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

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

Product ID: 11921371

Details

Battery Cell Composition
Brand
ACDelco
Item Weight
45.5 Pounds
Number Of Cells
6
Product Dimensions
7.5"D x 11.9"W
Resistance
0.02 Ohms

⚡0.02 Ohms ultra-low internal resistance

🔋36-month warranty for long-lasting power

🛡️Silver-Calcium alloy for enhanced cycle life

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Description

🔋 Power your drive with confidence—stay ahead, stay unstoppable!

UNMATCHED DURABILITY - 36 months of worry-free, free replacement coverage keeps you powered up and stress-free.
COOL SAFE OPERATION - Advanced acid circulation and puncture-resistant separator prevent overheating and leaks.
PEAK PERFORMANCE CHEMISTRY - Silver-Calcium grids and high-density negative paste maximize conductivity and battery lifespan.
MAINTENANCE FREE RELIABILITY - AGM design with oxygen recombination means zero spills and minimal upkeep—perfect for busy pros.
OPTIMIZED FOR START STOP TECH - Engineered for modern vehicles with high cycling demands, ensuring your truck never misses a beat.

The ACDelco Gold 48AGM is a premium 12V Silver-Calcium AGM battery designed for trucks and start/stop vehicles. Featuring a robust 36-month free replacement warranty, ultra-low 0.02 Ohm internal resistance, and advanced acid circulation technology, it delivers superior cycle life, leak-proof safety, and maintenance-free reliability. Engineered to keep pace with demanding automotive applications, this battery ensures consistent, cool, and efficient power for professionals who refuse to compromise.

Specifications

ASIN	B008FWCLHU
Automotive Fit Type	Vehicle Specific Fit
Battery Type	Silver-Calcium
Best Sellers Rank	#1,949 in Automotive ( See Top 100 in Automotive ) #8 in Automotive Replacement Batteries
Brand Name	ACDelco
Compatible with Vehicle Type	Truck
Customer Reviews	4.4 4.4 out of 5 stars (2,256)
Item Dimensions D x W x H	7.5"D x 11.9"W x 7.6"H
Item Type Name	lead_acid_battery
Item Weight	45.5 Pounds
Manufacturer	ACDelco
Manufacturer Part Number	88864541
Manufacturer Warranty Description	36 Month Free Replacement / Limited Warranty
Model Number	48AGM
Number Of Cells	6
OEM Equivalent Part Number	88864541
Resistance	0.02 Ohms
Size	Standard
UPC	707773904015
Unit Count	1.0 Count
Voltage	12 Volts

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$813.55

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In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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