10 Best side post batteries of 2025

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Best Choice

1

ODYSSEY
Odyssey Battery ODP-AGM78 Performance Series AGM Battery
Main highlights

Key Features
High PHCA (1500) and CCA (792) for superior starting power, 124-minute reserve capacity, and vehicle-specific fit with Group 78 SAE lead posts.

Ideal Use Cases
Exceptional for cold climates, high-demand electronics vehicles, and for enthusiasts requiring reliable performance in extreme conditions.

Customer Praise
Most reviews highlight its reliability and long-lasting power, even in severe weather, as the product`s most appreciated aspect.
Key specs
- cold cranking:792 CCA
- terminal:Group 78 SAE lead posts
- voltage:12v
- capacity:124 minutes
- dimensions:13.25 x 9.5 x 10.25 inches
9.8

Exceptional

Our Rating
How do we rank?

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Based on millions of stores and reviews

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Value for Money

2

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
- batteries:6 cells
- dimensions:10 x 7.25 x 7.19 inches
- amperage:50 Amps
- voltage:12-Volt
9.6

Exceptional

Our Rating

9.3
lasts a long time

8.9
Durability

8.7
worth the money
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.
9.3

Excellent

Our Rating

9.7
Easy installation

8.0
worth the money

8.0
Long life
4

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.
9.0

Excellent

Our Rating

9.5
Light weight

8.2
lasts a long time

8.0
Battery Duration
5

ACDelco
ACDelco Gold 94RAGM (88864542) 36 Month Warranty AGM BCI Group 94R Battery
Main highlights

Enhanced Performance and Longevity
High density negative paste and Silver Calcium alloy improve performance and battery life.

Ideal for Modern Vehicles
Perfect for BMW, Porsche, Audi, and Mercedes with start-stop systems.

Outstanding Cold Cranking Amps
Customers praise its high CCA, exceeding 1200, for reliable performance.
Key specs
- features:High density negative paste
- batteries:1
- dimensions:6.9D x 12.4W x 7.5H
- amperage:80 Amps
- voltage:N/A
8.8

Very Good

Our Rating

9.7
Battery Duration

8.7
Easy installation

8.7
worth the money
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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.
8.7

Very Good

Our Rating

8.9
Easy installation

8.7
distance

8.4
worth the money
7

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)
8.4

Good

Our Rating
8

1AUTODEPOT
1AUTODEPOT BCI Group 24F Car Battery, 12V 70Ah Automotive Battery Premium Maintenance Free AGM Batteries, 710CCA, 120RC, 36 Months Warranty

23% Off
Main highlights

Safety and Durability
AGM batteries are safer with reduced acid leaks and longer lifespan.

Performance in Extreme Climates
Ideal for high-performance vehicles in hot or cold regions.

Customer Praise for Longevity
Customers appreciate the long-lasting performance and reliability.
Key specs
- features:Lower self-discharge, heat resistant
- batteries:AGM batteries
- dimensions:14.37 x 12.99 x 10.63 inches
- amperage:N/A
- voltage:Higher voltage output
8.3

Good

Our Rating
9

Boao

Boao 8-Piece Side Post Battery Terminal Adapter - 3/8 16 Bolts Standard Battery Post Stud Extender Screws
8.2

Good

Our Rating
10

BELOMI

BELOMI 2 Pack Car Side Post Battery Terminal Brass Stud, Automobile Charging Solid Brass Extender Long Stud, 3/8"-16 GM Universal Car Thread Side Standard Battery Side Post Bolt
7.9

Good

Our Rating

10 Best side post batteries of 2025

1

Odyssey Battery ODP-AGM78 Performance Series AGM Battery

How do we rank?

How do we rank?

Analyzing top stores

2

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

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 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

5

ACDelco Gold 94RAGM (88864542) 36 Month Warranty AGM BCI Group 94R Battery

9.7

8.7

8.7

6

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

8.9

8.7

8.4

7

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

1AUTODEPOT BCI Group 24F Car Battery, 12V 70Ah Automotive Battery Premium Maintenance Free AGM Batteries, 710CCA, 120RC, 36 Months Warranty

9

Boao 8-Piece Side Post Battery Terminal Adapter - 3/8 16 Bolts Standard Battery Post Stud Extender Screws

10

BELOMI 2 Pack Car Side Post Battery Terminal Brass Stud, Automobile Charging Solid Brass Extender Long Stud, 3/8"-16 GM Universal Car Thread Side Standard Battery Side Post Bolt

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