Updated: 16 Feb 2025

battery disconnect blade switches

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Updated: 16 Feb 2025

#1

Best Choice
GOGONFLY Master Battery Disconnect Switch, Heavy Duty Knife Blade 12V 24V Battery Cut Off Switch, Top Post Battery Power Shut Off Isolator for Car Marine Boat RV ATV Motorcycle Vehicle

9.9

GOGONFLY

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Main highlights

HIGH VERSATILITY: Able to handle 12-24V of 250A continuous and 750A momentary at DC 12V, our master battery cutoff switch works with top post batteries for a wide range of vehicles including most cars, boats, trucks, RVs, and even jet skis

HEAVY-DUTY DISCONNECT SWITCH: This reliable battery kill switch employs structural steel copper plated to provide perfect isolation and preservation for your vehicle’s battery

EASY TO INSTALL & USE: assemble the battery shut off switch to the negative cable. Turns power on and off by just lifting the lever up or down, on/off 2 position
#2

Value for Money
(2 pcs) Top Post Negative Battery Disconnect Switch 12V / 24V - 250/750 Amps Knife Blade Isolator Power Cutoff Switch for Marine Car Boat RV ATV - Horizontal and Vertical Options Available

9.8

goduog

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Main highlights

Premium Design: Made of brass for excellent conductivity and rust resistance, this switch ensures reliable performance and durability.

Efficient Battery Management: The Top Post Negative Battery Disconnect Switch offers a quick and reliable way to disconnect your battery, preventing power drain and extending battery life for various vehicles.

Easy Installation:This battery doctor knife switch can be adjusted through thebottom of the screw, into a vertical knife switch ora horizontal knife switch., the Top Post Battery Disconnect Switch is easy to install and use. The Knife Blade Master Switch enables convenient operation for users.
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#3
Side Post Knife Blade Master Switch, Ampper 12V / 24V Battery Disconnect Switch Isolator for Marine Car Boat RV ATV Vehicles (with Long Bolt)

9.7

Ampper

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Why we love it

Convenient: Easy install, simple use.

Durable: Solid brass, rust resistant.

Secure: Isolates power, eliminates draw.

Main highlights

Key Features
Heavy-duty, solid brass knife blade switch for 12V-24V systems, 200A continuous/600A momentary, easy install, rust-resistant, for NEGATIVE post only.

Ideal Use Cases
Perfect for vehicles and boats to isolate batteries, preventing power drain when not in use. Compatible with GM and 3/8 side post terminal batteries.

Customer Praise
Highly praised for its durability, ease of installation, and effective power cut, ensuring vehicle safety and battery longevity.
#4
Battery Disconnect Switch, Top Post Knife Blade Master Switch, Battery Cut Off Switch 12v 24v 250/750 Amps, Knife Blade Isolator Power Cutoff Switch for Car, Truck, Boat (Negative, Vertical)

9.6

Generic

-23%

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Main highlights

Material: Our battery disconnect switch are made of impact-resistant material brass, corrosion-resistant and durable enough to withstand harsh outdoor conditions, ensuring consistent performance on land or sea

Function: The top post knife blade master switch is suitable for top negative battery terminals, 15.5mm-17mm negative battery terminals, DC 12V-24V systems, and is capable of 250 amps continuous and 750 amps instantaneous at 12V DC

Compatible: For use in most vehicles such as cars, boats, trucks, RVs, ATVs and other electrical equipment. It can help you eliminate any power consumption when you are not using these tools, ensure efficient power management, extend battery life, and provide you with great convenience

-23%
#5
Side Post Knife Blade Master Switch, 12V 24V Battery Disconnect Switch for Auto Car RV-Marine Boat Truck Vehicle, Battery Cut Off Shut Off Switch (Side Post Negative)

9.5

COZYEHOO

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Main highlights

【TOP LEVEL & HEAVY DUTY 】This side 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 side post easy to install & simple to use. Switch the knife, then power will cut

【COMPATIABLE】This knife-blade battery disconnect switch is suitable for SIDE POST TERMINAL, battery Negative post only. Maximum Current: 750A, Rated Current: 250A. 6v 12v 24v car truck, bus, RV, Boat, trailer battery
#6
Top Post Negative Battery Disconnect Switch 12V / 24V 250/750 Amps Knife Blade Isolator Power Cutoff Switch for Marine Car Boat RV ATV (Horizontal and Vertical)

9.2

A ABIGAIL

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Why we love it

Heavy Duty Solid Brass

Easy to Install/Use

Rust/Corrosion Resistant

Main highlights

Key Features
Heavy-duty solid brass build, rust-resistant, for safety. 2-position operation, supports 12V-24V, 250A continuous/750A momentary. Easy installation and use.

Ideal Use Cases
Perfect for Car, RV, ATV, Boat batteries, and electrical equipment. Ensures power isolation and system security when vehicles or boats are not in use.

Customer Reviews Highlight
Most praised for its durability and reliability. Users appreciate the easy installation process and the effective power isolation it provides.
#7
Top Post Knife Blade Master Switch, 12V 24V Doctor Battery Disconnect Switch for Auto Car RV Marine Boat Truck Vehicle, Battery Cutoff Shut Off Switch(Negative, Vertical & Horizontal)

9.1

COZYEHOO

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Main highlights

【TOP LEVEL & 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 or a horizontal knife switch through the bottom of the screw, easy to install & simple to use. Switch the knife, then power will cut

【COMPATIABLE】This knife-blade battery disconnect switch is suitable for TOP POST TERMINAL, battery POSITIVE post only. Maximum Current: 750A, Rated Current: 250A. 6v 12v 24v car truck, bus, RV, Boat, trailer battery
#8
12V 24V Battery Disconnect Switch- Knife Blade Battery Kill Switch for Car Marine RV Pickups Boat ATV, Top Post Batteries Cut Off Switch, Batteries Isolator Switches (Negative,Vertical)

8.8

Ponzkoe

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Main highlights

VERSATILE BATTERY DISCONNECT SWITCH: This 12V 24V knife blade battery cut off switch is perfect for cars, marine vessels, RVs, pickups, boats, ATVs, and more, ensuring your battery stays preserved when not in use.

TOP POST BATTERY KILL SWITCH: Equipped with a top post design, this battery power shut off isolator switch provides a convenient way to disconnect the NEGATIVE terminal of your battery, preventing drainage and extending its lifespan.

EFFICIENT POWER MANAGEMENT: The vertical orientation of this battery disconnect switch allows for easy access and operation, making it a practical choice for quickly cutting off power to your vehicle or equipment when necessary.
#9
Nilight Side Post Knife Blade Master Switch 12V 24V 250A Battery Negative Disconnect Shut Off Kill Switch Power Cut Off Isolator for Car Truck Marine RV Vehicle and Electrical Equipment

8.5

Nilight

-10%

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Main highlights

Ultimate Protection: This battery cut-off switch is used to isolate the battery and protect the electrical system, eliminating any power consumption from the battery when the vehicle is not in use, and blocking unnecessary battery consumption.

Increased Safety: Improve the safety of seasonal equipment used to store vehicles, tourist vehicles, and ships. Battery disconnect switch can quick disconnect power and prevent theft or unauthorized use.

Heavy Duty Structure: Made of Heavy-duty solid brass that is rust and corrosion-resistant, this vertical blade type knife switch can be installed in seconds and operation is a breeze, durable, and safely disconnects your battery.

-10%
#10
CZC AUTO Side Post Battery Disconnect Switch Solid Brass Knife Blade Master Switch 12V-24V Knife Power Cutoff Isolator for Car Marine Boat RV ATV, Horizontal

8.4

CZC AUTO

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Main highlights

WIDELY APPLICATION: apply to the battery has side post terminal with 3/8’’ hole. Also used for electrical equipment. DC 12V-24V system, 250A continuous and 750A momentary at DC 12V. CZC AUTO blade switch is suitable for car, boat, truck, vehicle, RV, ATV and etc.

SOLID BATTERY TERMINAL: made of durable brass and electroplated with copper, which is rust and corrosion resistant, for safety use. With bright metallic color for easy daily check. With a long bolt for convenience

EASY TO INSTALL & USE: assemble the battery shut off switch to the negative cable. Turns power on and off by just lifting the lever up or down, on/off 2 position

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battery disconnect blade switches

GOGONFLY Master Battery Disconnect Switch, Heavy Duty Knife Blade 12V 24V Battery Cut Off Switch, Top Post Battery Power Shut Off Isolator for Car Marine Boat RV ATV Motorcycle Vehicle

9.9

Main highlights

(2 pcs) Top Post Negative Battery Disconnect Switch 12V / 24V - 250/750 Amps Knife Blade Isolator Power Cutoff Switch for Marine Car Boat RV ATV - Horizontal and Vertical Options Available

9.8

Main highlights

Side Post Knife Blade Master Switch, Ampper 12V / 24V Battery Disconnect Switch Isolator for Marine Car Boat RV ATV Vehicles (with Long Bolt)

9.7

Why we love it

Main highlights

Battery Disconnect Switch, Top Post Knife Blade Master Switch, Battery Cut Off Switch 12v 24v 250/750 Amps, Knife Blade Isolator Power Cutoff Switch for Car, Truck, Boat (Negative, Vertical)

9.6

Main highlights

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

9.5

Main highlights

Top Post Negative Battery Disconnect Switch 12V / 24V 250/750 Amps Knife Blade Isolator Power Cutoff Switch for Marine Car Boat RV ATV (Horizontal and Vertical)

9.2

Why we love it

Main highlights

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

9.1

Main highlights

12V 24V Battery Disconnect Switch- Knife Blade Battery Kill Switch for Car Marine RV Pickups Boat ATV, Top Post Batteries Cut Off Switch, Batteries Isolator Switches (Negative,Vertical)

8.8

Main highlights

Nilight Side Post Knife Blade Master Switch 12V 24V 250A Battery Negative Disconnect Shut Off Kill Switch Power Cut Off Isolator for Car Truck Marine RV Vehicle and Electrical Equipment

8.5

Main highlights

CZC AUTO Side Post Battery Disconnect Switch Solid Brass Knife Blade Master Switch 12V-24V Knife Power Cutoff Isolator for Car Marine Boat RV ATV, Horizontal

8.4

Main highlights

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