How is an AGM battery different than a conventional battery?

An AGM battery uses a fiberglass mat to absorb the electrolyte that’s essential for energy storage and delivery. A conventional “flooded” battery contains a liquid electrolyte. The AGM design makes the battery spill-proof and maintenance-free.

What are the benefits of an AGM battery?

An AGM battery’s maintenance-free design makes it spill-proof and resistant to vibrations. It also offers up to twice the life of conventional flooded batteries, along with more power and Cold Cranking Amps than conventional flooded batteries.

Do I have to replace an AGM battery with another?

Yes. If the original-equipment battery was an AGM battery, it’s important to replace it with another. That also goes for “aux” batteries in vehicles with Start/Stop technology and other features with unique electrical demands.

What is an “aux” battery?

Some vehicles use an auxiliary battery as a part of a more complex electrical system with increased demands. Typically, these “aux” batteries are used in vehicles with Start/Stop technology as well as hybrid vehicles and battery-electric vehicles.

Can I use an AGM battery in a vehicle that did not originally come with one?

In most cases, the answer is yes. Most modern vehicles can accommodate an AGM battery as a direct replacement. Some vehicles, however, may have compatibility issues when it comes to the charging and voltage needs for an AGM battery.

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ACDelco Gold 78XAGM (88866070) 48 Month Warranty Premium AGM BCI Group 78 Battery

ACDelco Gold 78XAGM (88866070) 48 Month Warranty Premium AGM BCI Group 78 Battery

Product ID: 333984222

Details

Automotive Fit Type
Vehicle Fit
Battery Cell Composition
Lead-Acid AGM
Brand
ACDelco
Item Weight
49.5 Pounds
Manufacturer
ACDelco
Number of Items
1

⚡Advanced AGM lead-acid tech

🔋48-month warranty power guarantee

🚗Vehicle-specific perfect fit

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Description

🔋 Power your drive with confidence — don’t get left stranded!

TAILORED FIT FOR YOUR RIDE - Engineered to meet exact GM specs and compatible with most passenger cars
CUTTING EDGE AGM TECHNOLOGY - Absorbed Glass Mat design for superior durability and spill-proof reliability
LONG LASTING POWER ASSURANCE - 48 months of worry-free performance backed by a robust warranty
PREMIUM REPLACEMENT CONFIDENCE - ACDelco Gold quality ensures seamless fit, form, and function for your vehicle
HASSLE FREE DELIVERY INSTALLATION - Free delivery options make upgrading your battery effortless and timely

The ACDelco Gold 78XAGM is a premium AGM lead-acid battery designed specifically for passenger cars, offering a 48-month free replacement warranty. Engineered to meet General Motors specifications and compatible with most makes and models, it delivers reliable, spill-proof power with a perfect vehicle-specific fit. Weighing 49.5 pounds and backed by ACDelco’s trusted brand, this battery ensures long-lasting performance and peace of mind.

Specifications

ASIN	B097J2Z1GX
Automotive Fit Type	Vehicle Specific Fit
Battery Cell Composition	Lead-Acid, AGM
Battery Type	Lead-Acid, AGM
Best Sellers Rank	#418,254 in Automotive ( See Top 100 in Automotive ) #797 in Automotive Replacement Batteries
Brand	ACDelco
Brand Name	ACDelco
Compatible with Vehicle Type	Passenger Car
Customer Reviews	3.7 out of 5 stars 30 Reviews
Included Components	Vehicle Battery
Item Type Name	7 Yr Profess Platinum,7 Yr Profess Platinum
Item Weight	49.5 Pounds
Manufacturer	ACDelco
Manufacturer Part Number	88866070
Manufacturer Warranty Description	48 Month Free Replacement / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details
Model Number	78XAGM
UPC	193468102017
Vehicle Service Type	Passenger Car
Voltage	12 Volts (DC)

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$1245.91

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