What Battery Does a 2012 Dodge Avenger Need
The 2012 Dodge Avenger requires a Group Size 35 or H5 battery with 640-730 cold cranking amps (CCA) and reverse terminal placement. Opt for maintenance-free AGM or enhanced flooded batteries for optimal performance. Replacement typically costs $120-$250, with installation taking 15-30 minutes using basic tools.
How Does the 2012 Dodge Avenger Battery Compare to Other Models?
The Avenger’s Group 35 battery shares specifications with Chrysler 200 and Jeep Patriot models but differs from larger Dodge vehicles like the Durango (Group 65). Its compact design accommodates tight engine bay space while delivering sufficient power for the 2.4L and 3.6L engines. Unique electronic features require stable voltage maintenance to prevent system resets.
This mid-size sedan’s electrical architecture demands precise voltage regulation due to its electric power steering and advanced infotainment system. While the Group 35 format is common across several FCA vehicles, the Avenger’s battery tray design differs slightly from the Chrysler 200’s configuration. Mechanics note that using incorrect group sizes can lead to premature alternator failure, as the charging system expects specific resistance levels. Compared to trucks in Dodge’s lineup, the Avenger prioritizes space efficiency over extreme cold weather performance, making AGM batteries particularly beneficial for urban drivers who frequently use start-stop technology.
Where Is the Battery Located in a 2012 Dodge Avenger?
The battery resides in the front-right engine compartment, secured by a retention bracket. Access requires removing the air intake duct on 4-cylinder models. V6 configurations feature tighter clearance near the windshield washer reservoir. Terminal positions follow JIS standard (negative on right, positive on left when facing battery).
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How Do You Replace the Battery in a 2012 Dodge Avenger?
1. Disconnect negative then positive terminals using 10mm wrench
2. Remove hold-down clamp (13mm bolt)
3. Lift out old battery (35-45 lbs)
4. Clean corrosion with baking soda solution
5. Install new battery matching terminal orientation
6. Reconnect positive then negative terminals
7. Reset clock and radio presets
8. Test charging system (13.5-14.8V when running)
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Why Does the Avenger Require Specific Battery Programming?
2012 Avengers with Start-Stop technology need battery registration to reset the Power Management Control Module. This ensures proper charging system calibration for AGM batteries. Without programming, the alternator may overcharge, reducing battery life. Dealerships use WiTECH software, while third-party tools like Autel MaxiPRO can perform resets.
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Optimal cold-weather performers:
• Odyssey Extreme 35-PC1400T (730 CCA)
• ACDelco Gold 94RAGM (700 CCA)
• Optima RedTop 35 (720 CCA)
These AGM batteries maintain cranking power below 0°F and withstand vibration better than standard flooded types. Ensure 3-year minimum warranty for northern climate operation.
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AGM (Absorbent Glass Mat) technology proves particularly effective in freezing conditions due to its sealed design and lower internal resistance. When comparing cold cranking performance, consider both the rated CCA and reserve capacity – a battery with 90-minute reserve capacity provides better reliability during extreme cold snaps. For Alaskan winters or Canadian climates, upgrading to a battery with 800+ CCA (while maintaining Group 35 dimensions) can prevent morning start failures. Always verify terminal orientation matches the Avenger’s JIS configuration to avoid cable strain.
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