-
Top 9
April 2025
Best Battery Cut Off Switch 12v Side Post
We made a list of the top 9 Battery Cut Off Switch 12v Side Post based on verified reviews, popularity and other factors which we summarized for you in this list.
Best Choice
1
Side Post Knife Blade Master Switch, Ampper 12V / 24V Battery Disconnect Switch Isolator for Marine Car Boat RV ATV Vehicles (with Long Bolt)
Ampper
9.2
VIEW DEAL
Buy on Amazon
✓
Compatible: with a long bolt, used for side post terminal, battery side post with 3/8" hole only, recommended to mount on NEGATIVE battery post, DC 12V-24V system, 200A continuous and 600A momentary at DC 12V, on/off 2 position.
✓
Convenience: knife blade type, easy to install & simple to use. Lift the knife, 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.
✓
Compatible with GM side post batteries or other batteries which have a 3/8" side post terminal, also used for electrical equipment.
Learn more
on Amazon
More Info
2
Side Post Knife Blade Master Switch, 12V 24V Battery Disconnect for Auto Car RV-Marine Boat Truck Vehicle, Cut Off Shut Off (Side Post Negative)
COZYEHOO
9.1
VIEW DEAL
Buy on Amazon
✓
【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
✓
【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
✓
【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
✓
BUY WITH CONFIDENCE: We are so confident you'll think we have the satisfied battery disconnect switch on the market. If you have any problem about our product, please feel free to give us a message and we will do anything for you to make the thing right. We go out of our way to make sure every customer is happy and satisfied with our product and service.
Learn more
on Amazon
More Info
3
Side Post Battery Disconnect Switch 12V / 24V 250/750 Amps Knife Blade Isolator Power Cutoff for Marine, Car, Boat, RV, ATV Battery Cut Off Switch (Horizontal and Vertical)
A ABIGAIL
9.0
VIEW DEAL
Buy on Amazon
✓
【High Quality】A ABIGAIL Side Post Knife Blade Master Switch is made of Heavy Duty solid brass which is rust and corrosion resistant, durable made for safety use. 【Note: Please Do Not choose the Material of brass plated with copper】
✓
【Operation】Battery Disconnect Switch is On/Off 2 position, with a long bolt, used for side post terminal, battery side post with 3/8" hole only, DC 12V-24V system, 250A continuous and 750A momentary at DC 12V.
✓
【Application & Easy to Use】Recommended to mount on NEGATIVE battery post, Widely used for Car, Vehicle, RV, ATV and Boat batteries, also used for electrical equipment. Vertical knife blade type, easy to install & simple to use.
✓
【Function】This Switch Battery Disconnect Switch Isolator is 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.
✓
【100% satisfaction guarantee】If you have any issues with our Side Post Battery Cut Off Shut Off Switch, simply contact customer service for troubleshooting help, parts, replacement, or refund. Our aim is to make you satisfy the parts and the service we provide for you.
Learn more
on Amazon
More Info
4
Joinfworld 12V Battery Disconnect Switch with Side Post Mounting Bracket, 200A High Current Battery Cut Off Switch Heavy Duty 48V Master Switch for Car Boat RV ATV UTV Vehicles
Joinfworld
8.9
VIEW DEAL
Buy on Amazon
✓
On/Off Switch: This Battery Disconnect Switch 12V features On/Off 2 Position; Rating: 200A; Crack Current: 1000A Intermittent; Stud Size: 2 x 3/8" (M10)
✓
Mounting Bracket: The battery shut off switch 12v will come with a heavy duty steel side post mounting bracket, which makes it faster and easier to install
✓
Superior Quality: The battery switch is made of high quality strong metal buttons and housing, which is durable made for safety use. Our battery disconnect switch is M10 tinned copper studs and nuts, which is safer and more reliable in electrical conductivity
✓
Wide Application: This battery shut off switch is suitable for DC 12 - 48V system to isolate and secure the electrical system, can stand alone or be locked together with other switches. It is widely used for Car, Marine, Boat, RV, Camper, Travel Trailer, Truck, ATV, UTV, Battery banks and other electrical equipment's switch
✓
Package Include: Package includes 1 x master battery disconnect switch, 3 x stainless steel mounting screws, 2 x 3/8" copper lugs, 2 x Rubber Terminal Insulators to help fix the switch tightly. For any problems, please do not hesitate to write to us
Learn more
on Amazon
More Info
5
Battery Disconnect Switch, Malictele On/Off Side Post Battery Switch 275A 12-48V Power Cut Master Disconnect Isolator for Car Vehicle RV and Boat
Malictele
8.8
VIEW DEAL
Buy on Amazon
✓
Easy Installation: The side post design and removable bolts make the installation process more straightforward, eliminating the need for additional battery cables or connectors; direct connection to the battery is sufficient.
✓
High Flexibility: The removable bolts allow for easier maintenance and replacement of the switch, enabling users to adapt to different environments.
✓
Enhanced Connection Stability: The design ensures a secure connection to the battery, reducing the risk of poor electrical contact and improving system stability.
✓
Versatile Application: This design enables the switch to be used in various scenarios, such as boats, RVs, and campers, providing reliable power management and isolation solutions.
✓
Durability: The combination of side posts and removable bolts enhances the overall strength and durability of the switch, ensuring stable operation even in harsh environments.
Learn more
on Amazon
More Info
6
Ampper Side Post Battery Disconnect Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off)
Ampper
8.6
VIEW DEAL
Buy on Amazon
✓
Convenience: direct fit and no modifications, hook up to SIDE post battery directly, do not need additional battery cables or lugs, isolate and secure the electrical system easily.
✓
Specification: used for DC 12 - 48 V systems, ON/OFF 2 positions, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V.
✓
Heavy Duty: ABS plastic housing, durable made for safety use, equiped with 2 pcs SAE 3/8"-16 bolts compatible with standard GM side post batteries.
✓
Compatible with GM side post batteries or other batteries which have a 3/8" post terminal, also used for electrical equipment. 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. Widely used for car, vehicle, Rv and boat, also electrical equipment's switch.
Learn more
on Amazon
More Info
7
Side Post Battery Disconnect Switch, On/Off 12-48V Side Post Battery Switch Heavy-Duty Battery Disconnect Switch for Cars, Vehicles, RVs, and Boats
Trosfina
8.4
VIEW DEAL
Buy on Amazon
✓
Quick, Direct Fit – No Extra Parts Needed— Direct installation without needing extra cables or lugs! This battery disconnect switch is directly connected to the side post battery, making it easy to cut off power and secure your electrical system whenever needed. Suitable for anyone, from beginners to DIY enthusiasts.
✓
Built to Last and Safe Design— Constructed from quality ABS plastic with copper connectors, equipped with two removable SAE 3/8"-16 bolts, this battery shut off switch is designed for long-lasting use. It resists corrosion and helps protect your battery from accidental short circuits, so you can rely on it for everyday use.
✓
Reliable ON/OFF Control— This Side post battery diconnect switch provides dependable control with 250 amps for regular use, and 1000 amps for starting power. It’s compatible with 12-48V batteries, making it versatile for cars, RVs, boats, and more.
✓
Fits Most Standard Side Post Batteries— Made to fit standard side post batteries, compatible with standard automotive side post batteries or other batteries with 3/8" stud terminals, this switch is suitable for a variety of vehicles, including cars, trucks, RVs, and boats. It’s a convenient solution for battery protection.
✓
Helps Save Battery Life— Disconnecting the battery when your vehicle isn’t in use can help prevent power drain, supporting longer battery life.Includes a one-year limited warranty for added peace of mind.We promise to offer specialized help at any time if you have any problems.
Learn more
on Amazon
More Info
8
Side Post Battery Disconnect Switch, Ampper Battery Master Switch Isolator for Power Disconnect Cut Off (with Long Bolt)
Ampper
8.2
VIEW DEAL
Buy on Amazon
✓
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.
✓
Compatible with GM side post batteries or other batteries which have a 3/8" side post terminal, also used for electrical equipment.
Learn more
on Amazon
More Info
9
Banseko Side Post Car Battery Disconnect Switch,Car Battery Terminal Link Quick Switch,Battery Master Switch Isolator for Power Disconnect Cut Off (with Long Bolt)
Banseko
7.6
VIEW DEAL
Buy on Amazon
✓
[Built-in details] There is a side Post battery switch and long bolt in the package.
✓
[Compatible] The screw hole diameter is 10mm, the rated current is 100A, and the instantaneous current is 300A.
✓
[Easy to use] The side column battery cut-off switch is installed on the negative terminal of the battery and fixed with screws. The switch is a knob type, and the knob is marked with on and off. Turn the knob to cut off and connect the power battery.
✓
[Durable material] The side-post battery cut-off switch is made of solid brass, which is rust-proof, corrosion-resistant, durable, superior in performance and good in conductivity.
✓
[No battery power consumption] This battery isolation switch can quickly cut off the battery power. When the vehicle is parked for a long time, the knob can be turned to the off position to eliminate battery power consumption and increase battery life.
Learn more
on Amazon
More Info
How we create our
“
Top 10
“ lists?
Our algorithms collect and evaluate information on millions of products and rank them based on customer reviews, popularity, price and more.
LEARN MORE
Related Reviews
Best
Side Post Battery Cut Off Switch 12v Car
View List
Best
Side Post Battery Cut Off Switch 12v Heavy Duty
View List
Popular Lists
Headphones
Tablets
Women's Jewelry
Dog Food
Bath Towels
Men's Boxer
Guitars
Robotic Vacuums
Pool Inflatable
TV Streamers
Best Reviews Guide Newsletter
Get exclusive articles, recommendations, shopping tips and sales alerts
SUBSCRIBE