10 Best side post batteries of 2026

Explore top picks

Best Choice

1

OPTIMA
OPTIMA Batteries High Performance 78 RedTop Sealed AGM Car, Truck and SUV Starting Battery, 800 CCA, Side Terminals, Maintenance Free, Versitile Mounting
Main highlights

Optimal Starting Power
Delivers 800 Cold Cranking Amps for reliable starts.

Durable and Vibration Resistant
Ideal for vehicles enduring rough terrains and vibrations.

Long-lasting Performance
Customers praise longevity and consistent performance over years.
Key specs
- features:Resistant to vibration
- amperage:50 Amps
- batteries:6 cells
- voltage:12-Volt
- capacity:100 minutes
9.7

Exceptional

Our Rating

9.3
lasts a long time

8.9
Durability

8.7
worth the money
How do we rank?

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Careful review Our team ensures quality, value, and fit based on real user feedback

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Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

OPTIMA
OPTIMA Batteries High Performance 34/78 RedTop Sealed AGM Car, Truck, and SUV Starting Battery, 800 CCA, Dual SAE and GM Terminals, Maintenance Free, Versitile Mounting
Main highlights

Optimal Starting Power
Provides reliable starting power even in harsh weather conditions.

Versatile Mounting
Can be mounted in virtually any position, ideal for various vehicles.

Long-Lasting Performance
Customers praise its durability and long lifespan, often exceeding expectations.
9.4

Excellent

Our Rating

9.5
Light weight

8.2
lasts a long time

8.0
Battery Duration
3

OPTIMA
OPTIMA Batteries High Performance 75/25 RedTop Sealed AGM Car, Truck, and SUV Starting Battery, 720 CCA, Dual SAE and GM Terminals, Maintenance Free, Versitile Mounting
Main highlights

Optimal Starting Power
Delivers 720 Cold Cranking Amps for reliable engine starts in all weather conditions.

Versatile Use Cases
Ideal for vehicles requiring strong starting power and durability, like trucks and SUVs.

Praised Dual Terminals
Customers appreciate the dual SAE & GM posts for versatile connectivity.
9.1

Excellent

Our Rating

9.7
Easy installation

8.0
worth the money

8.0
Long life
4

OPTIMA
OPTIMA Batteries High Performance 75/25 RedTop Sealed AGM Car, Truck, and SUV Starting Battery, 720 CCA, Dual SAE and GM Terminals, Maintenance Free, Versitile Mounting
Main highlights

Optimal Starting Power
Delivers 720 Cold Cranking Amps for reliable engine starts in all weather conditions.

Versatile Use Cases
Ideal for vehicles requiring strong starting power and durability, like trucks and SUVs.

Praised Dual Terminals
Customers appreciate the dual SAE & GM posts for versatile connectivity.
8.8

Very Good

Our Rating

9.7
Easy installation

8.0
worth the money

8.0
Long life
5

OPTIMA
OPTIMA Batteries High Performance 34/78 RedTop Sealed AGM Car, Truck, and SUV Starting Battery, 800 CCA, Dual SAE and GM Terminals, Maintenance Free, Versitile Mounting
Main highlights

Optimal Starting Power
Provides reliable starting power even in harsh weather conditions.

Versatile Mounting
Can be mounted in virtually any position, ideal for various vehicles.

Long-Lasting Performance
Customers praise its durability and long lifespan, often exceeding expectations.
8.5

Good

Our Rating

9.5
Light weight

8.2
lasts a long time

8.0
Battery Duration
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6

ACDelco
ACDelco Gold 48AGM (88864541) 36 Month Warranty AGM BCI Group 48 Battery
Main highlights

High Performance and Longevity
Features high density negative paste and Silver Calcium alloy for improved performance and extended battery life.

Versatile Use Cases
Perfect for trucks and vehicles with high electronic demands, ensuring reliable power.

Customer Praised Reliability
Customers appreciate the AGM technology for consistent power and easy installation.
8.4

Good

Our Rating

8.9
Easy installation

8.7
distance

8.4
worth the money
7

ACDelco
ACDelco Gold 48AGM (88864541) 36 Month Warranty AGM BCI Group 48 Battery
Main highlights

High Performance and Longevity
Features high density negative paste and Silver Calcium alloy for improved performance and extended battery life.

Versatile Use Cases
Perfect for trucks and vehicles with high electronic demands, ensuring reliable power.

Customer Praised Reliability
Customers appreciate the AGM technology for consistent power and easy installation.
8.3

Good

Our Rating

8.9
Easy installation

8.7
distance

8.4
worth the money
8

Ampper

Ampper 3/8"-16 Thread Female Lead Top Post to Side Post Terminal Adapters, Standard Top Post to Standard 3/8" Side Post Terminals (+/-) W/Cover (1 Pair)
8.0

Good

Our Rating
9

Ampper

Ampper 3/8"-16 Thread Female Lead Top Post to Side Post Terminal Adapters, Standard Top Post to Standard 3/8" Side Post Terminals (+/-) W/Cover (1 Pair)
7.7

Good

Our Rating
10

Suspenix
Suspenix 2pcs Side Battery Terminal Bolts, Side Post Battery Bolts, Universal Fit
Main highlights

Hassle-Free Installation
These bolts are designed for easy installation using simple hand tools, saving you time and effort.

Ideal for Battery Issues
Perfect for replacing worn or damaged side post battery terminals and facilitating battery charging outside the vehicle.

Enhanced Connection Ease
Customers praise the ease of connecting jumper cables due to the extended design of these bolts.
7.6

Good

Our Rating

10 Best side post batteries of 2026

1

OPTIMA Batteries High Performance 78 RedTop Sealed AGM Car, Truck and SUV Starting Battery, 800 CCA, Side Terminals, Maintenance Free, Versitile Mounting

9.3

8.9

8.7

How do we rank?

How do we rank?

Analyzing top stores

2

OPTIMA Batteries High Performance 34/78 RedTop Sealed AGM Car, Truck, and SUV Starting Battery, 800 CCA, Dual SAE and GM Terminals, Maintenance Free, Versitile Mounting

9.5

8.2

8.0

3

OPTIMA Batteries High Performance 75/25 RedTop Sealed AGM Car, Truck, and SUV Starting Battery, 720 CCA, Dual SAE and GM Terminals, Maintenance Free, Versitile Mounting

9.7

8.0

8.0

4

OPTIMA Batteries High Performance 75/25 RedTop Sealed AGM Car, Truck, and SUV Starting Battery, 720 CCA, Dual SAE and GM Terminals, Maintenance Free, Versitile Mounting

9.7

8.0

8.0

5

OPTIMA Batteries High Performance 34/78 RedTop Sealed AGM Car, Truck, and SUV Starting Battery, 800 CCA, Dual SAE and GM Terminals, Maintenance Free, Versitile Mounting

9.5

8.2

8.0

6

ACDelco Gold 48AGM (88864541) 36 Month Warranty AGM BCI Group 48 Battery

8.9

8.7

8.4

7

ACDelco Gold 48AGM (88864541) 36 Month Warranty AGM BCI Group 48 Battery

8.9

8.7

8.4

8

Ampper 3/8"-16 Thread Female Lead Top Post to Side Post Terminal Adapters, Standard Top Post to Standard 3/8" Side Post Terminals (+/-) W/Cover (1 Pair)

9

Ampper 3/8"-16 Thread Female Lead Top Post to Side Post Terminal Adapters, Standard Top Post to Standard 3/8" Side Post Terminals (+/-) W/Cover (1 Pair)

10

Suspenix 2pcs Side Battery Terminal Bolts, Side Post Battery Bolts, Universal Fit

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