Are you trying to find automotive replacement battery switches among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling automotive replacement battery switches on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 16 hours of research and did 17 automotive replacement battery switches tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best automotive replacement battery switches you can buy today
- 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.
- Convenience: direct fit and no modifications, hook up to TOP post battery negative 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. Extended the top post battery negative to original size: standard top post negative (17 mm cone/tapering negative (-)), installation space should be checked.
- Compatible: used for standard top post battery (19 mm cone/tapering positive & 17 mm cone/tapering negative). 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.
- Ultimate Protection: The remote battery disconnect switch easily solves the problem of battery drain but also protects the circuit, No matter how long your car is parked, The battery always has a full charge. The battery is via the remote switch, which also reduces the risk of theft occurs.
- Premium Quality: Remote battery kill switch Instantaneous current of up to 450A rated current of up to 250A. Our remote battery kill switch is made with high-quality materials and pure copper wire, modules have larger rivers for better reception performance and can extend car battery life by 3 - 4 times.
- Effortless Installation: Our upgraded remote battery kill switch for cars is designed to directly disconnect the negative switch, fix the battery clip to the negative pole of the battery, and connect the red wire to the positive pole of the battery, our upgraded version reduces a black power cord, making installation simpler than other products.
- Versatile Use: Our 12V remote kill switch for cars is suitable for cars, trucks, RVs, travel trailers, campers, motorcycles, and any other engine application with 12-volt batteries. Please note that disconnecting the positive terminal may damage the battery and vehicle circuit.
- Reliable Quality: If it cannot be used normally after installation, please check whether the circuit is installed normally or send a message to contact us, quality after-sales service is provided to go to meet any of your needs. If you have any questions you can email us and we will get back to you within 24 hours.
- 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.
- 【Compatible】- The battery disconnect switch is used for top post terminal(0.59''- 0.67'' cone battery negative post only). Compatible the condition of 12V voltage, 125A rated current, heavy duty.
- 【High Quality】- Our solid brass 12v battery disconnect switch with stainless steel fasteners provide excellent oxidation resistance and corrosion resistance, no need to worry about its service life.
- 【Easy to Use】Knob type design to disconnect or connect battery, just follow the direction instructions on the switch, unscrewing or tightening the battery switch into an “on” or “off” position to control current.
- 【Protect Battery】This battery shut off switch is designed to cut-off power flowing to the battery, avoid unwanted battery consumption when not used for long periods of time, extend the life of battery.
- 【Widely Applications】- Suitable for Car, Marine,tractor, camper, boat, RV, truck batteries which have a standard 0.59''-0.67''(15-17 mm) cone top post terminal, also used for electrical equipment.
- HIGH CURRENT BATTERY SWITCH: Rated to 200 Amps-300 Amps continuous duty, 1000 Amps intermittent duty, used for 12-48 VDC systems to isolate and secure the electrical system
- METAL BODY: Heavy-duty metal housing is highly weather-resistant and protects the internal components of the switch for use in the harshest conditions, very rugged shut-off switches
- SAFETY PROTECTION: Our battery disconnect switch provides power cut off to electrical system, to help prevent battery drain，safety and efficient. When car or boat or RV is not in use, disconnects the battery safely
- EASY OPERATION: This battery isolator switch with face plate is easy to install, has on/off indicator, it has a definitive click when turning on and off
- WIDE APPLICATION: The Huazu master battery disconnect switch is widely used for ATV, Trailers, Off-road, RVs, Trucks, Heavy Vehicles, and electrical equipment's switch
- 【High Quality】A ABIGAIL Top 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】On/Off 2 position, Battery negative pole 15.5mm-17mm, DC 12V-24V system, 250A continuous and 750A momentary at DC 12V.
- 【Application & Easy to Use】Battery NEGATIVE post only, 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】 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 Battery Disconnect 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.
- 【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
- 【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 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
- 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.
- Heavy Duty: ABS plastic housing, durable made for safety use, rear cover insulates terminals against any short of circuits. Design for 2 batteries vehicles, can switch battery 1 / battery 2 separately or both on and off.
- Purpose: eliminate any power from the battery when vehicle or boat is not in use, disconnects the battery safely.Avoid battery drain off.
- Operation: 1-2-Both-Off,4 positions, 200A continuous at 12VDC, 300A intermittent at 12VDC, 1000A momentary at 12VDC.
- Compatible: used for 12 - 48VDC systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.Widely used for cars, marine boats, RVs, campers, travel trailers, trucks, ATVs, UTVs, battery banks and other devices.
- Package include:1x battery switch,4 bolts&screws incuded. 2 Year Warranty by Nilight.
- 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.
- 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.
- 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.
- 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.
- 100% SATISFACTORY SERVICE - This 500A High Current Battery Disconnect Switch come with a 1 year warranty. Whether before, during or after sale, we always respond positively to your questions. What we pursue is not only to provide quality products, but also to provide satisfactory service.
- Easy to Use: Turning it on powers up your system, turning it off cuts the power.It can handle 275 Amps of continuous DC power for up to 1 hour, 455 Amps intermittently for 5 minutes, and 1250 Amps for cranking power lasting 10 seconds. It has 2x3/8" (10mm) studs.
- Sturdy Construction: This battery disconnect switch is built with a tough ABS plastic housing, tinned copper studs, and nuts. It includes 4 stainless steel mounting screws and caps for secure installation. You can easily access battery cables with 4 removable side plates.
- Safety First: The battery shut-off switch disconnects your battery safely, preventing excessive drain when your vehicle or boat isn't in use.
- Versatile Compatibility: This quick disconnect switch is designed for 12-48V DC systems, allowing you to isolate and secure your electrical system. It can work independently or be locked together with other switches, offering a simple and cost-effective way to separate batteries.
- Wide Range of Uses: This universal switch is suitable not just for cars, RVs, trucks, and marine boats but also for various electrical equipment, like flashing lights, chassis lights, fog lights, and dome lights.
- Operation: used for DC 12-24 V systems, On/Off 2 position, rated current: 100A (12V ), Max. withstanding current: 150A (12V ).
- Heavy Duty: ABS plastic and solid brass nuts / washers, rust and corrosion resistant, durable made for safety use.
- Convenience: easy to install & simple to use, 2 removable keys, waterproof cover for key hole.
- 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.
- Size: 2 brass terminals: 3/8", 2 mounting holes: 3/16". Used for Car, Vehicle, RV and Boat, also electrical equipment's switch.
- 【EASY OPERATION】Rating: 275A DC Continuous (1hr), 455A DC Intermittent (5 min), 1250A DC Cranking (10 sec); Stud Size: 2x3/8" (10mm); Switch on = Power; Switch off = No power. Recommend to install on the negative side of the battery (lower current in negative, will be more safety)
- 【DURABLE MATERIAL】This battery master switch is made of durable plastic housing, tinned copper studs and nuts. Come with 4 stainless steel mounting screws and caps to help fix the switch tightly. Removable rear cover insulates the rear terminals against any short circuits. 4 Removable side plates provided access for battery cables
- 【COMPATIBLE】This battery disconnect switch 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
- 【NO MORE BATTERY DRAIN】This battery isolator switch provides a reliable way to shut down electrical power during maintenance and protect batteries from excessive drain when vehicle or boat is not in use
- 【WIDE APPLICATION】This battery kill switch is widely used for Car, Marine, Boat, RV, Camper, Travel Trailer, Truck, ATV, UTV, Battery banks and other electrical equipment's switch, such as flashing light, chassis light, fog light, dome light
- Compatible: used for top post terminal, 15-17 mm cone / tapering battery NEGATIVE post only, DC 12V-24V system, 200A continuous and 600A momentary at DC 12V, on/off 2 position.
- Convenience: vertical 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.
- Used for Car, Vehicle, RV and Boat batteries which have a standard 15-17 mm cone top post terminal, also used for electrical equipment.
- Notice - 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. Our product is according to the color of the wire to distinguish the positive and negative, black for the negative wire, red for the positive wire. The battery clip is neutral, it can be connect the black wire and clipped to the negative battery terminal, or connected the red wire and clipped to the positive battery terminal
- Due to received a lot of customer suggestion, we have lengthened the black negative wire on the basis of the 200A switch first generation. Both products have their advantages. The 1st generation is easy to install; The 2nd generation can adjust the installation position as required
- Notice - 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. Our product is according to the color of the wire to distinguish the positive and negative, black for the negative wire, red for the positive wire. The battery clip is neutral, it can be connect the black wire and clipped to the negative battery terminal, or connected the red wire and clipped to the positive battery terminal.
- 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
- 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.
- The KTNNKG automotive battery disconnect switch easily solves the problem of battery drain but also protects the circuit, no matter how long your car is parked, the battery always has power.
- KTNNKG Remote battery kill switch Instantaneous current of up to 450A rated current of up to 240A. This battery cut off switch 12v heavy duty is made with high-quality materials and pure copper wire, with better signal transmission.
- This LED voltage control battery cut off switch 12v is designed to directly disconnect the negative switch pole, connect the red wire to the positive pole of the battery,and fix the large brass clip to the negative pole.
- This Smart Voltage Kill Switch with LED digital voltmeter display detects the voltage at all times. In smart mode, when the battery voltage is lower than 12.2V, the switch will automatically turn off after 3 minutes, when the battery voltage is higher than 13.2V(for example, driving), remote will not control the switch.
- KTNNKG automotive remote battery disconnect is only for battery on and off, it can't start your engine,it is suitable for cars, trucks, RVs, travel trailers, campers, motorcycles...
- The remote battery disconnect switch for cars is default off design, when there is a power failure, it is "OFF" when the power returns.
- Do not turn off the battery when your engine is working.
- The standby current of this car kill switch anti theft is only 0.003A, which is far lower than the standby current of the original car, which is more than 60 mA. It will not drain your battery
- 【Ideal Power Switch】 - With tinned copper inner studs, the boat battery switch has better contact performance and good conductivity, greatly reducing power consumption. Studs Size: 2 x 3/8" (10mm). Furthermore, the housing of battery kill switch is made of flame-retardant plastic for safer use in messy or moist environment.
- 【2 Position & Ignition Protected】 - This battery shut off switch is single circuit ON/OFF design, simply turning the knob to ON or OFF position to realize the control of the power circuit. Of course this car battery switch has ignition protection as its crank rating that withstands 900A for 30 seconds, 500A for 5 minutes, and 300A continuously.
- 【Easy to Install】 - The battery disconnect switch is euipped with mounting screws for easy installation which could save your time and money on extra accessories. The 12V switch shell is easily disassembled, and the space inside the shell is large to complete the wiring tasks. Moreover, the switch base has partition design to reduce interference between wires.
- 【Safe and Practical】 - This battery cut off switch is suitable for 12-48V DC systems, often used for the control and protection of electrical systems. When the battery is not in use for a long time, this car battery switch can safely disconnected the power supply so that can prevent leakage and reduce energy consumption.
- 【Wide Compatibility】 - The marine battery switch is usually used with the battery box, fuse block which can isolate and protect the electrical system. This battery switch is widely applied to marine, boat, yacht, car, RV, camper, travel trailer, truck, ATV, UTV, etc. When your RV, boat or car is not in use, the power switch can safely disconnect the battery power, reducing the additional loss of battery power and extending the battery life!
- 【On/Off Switch】 - This Battery Disconnect Switch 12V features On/Off 2 Position; Rating: 200A; Crack Current: 1000A Intermittent; Stud Size: 2x3/8" (M10).
- 【With 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.
- 🔋【Material】: RV Battery Disconnect Switch 12V made of ABS plastic housing, and the 4 sets of bolts are tinned copper studs(2 x 3/8" (10mm) & nuts for ignition protected to distinguish the different gears easily which you switch to even at night.
- 🔋【Easy Operation】: The Marine Battery Switch with On/Off position in clear color labels. Switch ON=Power (green) to the closed circuit, Switch OFF = No power (red) to the cut-off circuit.
- 🔋【Compatible 】: Used for 12-48V, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V, battery selector 12V switch can stand alone or be locked together with other switches for minimizing battery loss and preventing electric leakage effectively.
- 🔋【Safe & Protective】: The Battery Isolator Switch comes with CE Certification, and 4 removable side plates, the rear cover insulates terminals against any short circuit.
- 🔋【Wide Application】: Kohree Battery Cut Off Switch 12V serves as a power cut-off when a vehicle or boat is not in use on RV, ATV, car, marine boat, camper, camper, travel trailer, truck, UTV, etc. Also a perfect choice for a Father's Day gift.
How to choose a good automotive replacement battery switches
Does the idea of finding a fantastic automotive replacement battery switches make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in automotive replacement battery switches. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top automotive replacement battery switches products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top automotive replacement battery switches on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top automotive replacement battery switches brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top automotive replacement battery switches based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the automotive replacement battery switches were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good automotive replacement battery switches, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your automotive replacement battery switches.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive replacement battery switches for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our automotive replacement battery switches. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what automotive replacement battery switches should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on automotive replacement battery switches.
