Product Description
Engineered Power for Start-Stop Vehicles
The Duracell AUX12 AGM Auxiliary Battery delivers the high-performance reliability today’s start-stop vehicles demand. Designed for premium efficiency, it provides a robust 170 cold cranking amps (CCA) to power advanced electrical systems without hesitation. Built using Absorbed Glass Mat (AGM) technology, this battery ensures exceptional vibration resistance, temperature tolerance, and maintenance-free operation, making it the trusted choice for consistent performance in all driving conditions. Pre-charged and ready to install with included terminal hardware to help ensure installing your new auxiliary battery is quick and easy.
SLI401AGM-AUX Features:
- Designed for Start-Stop Systems – Provides stable, high-output power for vehicles with automatic start-stop technology.
- Ready to Install – Charged and ready to go right out of the box for quick and easy installation.
- 170 Cold Cranking Amps – Ensures dependable starting power in all temperatures and conditions.
- Advanced AGM Technology – 100% maintenance-free sealed design prevents leaks and corrosion for longer life.
- Enhanced Vibration Resistance – Reinforced internal structure extends battery life under demanding conditions.
- Perfect OEM Fit – Direct-fit replacement for Group 401 batteries, including PS-AUX12.
- Positive Left / Negative Right Polarity – Matches OEM terminals for easy installation.
AGM Technology for Lasting Performance
Duracell’s advanced AGM construction locks in power while eliminating the risk of spills or corrosion. This 100% sealed design provides longer life cycles and superior durability, ensuring stable voltage delivery to critical vehicle systems such as automatic start-stop, infotainment, and climate control. Unlike conventional flooded batteries, an AGM auxiliary battery resists heat, vibration, and deep discharge damage—ideal for modern vehicles with high electrical demands.
| Voltage | 12V |
| Group Sizes | AUX12 / 401 |
| Capacity | 10.5Ah |
| Cold Cranking Amps | 170 |
| Lead Acid Design | AGM |
| Factory Activated | Yes |
| Polarity | + Left / - Right |
| Length | 5.9" |
| Width | 3.4" |
| Height | 5.1" |
| Weight | 9.5 lbs |
| Warranty | 2 Year |
SLI401AGM-AUX Cross Reference:
Replacement for Group 401 batteries: AUX12, PS-AUX12, BCI Group 401.
Important: Always confirm your battery's dimensions, terminal configuration, and specifications before purchase to ensure proper fit.
