REVIEWS

Daqian World Commodity Store Car Battery Terminal Cleaner of 2026

By Daqian World Commodity Store Editor • 2026-09-20
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Daqian World Commodity Store Car Battery Terminal Cleaner

of September 2026
1
Best Choice
Lavaxon Wire Brush Set 3Pcs - Nylon/Brass/Stainless Steel Bristles with Curved
Lavaxon
9.9
Exceptional
4.5 stars
View on Amazon
2
Best Value
Mission Automotive 4 Oz Brush-On Oil-Based Battery Corrosion Preventative -
Mission Automotive
9.8
Exceptional
4.5 stars
View on Amazon
3
DKARDU Battery Terminal Clean Brush Cleaner 2PCS, Anti-Corrosion Fiber Washer
DKARDU
9.7
Exceptional
4.5 stars
View on Amazon
4
Performance Tool W152C Battery Terminal Cleaner - Removes Stubborn Corrosion
Performance Tool
9.6
Exceptional
4.5 stars
View on Amazon
5
Permatex 80369 Battery Cleaner, 5.75 oz. net Aerosol Can
Permatex
9.5
Excellent
4 stars
View on Amazon
6
Permatex 22058 Dielectric Tune-Up Grease, 3oz. - High Performance Dielectric
Permatex
9.4
Excellent
4 stars
View on Amazon
7
Wakauto Car Battery Brush Battery Terminal Cleaning Brush, 4 in 1 Steel Wire
Wakauto
9.3
Excellent
4 stars
View on Amazon
8
CRC 05046 Battery Terminal Protector - 7.5 Wt Oz.
CRC
9.2
Excellent
4 stars
View on Amazon
9
OTC 4612 3-Way Battery Post Cleaner
OTC
9.1
Excellent
4 stars
View on Amazon
10
CRC 05023 Battery Cleaner with Acid Indicator - 11 Wt Oz.
CRC
9
Excellent
4 stars
View on Amazon
11
Lisle 11400 Side Terminal Battery Cleaner
Lisle
8.9
Very Good
3.5 stars
View on Amazon
12
KINGBOLEN 12V car Battery Tester, Alternator Tester Automotive,Battery Checker,
KINGBOLEN
8.8
Very Good
3.5 stars
View on Amazon
13
Battery Terminal Cleaners (2 pcs), Plus 12 pcs Battery Terminal Anti-Corrosion
LotFancy
8.7
Very Good
3.5 stars
View on Amazon
14
Caig DeoxIT Battery Cleaner & Protectant with Brush Lid, 118 g (CL-BCP-04)
CAIG LABORATORIES
8.6
Very Good
3.5 stars
View on Amazon
15
BW-100 Non-Flammable Electronic Contact Cleaner Aerosol Spray- Safely Cleans
BW-100
8.5
Good
3 stars
View on Amazon
16
CRC 05103 QD Electronic Cleaner -11 Wt Oz
CRC
8.4
Good
3 stars
View on Amazon
17
Performance Tool W147C Metal Battery Terminal Cleaning Brush
Performance Tool
8.3
Good
3 stars
View on Amazon
18
Permatex 80369 Battery Cleaner (12/5Oz)
Permatex
8.2
Good
3 stars
View on Amazon
19
Vgate Lead Acid Battery Terminal Clamps, 8AWG up to 4/0(XL) AWG Gauge, 12-Way
Vgate
8.1
Good
3 stars
View on Amazon
20
WD-40 Specialist Contact Cleaner Spray, 11 oz.
WD-40 Specialist
8
Good
3 stars
View on Amazon
21
MOTOPOWER MP0515A 12V Car Battery Tester Automotive 100-2000 CCA Battery Load
MOTOPOWER
7.9
Good
3 stars
View on Amazon
22
Battery Disconnect Switch, Heavy Duty Battery Shut Off Switch, Current Master
Yilia
7.8
Good
3 stars
View on Amazon
23
MOTOPOWER MP0514A 12V Digital Car Battery Tester Voltmeter and Charging System
MOTOPOWER
7.7
Good
3 stars
View on Amazon
24
12PCS Battery Terminal Anti Corrosion Washers Protector Fiber and 2PCS Cleaning
BELOMI
7.6
Good
3 stars
View on Amazon
25
Car Battery Cleaner Kit, 12 PCS Battery Terminal Anti-Corrosion Protector Fiber
YAKEFLY
7.5
Good
3 stars
View on Amazon
26
NOCO E404 12.25 Oz Battery Terminal Cleaner Spray and Corrosion Cleaner with
NOCO
7.4
Good
3 stars
View on Amazon
27
Schumacher BAF-B1 Battery Terminal Cleaning Brush
Schumacher
7.3
Good
3 stars
View on Amazon
28
TKDMR 12pcs Battery Terminal Anti Corrosion Washers Protector Fiber and 2pcs
TKDMR
7.2
Good
3 stars
View on Amazon
Click here to learn more about these products.

Lavaxon Wire Brush Set 3Pcs - Nylon/Brass/Stainless Steel Bristles with Curved Handle Grip for Rust, Dirt & Paint Scrubbing with Deep Cleaning 7 Inches (Red)

Three different types The pack includes a brass, nylon and metal brush. Suitable for different surface types, they will address all your cleaning concerns. Multiple uses All our brushes serve different purposes You can use the stainless steel wire brush for rust removal, while the nylon brush is perfect for delicate household appliances. The brass brush is ideal to clean metal surfaces without scratching them. Ergonomic design The handles of each wire brushes for cleaning are slightly angular for an optimum grip. Made with high-quality plastic, they will last you a long time. Portable 7-inch long, they are easy to pop in your toolbox or handbag So, whether you are going on a cleaning spree at your office or a friends place, our wire brush set can go with you. Customer satisfaction We hope you like our product Each wire scratch brush is versatile, effective and easy-to-use. However, if you have any concerns, please contact us and we will be happy to assist you.

Mission Automotive 4 Oz Brush-On Oil-Based Battery Corrosion Preventative - Made in USA - Prevents Rust & Corrosion, Increases Life of Battery, Does Not Dry or Evaporate

Stop Battery Corrosion - Increase the life of your battery and make all surfaces impenetrable to corrosion-causing acid fumes. This protective grease additionally prevents wear, rust, and water corrosion.. Does Not Dry Or Evaporate - The oil-based formula guarantees this grease will not run, dry, or evaporate and is resistant to moisture, shock, vibration, and reversion providing a long-lasting, lifetime guarantee.. Maintain Cranking Ability - Corrosion prevention has been proven to increase or maintain cranking amps in vehicle batteries so you can feel confident during those cold morning temperatures.. Great For Many Types Of Vehicles - Suitable for most types of vehicles, as well as, battery terminals, battery cables, battery boxes and more. This grease is both environmentally friendly and non-toxic creating a suitable solution for most battery needs.. Made In The USA - This non-toxic, non-running, high-quality grease is proudly made in a facility you can trust here in the USA..

DKARDU Battery Terminal Clean Brush Cleaner 2PCS, Anti-Corrosion Fiber Washer 12PCS, Metal Battery Terminal Cleaning Brush for Car Boat

Cleaning Brush The acid electrolyte inside the battery will overflow due to heat during use, corroding the battery electrodes. The hard metal brush can not only clean the dust, but also clean the oxidized electrode terminal perfectly.. Note Because the brush is made of metal, it will leave scratches on the battery terminals during the cleaning process, but on the contrary, you will find that your battery will make your car start faster. When cleaning the battery terminals, please cut off your car battery terminals.. Advantage The design of this metal cleaning brush is very suitable for cleaning car batteries. The steel wire of the inner case is used to clean the battery terminals. The exposed steel wire is used to clean the connection wire terminals on the battery clip.. Battery Terminal Washers The battery terminal washers prevents corrosion around the battery terminals and prolongs battery life.. Package Content 2 pcs battery terminal cleaning brush 20 x battery terminal anti corrosion washers10 each for red and green..

Performance Tool W152C Battery Terminal Cleaner - Removes Stubborn Corrosion from Battery Posts and Terminals

4 Way Battery Post. Steel blades quickly clean top-post battery terminals and cable clamps. Designed to give leverage when cleaning Post and Terminals. Ream is tapered to clean both positive and negative battery cable clamps. Cleaners are marked positive and negative.

Permatex 80369 Battery Cleaner, 5.75 oz. net Aerosol Can

Spray it on and wash corrosion off works in just three minutes. Penetrates and removes corrosion, dirt and grime instantly. Neutralizes harmful acid and dissolves power-robbing corrosion. Cleans all types of storage batteries and attachments in emergency power supply systems. Suggested Applications Automotive, marine, farm machinery and motorcycle batteries, cables, and terminal connections.

Permatex 22058 Dielectric Tune-Up Grease, 3oz. - High Performance Dielectric Grease Used To Protect Terminals, Spark Plugs, Wiring And Other Electrical Connections Against Salt, Dirt, And Corrosion

Seal Out Moisture and Corrosion From the Elements - Permatex Dielectric Grease Protects Terminals, Wiring, and Other Electric Connections From Salt, Dirt and Corrosion. Keep Your Electrical Connections Safe - Seal, Lubricate and Insulate to Prevent Various Leaks or Damage Around Any Electrical Connection Ensuring Top Performance and Vehicle Quality. High Performance Dielectric Tune-Up Grease Helps Extend the Life of Bulb Sockets, Ignition Coil Connectors, and Electric Connections Within Your Battery. Required For Modern, High Energy Ignition - Permatex Dielectric Tune-Up Grease Ensures Automotive Performance, Extended Lifetime and Corrosion Prevention Within Electrical Systems. Suggested Applications - Permatex Dielectric Tune-Up Grease is Appropriate For Spark Plug Boots, Trailer Hitches, Battery Terminals, and All Other Electrical Connections.

Wakauto Car Battery Brush Battery Terminal Cleaning Brush, 4 in 1 Steel Wire Brush Heads for Battery Terminals Machine Parts Cleaner Tool

Car battery brush is made of plastic mainly, these brush heads are made of steel wire, and there are 4 cleaning brush heads.. The car battery brush cleaner heads at both ends can be used to go deep into the inside of the battery terminal to clean the rust stains on the inside, and the round brush heads in the middle can be placed on the protruding part of the component to clean around the terminal. 4 terminal cleaner brush solve the problems of battery terminals all surfaces.. The battery cleaner brush has a beautiful appearance design, which is convenient for you to use and store. The super friction of the battery brush saves time and effort.. Cleans and removes rust, suitable for cleaning steel parts, mechanical parts, unfinished metal parts, car batteries. Paint stains and special corrosion on these parts can be cleaned.. The size is 19X4.5X2.5cm7.5X1.7X0.98in and the weight is 65g..

CRC 05046 Battery Terminal Protector - 7.5 Wt Oz.

Specially designed to protect battery terminals from corrosion, a leading cause of hard starting and battery failure.. Provides a lead-free soft protective coating. Protects battery terminals, cables bulkhead connectors. Prolongs battery life. Assures easier starting.

OTC 4612 3-Way Battery Post Cleaner

Steel blades quickly clean top-post battery terminals and cable clamps. Cleaners are marked positive and negative. Ream is tapered to clean both positive and negative battery cable clamps.

CRC 05023 Battery Cleaner with Acid Indicator - 11 Wt Oz.

Fleet and Vehicle Maintenance. Manufacturer Crc. Made in United States.

Lisle 11400 Side Terminal Battery Cleaner

Coil Spring cutters polish the battery contact. Stainless steel brushes clean the cable terminals. Fit type Universal Fit. Part number 11400.

KINGBOLEN 12V car Battery Tester, Alternator Tester Automotive,Battery Checker, Analyzer to Check alternator & Battery Charging System,LED Indication

ACCURATE CAR BATTERY TESTER BM310 battery tester offers you an easy way to analyze the battery status, view battery charging status and detect faults without stepping out and paying too much. Save your time and money.. 12V BATTERY TESTERThis battery tester automotive is for all 12V charging systems, including regular flooded, AGM flat plate, AGM spiral, and GEL batteries for vehicles, forklifts, hybrid cars, Pickups, Boats, RVs, Motorcycles, Travel Trailers.. 6 LED INDICATORS The battery checker is perfect for home and commercial usage. Six LED lights show the status of the battery and alternator. accelerate your engine to 2000 rpm when the green light is lit, the charging circuit is ok. Battery check indicate the percentage charging in the battery.. DURABLE DESIGN The reverse protection function prevents burnout caused by misoperation between the battery post and -cable terminal. Pure copper wire and clip make excellent conductivity and high sensitivity. The no-slip design makes you are able to use it flexibly even wearing gloves.. WORRY-FREE PURCHASE 12-month quality warranty from the manufacturer. 30 Days no reason refund or replacement. If you have any questions about the battery tester, please send a message to us or ask a QA on this page. Our professional team will help you solve the problems within 24 hours..

Battery Terminal Cleaners (2 pcs), Plus 12 pcs Battery Terminal Anti-Corrosion Fiber Washers (6 Red & 6 Green) for Car Marine Battery

Package includes 2 battery corrosion cleaners 12 battery anti-corrosion fiber washers 6 red 6 green. The battery terminal brush can help clean dirt, debris and corrosion that can build up on cables and batteries. Simply take the metal cap off to expose the internal brush hidden inside. Press down over the battery terminal and twist and turn for cleaning. It only takes a minute to clean. During winter months clean terminals will help your car start easier with less battery drain. The fiber battery terminal washers can be used for both top post batteries or cables and side post batteries or cables. For use with 6 and 12-volt batteries. Each cleaner is color coded for positive and negative terminals, red for , green for -. The inner ring can be removed to fit larger terminals. These battery post cleaners fit both positive and negative - terminals and are compatible with top and side terminal batteries. Tips After cleaning, wipe on a generous coat of dielectric grease on terminals and contacts to reduce future corrosion, repel moisture, and improve weather resistance.

Caig DeoxIT Battery Cleaner & Protectant with Brush Lid, 118 g (CL-BCP-04)

BW-100 Non-Flammable Electronic Contact Cleaner Aerosol Spray- Safely Cleans Joycons, Computers, PCB and More - Removes dust, Dirt and contaminants on Contacts - Quick Dry|8oz/225g |

Improves conductivity by blasting away dust and cleaning sensitive electrical equipment. Non-flammable, quick evaporation, and zero residue. Prevent contact failure by regularly cleaning. Safe to use on rubber, metal, and most plastics. Compatibility test on small area is recommended before use. Extension straw attached for hard to reach areas enabling pinpoint precision. Avoid spraying on keyboards, screens, and adhesives.

CRC 05103 QD Electronic Cleaner -11 Wt Oz

QD ELECTRONICS CLEANER A precise cleaner made from petroleum distillate and alcohol that is fast evaporating and leaves no residue.. FORMULA With quick-drying, plastic safe, residue-free features, this cleaner is ideal for even the most sensitive electronics and will help to prevent contact failure.. APPLICATIONS QD Electronic Cleaner is ideal for use on computer components, circuit breakers, circuits, coin mechanisms, contacts, flux removal, sockets, lighting, plastics, nylon, plugs, relay switches, PVC, and more. PRODUCT SPECIFICATIONS QD Electronic Cleaner is available in a 11 wt. oz. aerosol can.. CRC INDUSTRIES A market leader that offers impeccably designed chemical solutions to maintain, protect and repair different marine, heavy-duty motor vehicles, industrial-grade engines, household tools, and electrical equipment..

Performance Tool W147C Metal Battery Terminal Cleaning Brush

TOUGH The Performance Tool W147C Metal Battery Terminal Cleaning Brush is built from long-lasting metal for durability.. STAINLESS STEEL BRUSHES Featuring stainless steel brushes to remove dirt, grime, and corrosion from both battery posts and terminals.. VERSATILE This brush is an essential tool for maintaining optimal battery performance, and can clean both posts and terminals.. GRIP The Performance Tool 20134 Metal Battery Terminal Cleaning Brush features knurled grips for a secure hold.. VERSATILE Can also be used to clean other metal surfaces, such as engine parts, tools, and more..

Permatex 80369 Battery Cleaner (12/5Oz)

Part number 80369. Flash point -104.0. Package Dimensions 5.588 L x 19.558 H x 5.842 W centimeters. Compatible with vehicle type all-terrain-vehiclesutility-vehiclesstreet-sport-motorcyclesoff-road-motorcyclesstreet-cruiser-motorcyclesstreet-touring-motorcyclesstreet-motor-scooterssnowmobilesmarine-personal-craft.

Vgate Lead Acid Battery Terminal Clamps, 8AWG up to 4/0(XL) AWG Gauge, 12-Way Connectors, Positive and Negative (+/-)(Pair) for SAE/DIN/EN Tapered Top Post

12-Way connectors 6 x hole-holders and 6 x threaded studs.. Vgate battery terminals are 6061 aluminum machined parts, in addition to high precision, high toughness and good corrosion resistance.. Battery Voltage 48V, 36V, 24V, 12V, 6V. Battery for Car, Caravan, Motorhome, RV, Bus, Truck, Pickup, Houseboat, Motorcycle, Forklift, Crane, Solar Power Bank and more others.. Tapered Post Type SAE, DIN, EN But JIS Pencil Post Not Included.. NOTE For lithium batteries, you will need to purchase the Stud to Post Adapter additionally.. To ensure a stable installation, DO NOT use the anti-corrosion washers..

WD-40 Specialist Contact Cleaner Spray, 11 oz.

WD-40 Specialist Contact Cleaner is ideal for removing oil, dirt, flux residue, and condensation from sensitive electrical equipment. This quick drying, residue-free formula is safe on metal and plastic. Cleans sensitive electric equipment. Quick drying. Safe to use on most plastics 1, rubbers and metals. 1 Test on plastic before using, and avoid adhesives, device screens, and keyboards. WD-40 Specialist offers easy solutions for specific problems. WD-40 Specialist line is designed with industrial strength quality for your tough jobs. Blast away oil, dirt, flux residue and condensation from sensitive electronics and electrical equipment with pinpoint precision. It's ideal for use on printed circuit boards, controls, switches, precision instruments and electric panels. WD-40 Brand believes in creating high-quality products that will not fail in extreme conditions. Professionals rely on WD-40 Specialist to get the job done right.

MOTOPOWER MP0515A 12V Car Battery Tester Automotive 100-2000 CCA Battery Load Tester Auto Cranking and Charging System Tester

Battery Disconnect Switch, Heavy Duty Battery Shut Off Switch, Current Master Battery Power Cut Isolator Kill Switch, Quick Disconnect Battery Cut Off Universal Switch for Car, RV and Boat (1)

Complete Battery ControlWith power cut-off ability, this device caters to a variety of vehicle models, helping optimize battery life and performance. Suitable for trucks and cars with a wide voltage design supporting 12V and 24V voltages. Enhanced Battery LongevityOur Battery Disconnect extends the battery life and reduces energy consumption of your vehicle. Its anti-leakage protection mechanism prevents accidental battery discharge and assures safety during parking and vehicle use. Experience optimized energy efficiency with this must-have product. Dependable ProtectionBuilt with pure copper for excellent conductivity, Constructed with a rugged build, this sturdy battery disconnect assures continuous performance amidst challenging conditions, ensuring lasting protection for your vehicle's electrical management. Ready to UseOur battery disconnect switches are perfect for esasy vehicle maintenance. With a simple and user-friendly design, users can quickly and easily cut off power to the battery, allowing for easy removal, replacement, or repair. Prevent HazardsBy preventing leakage and assureing excellent conductivity with its pure copper material, our Battery Disconnect provides sturdy and dependable protection, securing your vehicle's electrical system.

MOTOPOWER MP0514A 12V Digital Car Battery Tester Voltmeter and Charging System Analyzer with LCD Display and LED Indication - Black Rubber Paint

Easy Operation- Connect and Go. It provides a quick reading to determine if a vehicle battery needs a jump or replacing and also the alternator output status. Various Colored LEDs indicate the battery or the alternator status.. Safety Ensured- Reverse-hookup and Over-voltage protection, making it safe and simple to use. The Digital Voltmeter Testing Range 4-20V DC. If the voltage is under 4volts, the screen will display - LO Above 20volts, the screen will display - HI. High Accuracy- With a Four-character lighted digital display, the voltage testing accuracy will be close to 0.01volt. NOTE Verify the counterfeit with only 3-character display. The accuracy is only 110 of ours.. Rubber Paint Body to achieve the original quality- Black Rubber Paint on the body surface to achieve the best feeling. As the inventor and the manufacturer of the tester, we are keen on the details to ensure the brand quality and the good custome buying experience.NOTE The counterfeit doesn't include the rubber paint on the body at all. . TWO-YEAR Warranty and Lifetime Service- Direct source from MOTOPOWER factory. Just REGISTER your product on the manufacturer's website to activate your warranty. 30 days money back and 247 friendly customer service..

12PCS Battery Terminal Anti Corrosion Washers Protector Fiber and 2PCS Cleaning Brush, Automotive Accessories Universal for Car, Marine, Boat, RV

WHAT YOU GET Included in the package are 2 battery terminal cleaning brushes and 10 battery terminal corrosion-resistant fiber washers 5 green and 5 red. We have thoughtfully designed different colors to help you distinguish between positive and negative, red for and green for -.. PROTECT YOUR BATTERY The stainless steel battery terminal cleaning brush effectively cleans corrosion, debris or other dirt from cables and batteries. Commonly used in positive and negative battery posts, extenders, adapters, connectors, shims, and cable clamps. It can effectively extend the life of your equipment.. COMPACT SIZE Outer ring diameter is approximately 1.73 inches 44mm. Inner ring diameter is approximately 0.79 inches 20mm. Inner ring diameter after removal approximately 1.18 inches 30mm. The metal brush is also designed with a cover for easy storage and locking. It is very compact and can fit into any of your toolboxes.. EASY TO USE You simply remove the cover of the metal brush, press and hold the battery terminal and turn and clean with the brush at the same time. The battery terminal cleaners will help your car start more easily and reduce battery consumption.. WORRY FREE We are committed to creating a perfect product experience for our customers. If this product does not meet your expectations, please feel free to contact us, we will try the best to deal with till you satisfied..

Car Battery Cleaner Kit, 12 PCS Battery Terminal Anti-Corrosion Protector Fiber Washers(6 Red & 6 Green) Plus 2 Pcs Battery Terminal Cleaners Cleaning Brushs for Car Marine Battery

Package Includes The package includes 2 battery anti-corrosion cleaning brushes and 12 battery anti-corrosion fiber washers 6red and 6 green.. Battery Terminal Brush Function The battery terminal brush helps to clean the dirt, debris and corrosives accumulated on the cable and battery.. Battery Terminal Protector Function Anti corrosion battery washer can prevent corrosion around the battery terminals and prolong battery life. It is applicable to 6V and 12V batteries. The positive and negative terminals of each cleaner are color coded, with red indicatingand green indicating -. The inner ring can be removed in order to install a larger terminal.. Easy to Store The battery terminal brush cleaning brush is a solid metal structure with a high-quality nickel plated shell, and the cover brush is easy to store and lock.. Easy to Use Just remove the metal cap of the battery terminal brush to expose the internal brush hidden inside. Press down on the battery terminals and rotate to clean. Cleaning takes only one minute. In the winter months, clean terminals will help your car start more easily with less battery consumption..

NOCO E404 12.25 Oz Battery Terminal Cleaner Spray and Corrosion Cleaner with Acid Detector

Removes Battery Corrosion - Instantly neutralizes, dissolves, and removes battery corrosion - simply spray-on and rinse-off.. Acid Detection - Quickly detects the presence of battery corrosion by providing a pink indicator upon contact.. Improved Performance - Removes battery corrosion for improved electrical connections and current flow for increased cranking ability.. Fast Acting - A fast-acting foaming action breaks down tough corrosion build-up within seconds.. Universal - A battery terminal cleaner for use on all types of vehicles and batteries, including battery terminals, battery cables, and more..

Schumacher BAF-B1 Battery Terminal Cleaning Brush

FOR TOP AND SIDE TERMINALS Easily clean and maintain your batterys top or side terminals and posts. CHROME BRUSH Stiff metal bristle brush offers reliable cleaning power for removing tough buildup and dirt. DYNAMIC USE Use on compatible vehicle and marine batteries on both positive and negative terminals. SIMPLE OPERATION Remove cap and extend the brush head or press the brush hood over the terminal post for easy cleaning. COMPACT SIZE Small size for easy storage in a tool box or glove compartment.

TKDMR 12pcs Battery Terminal Anti Corrosion Washers Protector Fiber and 2pcs Cleaning Brush For car marine boat

Quantity comes with 10 pieces battery anti-corrosion washers5 red 5 green and 2pcs Battery Terminal Cleaning Brush.. Features of Battery Terminal washers protector the battery washers can prevent corrosion around the battery terminals, prolong battery life, for use with 6 and 12-volt battery,the color coded for positive and negative terminals, red for , green for -. Size of Battery Terminal washers protector inner ring can be removed to fit larger terminals, outer ring diameter is approx. 44 mm 1.73 inch Inner ring diameter is approx. 20 mm 0.79 inch Diameter of inner ring after dismantling approx. 30 mm 1.18 inch. Battery Terminal Cleaning Brush-Stainless steel metal brush cleans corrosion build up on cables and batteries,Works on positive and negative battery posts, extenders, adapters, connectors, shims, and cable clamps.. Battery Terminal Cleaning Brush-Strong metal construction with premium nickel plated housing,Cap covers brush for easy storage and locks closed - Pocket Sized Tool.

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