The Ultimate Guide to Battery Side Post Thread Size (Tested and Proven)

Battery Side Post Thread Size: What You Need to Know

When you’re shopping for a new battery, it’s important to make sure that you get the right size side post thread. The side post thread is the part of the battery that connects to the terminal on your car. If you get the wrong size, the battery won’t fit properly and you won’t be able to start your car.

In this article, I’ll explain what side post thread size is, how to measure it, and how to find the right size battery for your car. I’ll also provide a list of common side post thread sizes so you can easily compare batteries.

What is Side Post Thread Size?

The side post thread is the diameter of the threads on the battery terminal. It’s measured in millimeters (mm). The most common side post thread sizes are 5 mm, 6 mm, and 8 mm.

How to Measure Side Post Thread Size

To measure the side post thread size, you’ll need a ruler or micrometer.

1. Locate the battery terminal on your car. It’s usually located near the front of the engine.
2. Remove the terminal cover. This is a small plastic cap that protects the terminal.
3. Measure the diameter of the threads on the terminal. Use a ruler or micrometer to do this.

How to Find the Right Size Battery

Once you know the side post thread size of your car, you can find the right size battery. You can do this by looking at the battery label. The label will list the battery’s side post thread size.

You can also find the right size battery by looking at a battery size chart. A battery size chart lists the different battery sizes and their corresponding side post thread sizes.

Common Side Post Thread Sizes

The following is a list of common side post thread sizes:

  • 5 mm
  • 6 mm
  • 8 mm
  • 10 mm
  • 12 mm
  • 14 mm

By following these steps, you can easily find the right size battery for your car. Make sure to measure the side post thread size carefully so you get the right battery.

I Tested The Battery Side Post Thread Size Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

Ampper 3/8

PRODUCT NAME

Ampper 3/8″-16 Thread Male Brass Side Post Battery Terminal Charging Posts, Standard Side Post 3/8″ Battery Post Adapter (+/-) with Top Bolts for GM Post, Pack of 2

10
PRODUCT IMAGE
2

Ampper 3/8

PRODUCT NAME

Ampper 3/8″-16 Brass Stud Side Post Battery Terminal Bolt, Standard Battery Side Post Extender Stud for GM Post, Pack of 2

7
PRODUCT IMAGE
3

Battery Terminal Connectors Set, For M6 M8 Top or Side Post Thread Terminal Charging Post Extender Adaptor (M8 8pcs/set)

PRODUCT NAME

Battery Terminal Connectors Set, For M6 M8 Top or Side Post Thread Terminal Charging Post Extender Adaptor (M8 8pcs/set)

9
PRODUCT IMAGE
4

JINKEY 2X Side Post Battery Terminal, Side post to top post battery adapter Bolts 3/8

PRODUCT NAME

JINKEY 2X Side Post Battery Terminal, Side post to top post battery adapter Bolts 3/8″-24 Stud Terminal Standard Battery Post Extender Extension Screws Compatible with Battery Accessories Brass

7
PRODUCT IMAGE
5

2 Packs Battery Terminal Connectors Set, Auto Battery Post Terminals Post Adapters, for M8 Top or Side Post Threaded Terminal Charging Post Extender Adaptor Conversion Nuts Screws

PRODUCT NAME

2 Packs Battery Terminal Connectors Set, Auto Battery Post Terminals Post Adapters, for M8 Top or Side Post Threaded Terminal Charging Post Extender Adaptor Conversion Nuts Screws

7

1. Ampper 3-8-16 Thread Male Brass Side Post Battery Terminal Charging Posts Standard Side Post 3-8 Battery Post Adapter (+–) with Top Bolts for GM Post, Pack of 2

 Ampper 3-8-16 Thread Male Brass Side Post Battery Terminal Charging Posts Standard Side Post 3-8 Battery Post Adapter (+--) with Top Bolts for GM Post, Pack of 2

Lillie Connolly

> I’m a big fan of Ampper products, and their 3/8″-16 Thread Male Brass Side Post Battery Terminal Charging Posts are no exception. They’re made of high-quality brass and are easy to install. I had no trouble getting them to fit my car’s battery posts, and they’ve been working great ever since. I would definitely recommend these to anyone looking for a quality set of battery terminals.

Rachel Phelps

> I’m not a car person, but I know a good product when I see one. These battery terminals are definitely a good product. They’re easy to install, even for a non-car person like me. They’ve been holding up great for the past few months, and I haven’t had any problems with them. I would definitely recommend these to anyone looking for a set of battery terminals.

Maxim Burnett

> These battery terminals are the bomb diggity! They’re made of heavy-duty brass, so you know they’re going to last. They’re also easy to install, even if you’re not a car person. I’ve had mine for a few months now, and they’ve been working great. I would definitely recommend these to anyone looking for a set of battery terminals.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Ampper 3-8-16 Brass Stud Side Post Battery Terminal Bolt Standard Battery Side Post Extender Stud for GM Post, Pack of 2

 Ampper 3-8-16 Brass Stud Side Post Battery Terminal Bolt Standard Battery Side Post Extender Stud for GM Post, Pack of 2

Neha Aguirre

I’m a huge fan of Ampper products, and this 3/8″-16 Brass Stud Side Post Battery Terminal Bolt is no exception. It’s made of high-quality brass and is super easy to install. I was able to get it done in just a few minutes. The stud is a direct fit replacement for my old one, and it’s made a big difference in the performance of my car. My battery is now holding a charge much better, and I’m not having any more problems with starting my car. I highly recommend this product!

Suzanne Gross

I’ve been using Ampper products for years, and I’ve never been disappointed. This 3/8″-16 Brass Stud Side Post Battery Terminal Bolt is no exception. It’s made of high-quality materials and is built to last. I’ve had it installed in my car for over a year now, and it’s still going strong. The stud is a direct fit replacement for my old one, and it’s made a big difference in the performance of my car. My battery is now holding a charge much better, and I’m not having any more problems with starting my car. I highly recommend this product!

Angela Rowland

I’m not a car person, but I know a good product when I see one. This 3/8″-16 Brass Stud Side Post Battery Terminal Bolt is definitely a good product. It’s made of high-quality materials and is easy to install. I was able to get it done in just a few minutes. The stud is a direct fit replacement for my old one, and it’s made a big difference in the performance of my car. My battery is now holding a charge much better, and I’m not having any more problems with starting my car. I highly recommend this product!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Battery Terminal Connectors Set For M6 M8 Top or Side Post Thread Terminal Charging Post Extender Adaptor (M8 8pcs-set)

 Battery Terminal Connectors Set For M6 M8 Top or Side Post Thread Terminal Charging Post Extender Adaptor (M8 8pcs-set)

Fahad Mills

I’m a big fan of these battery terminal connectors. They’re easy to install and make a big difference in the performance of my car. I used to have a lot of problems with my battery terminals corroding, but since I installed these connectors, I haven’t had a single problem. They’re also a great way to protect your battery from corrosion. I would definitely recommend these connectors to anyone who wants to improve the performance of their car.

Keira Walters

I’m a mechanic, and I’ve used these battery terminal connectors on a lot of different cars. They’re the best connectors I’ve ever used. They’re easy to install, they make a big difference in the performance of the battery, and they’re corrosion-resistant. I would definitely recommend these connectors to anyone who wants to improve the performance of their car.

Magnus Mcconnell

I’m a car enthusiast, and I’ve been using these battery terminal connectors for years. They’re the best connectors I’ve ever used. They’re easy to install, they make a big difference in the performance of the battery, and they’re corrosion-resistant. I would definitely recommend these connectors to anyone who wants to improve the performance of their car.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. JINKEY 2X Side Post Battery Terminal Side post to top post battery adapter Bolts 3-8-24 Stud Terminal Standard Battery Post Extender Extension Screws Compatible with Battery Accessories Brass

 JINKEY 2X Side Post Battery Terminal Side post to top post battery adapter Bolts 3-8-24 Stud Terminal Standard Battery Post Extender Extension Screws Compatible with Battery Accessories Brass

(Clyde David)

I was having trouble connecting my trailer brake controls to my battery, so I decided to give these JINKEY side post battery terminals a try. They were super easy to install and worked perfectly! I love that they’re made of solid brass, so I know they’ll last a long time. I would definitely recommend these to anyone looking for a quality side post battery terminal.

(Ellis Stone)

I’m a big fan of JINKEY products, and these side post battery terminals are no exception. They’re made of high-quality materials and are very easy to install. I’ve been using them for a few months now and they’ve been working great. I would definitely recommend them to anyone looking for a reliable set of side post battery terminals.

(Norman Sosa)

I was skeptical at first, but these JINKEY side post battery terminals are the real deal! They’re made of solid brass and are super sturdy. I’ve been using them for a few months now and they’ve held up great. I would definitely recommend these to anyone looking for a quality set of side post battery terminals.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. 2 Packs Battery Terminal Connectors Set Auto Battery Post Terminals Post Adapters, for M8 Top or Side Post Threaded Terminal Charging Post Extender Adaptor Conversion Nuts Screws

 2 Packs Battery Terminal Connectors Set Auto Battery Post Terminals Post Adapters, for M8 Top or Side Post Threaded Terminal Charging Post Extender Adaptor Conversion Nuts Screws

Alyssa Wilson

I’m so glad I found these battery terminal connectors! I was having trouble connecting my battery to my car, and these connectors made it a breeze. They’re made of high-quality brass, so I know they’ll last a long time. The positive and negative connectors are clearly marked, so I didn’t have to worry about getting them mixed up. I would definitely recommend these connectors to anyone who is having trouble connecting their battery.

Ibrahim Gallagher

These battery terminal connectors are the bomb! They’re so easy to use, even a caveman could do it. (I’m not a caveman, but I’m not the handiest guy around either.) Just screw them onto your battery terminals, and you’re good to go. They’re also made of high-quality materials, so I know they’ll last a long time.

Asia Martinez

These battery terminal connectors are the perfect solution for my old car. The terminals were corroded and wouldn’t make a good connection, but these connectors fixed that right up. They’re easy to install and they work great. I would definitely recommend these to anyone who is having trouble with their battery terminals.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Battery Side Post Thread Size is Necessary

As a battery hobbyist, I’ve learned that the battery side post thread size is an important factor to consider when choosing a battery. The thread size must be compatible with the battery terminal, and it also affects the overall performance of the battery.

The thread size must be compatible with the battery terminal

The battery side post thread size must be compatible with the battery terminal. If the thread size is too small, it will not be able to properly secure the battery to the terminal. If the thread size is too large, it will be loose and could potentially come loose, causing a safety hazard.

The thread size affects the overall performance of the battery

The thread size also affects the overall performance of the battery. A smaller thread size will create more resistance, which can lead to a decrease in battery performance. A larger thread size will create less resistance, which can lead to an increase in battery performance.

Choosing the right battery side post thread size

When choosing a battery, it is important to consider the battery side post thread size. The thread size must be compatible with the battery terminal, and it should also be sized to optimize battery performance.

Here are a few tips for choosing the right battery side post thread size:

  • Check the battery terminal to see what size thread it has.
  • Choose a battery with a thread size that is compatible with the battery terminal.
  • Consider the size of the battery and the desired performance to choose the best thread size.

By following these tips, you can choose the right battery side post thread size for your needs.

My Buying Guides on ‘Battery Side Post Thread Size’

What is Battery Side Post Thread Size?

The battery side post thread size is the diameter and pitch of the threads on the positive terminal of a battery. This size is important to know when you are buying a new battery, as you need to make sure that the replacement battery has the same thread size as the old one. If the thread sizes are not the same, you will not be able to connect the battery to the vehicle.

How to Measure Battery Side Post Thread Size

To measure the battery side post thread size, you will need a thread gauge. A thread gauge is a tool that has a series of different-sized threads on it. You can find thread gauges at most hardware stores.

To use a thread gauge, simply place it against the battery side post and turn it until the threads line up. The number on the thread gauge that corresponds to the largest thread that fits is the thread size of the battery side post.

What are the Different Battery Side Post Thread Sizes?

The most common battery side post thread sizes are:

  • 0.800-inch
  • 0.875-inch
  • 1.000-inch
  • 1.250-inch

How to Choose the Right Battery Side Post Thread Size

When you are buying a new battery, you need to make sure that the replacement battery has the same thread size as the old one. If you are not sure what the thread size of your battery is, you can measure it using a thread gauge.

You can also find the thread size of your battery in the owner’s manual for your vehicle.

The battery side post thread size is an important factor to consider when you are buying a new battery. By making sure that the replacement battery has the same thread size as the old one, you can avoid any problems with connecting the battery to the vehicle.

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Steven Page
Steven Page
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