV ATV Car Auto Truck Vehicle, Waterproof Battery Master Switch, 200/1000 Amps, On/Off

【OPERATION】This battery kill switch is used for DC 6V 12V 24 V systems, On/Off 2 position, Continue current: 200A 12V. Crank current: 1000A 12V. Recommended to mount on NEGATIVE battery post
【DIMENSION】2 brass terminals: 5/16", 2 mounting holes: 3/16". The base is 2.35” in diameter, the post that holds the key stands up 1 1/4” from the base, and it’s diameter is 7/8”
【WATER-RESISTANT】This battery master switch comes with 2 keys and a weather cover. The red keys can snug fit to curb battery drain and theft. The black cover can prevent from dust and water, prolong their lifespan
【HEAVY DUTY】Copper terminals with stainless steel hex nuts for improved continuity. Rust and corrosion resistant. The keys are made of plastic and fit perfectly on the thumb for ease of use
【NO BATTERY DRAIN】This keyed battery disconnect switch provides a reliable way to shut down electrical power during maintenance and protect batteries from excessive drain. It also acts as a deterrent for car theft. This battery kill switch can be found in boats, RVs, and some cars

Last update on 2022-12-14 / Affiliate links / Images from Amazon Product Advertising API

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The Best 12V Battery Disconnect Switch of 2022 – Reviewed and Top Rated

How Do You Buy The Best 12V Battery Disconnect Switch?

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