Deka AUX12 Auxiliary Battery for Start-Stop Systems

Deka

$107.95
SKU:
DEKA-AUX12
Shipping:
Calculated in Cart
Type:
AGM
Group Size:
AUX12
Length:
5.5" - 5.9"
Width:
3.0" - 3.4"
Height:
5.0" - 5.4"
Polarity:
+ Left / - Right
Factory Activated:
Yes
Terminals:
Aux
Group Size:
401
Weight:
9.5 lbs
Voltage:
12V
Capacity:
10Ah
Capacity Group:
5 - 10Ah
Capacity Group:
10 - 20Ah
In Stock
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Product Description

Deka AUX12 Auto Start Stop Battery

The Deka AUX12 AGM auxiliary battery for stop-start systems delivers reliable, high-output power with advanced AGM technology. Engineered specifically for modern vehicles with automatic start-stop technology, it provides stable voltage support for advanced safety systems and infotainment while handling thousands of engine restarts with ease. This maintenance-free, factory-activated battery offers exceptional vibration resistance, rapid recharge capability, and long service life, making it the ideal direct-fit solution for demanding automotive applications.

Features & Benefits

  • Advanced AGM Technology – Sealed & maintenance-free design that prevents leaks and corrosion.
  • Start-Stop Optimized – Consistent power for thousands of engine restarts while supporting vehicle electronics.
  • 180 CCA Rating – Provides strong, dependable power in all driving conditions and temperatures.
  • POWER-PERFORM Grid – Maximizes cranking power and significantly reduces self-discharge for better reliability.
  • Vibration Resistance – Reinforced internal structure protects the battery during rough driving conditions.
  • Factory Activated – Comes fully charged and ready for immediate installation with no additional prep needed.
  • Direct OEM Fit – Perfect replacement for Group 401 / AUX12 batteries with correct polarity and terminal design.
  • Made in the USA – Manufactured by East Penn to the highest quality standards for lasting performance.

Why Choose Deka Intimidator Batteries?

Deka Intimidator AGM auxiliary batteries are built to meet the rigorous demands of today’s start-stop vehicles. Combining advanced AGM technology with POWER-PERFORM® grids, these batteries deliver exceptional cycling capability, rapid energy recovery, and stable voltage support for sensitive vehicle electronics. Designed for thousands of engine restarts, they offer superior vibration resistance and long-term reliability. Backed by American manufacturing excellence from East Penn, Deka Intimidator batteries provide the quality and performance drivers expect from a trusted name in battery technology.


Deka AUX12 Specs
Voltage 12 Volts
Group Sizes AUX12 / 401
Capacity 10Ah
Cold Cranking  Amps 180A
Type AGM
Factory Activated Yes
Terminals AUX Type
Polarity + Left / - Right
Length 5.88" (149 mm)
Width 3.44" (87 mm)
Height 5.13" (130 mm)
Weight 9.5 lbs (4.3 kg)
Warranty 1 Year


Deka AUX12 Auxiliary Battery Datasheet
Deka Auxiliary Battery Information


Deka AUX12 Battery Cross-Reference

Replaces Group 401 (AUX12) Batteries: AUX12 (Deka), AUX12 (Duracell), AUX12-AGM, MBTX12U, MTX-AUX12, PS-AUX12, SLI401AGM-AUX.

Important: Always confirm your battery's dimensions, terminal configuration, and specifications before purchase to ensure proper fit and performance.

Warranty Information

1 Year Warranty

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