Product Description
The Duracell SLI400AGM-AUX (AUX14) Auxiliary Battery is no longer available.
The Deka AUX14 is direct-fit replacement for the SLI400AGM-AUX, covering Group AUX14 and Group 400 stop-start applications. Click the image for details.

Deka AUX14 Auxiliary Battery for Start-Stop Systems
Duracell SLI400AGM-AUX Auxiliary Battery
The Duracell AUX14 AGM stop start battery delivers the reliability that these vehicles require. Designed for premium efficiency, it provides 200 cold cranking amps (CCA) to power sensitive electrical systems. Built with absorbed glass mat technology, the AUX14 provides maintenance-free performance, reliable starting, and a long lifespan. Whether you’re replacing a failing factory auxiliary battery or upgrading for a road trip, this 12V AGM battery is designed to restore confidence.
Features & Benefits
- AGM Technology – Excellent performance, increased durability, and extended lifespan.
- Ready to Install – Charged and ready to go right out of the box for quick and easy installation.
- High Output – 200 cold cranking amps ensures reliable power in all weather conditions.
- Temperature Tolerant – Excellent performance in both high and low temperatures.
- Group 400 – Direct-fit replacement for applications calling for AUX14 or Group 400 batteries.
- Left-Positive Polarity – Matches OEM configuration for trouble free installations.
| Group Sizes | 400 AUX14 |
| Polarity | + Left / - Right |
| Type | AGM |
| CCA's | 200A |
| Voltage | 12V |
| Capacity | 14 Ah |
| Length | 5.94" (151 mm) |
| Width | 3.43" (87 mm) |
| Height | 5.79" (147 mm) |
| Terminals | AUX Type Posts |
| Weight | 10.57 lbs |
| Warranty | 2 Years |
Duracell SLI400AGM-AUX Battery Cross-Reference
Replaces Group 400 (AUX14) Batteries: 68647042AA, 88866185, 999M1-NBAUX14, AUX-14, AUX-400-200, AUX-400-245, AUX14 (Deka), AUX14 (Duracell), AUX14 (P1), AUX14-1, AUX14-200, AUX14-AGM, BAT AUX14, BBAUA200AD, BBAUX101AB, BUAUX14, MBTX12U, MTX-AUX14, PS-AUX14, S6590B, SLI400AGM-AUX.
Important: Always confirm your battery's dimensions, terminal configuration, and specifications before purchase to ensure proper fit and performance.