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 AUX14-200 (88866185) 36 Month Warranty Auxiliary AGM 200 CCA Battery

Product ID: 282122934

Details

Battery Cell Composition
Lead-Acid AGM
Brand
ACDelco
Number Of Cells
6
Product Dimensions
3.4"D x 5.9"W
Resistance
0.33 Milliohms
Size
large

💧Maintenance-free AGM tech

🔋200 CCA power boost

🛡️36-month warranty shield

$339.65

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Description

🔋 Charge ahead with confidence—power, durability, and zero hassle!

SAFETY FIRST - Leak-proof pressurized valve system protects terminals from acid damage and dry-out.
BUILT TO ENDURE - Heavy top lead and vibration-resistant design maximize durability on every drive.
POWER THAT LASTS - 200 Cold Cranking Amps deliver reliable starts even in extreme conditions.
WORRY FREE MAINTENANCE - AGM technology means no water, no spills, no leaks—just pure performance.
PERFECT FIT EVERY TIME - Engineered to meet OEM specs for GM and most vehicle makes, ensuring seamless installation.

The ACDelco Gold AUX14-200 is a premium 12V AGM automotive battery offering 200 Cold Cranking Amps, designed for deep cycle performance and long-lasting reliability. Featuring maintenance-free Absorbed Glass Mat technology, a leak-proof valve system, and heavy-duty construction, it fits most GM and other vehicle models. Backed by a 36-month warranty, it’s engineered for safety, durability, and optimal power output.

Specifications

ASIN	B08W5HH5FD
Automotive Fit Type	Vehicle Specific Fit
Battery Type	Lead-Acid, AGM
Best Sellers Rank	#9,536 in Automotive ( See Top 100 in Automotive ) #30 in Automotive Replacement Batteries
Brand Name	ACDelco
Compatible with Vehicle Type	Passenger Car
Customer Reviews	4.3 4.3 out of 5 stars (810)
Included Components	Vehicle Battery
Item Dimensions D x W x H	3.4"D x 5.9"W x 5.7"H
Item Type Name	EREV Starting Battery,EREV Starting Battery
Manufacturer	ACDelco
Manufacturer Part Number	88866185
Manufacturer Warranty Description	36 Month Free Replacement / Limited Warranty (Parts Only). Please see ACDelco.com for more details.
Model Number	AUX14-200
Number Of Cells	6
Resistance	0.33 Milliohms
Size	large
Terminal	AGM terminal
UPC	193468382952
Unit Count	1.0 Count
Voltage	12 Volts

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$339.65

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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.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

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