The Ford Five Hundred uses a standard 12-volt automotive battery. Replacements should match the factory group size and deliver enough cold-cranking amps (CCA) for your climate and engine. In most cases, a maintenance-free 12V lead-acid battery is appropriate, but the exact group size depends on your model year and engine.
To determine the right battery, you’ll need to check the owner’s manual or the label on your current battery for the exact group size and electrical specs. This article walks you through how to identify the correct size, what performance specs to prioritize, and practical installation tips to ensure reliable starts across seasons.
Key criteria for choosing a replacement
Use the following criteria to pick a replacement that fits your Five Hundred and your driving conditions.
- Group size and fitment (matches the battery tray, hold-down, and terminal layout)
- Cold-cranking amps (CCA) appropriate for your climate and engine
- Reserve capacity (RC) to keep accessories powered during a stalled or idling condition
- Battery type: maintenance-free sealed lead-acid is standard; AGM is an aftermarket option in some markets
- Terminal configuration and polarity (positive/negative placement matches your cables)
- Brand reputation and warranty coverage (look for 2–4 year warranties or better)
Choosing a battery that meets these criteria helps ensure reliable starts and minimizes strain on the charging system in varying weather and driving conditions.
Common specs to guide your purchase
Below are the typical specifications you’ll compare when shopping for a Five Hundred battery. Exact numbers can vary by year and engine, so always verify with your current battery or owner’s manual.
- Group size: Group sizes commonly used for Ford mid‑2000s models in this class include 65, 75, or 78; confirm the correct size for your car
- CCA (cold-cranking amps): generally in the 650–800 CCA range depending on climate and engine; aim higher in colder climates
- RC (reserve capacity): typically 90–120 minutes to help run electronics if the alternator isn’t charging
- Battery type: predominantly maintenance-free flooded lead-acid; AGM options exist as aftermarket upgrades in some markets
- Terminal layout: ensure top-post or side-post configuration matches your cables and clamps
- Warranty: look for at least a 2–3 year warranty, with longer coverage preferable
With these guidelines, you can compare options confidently and choose a battery that meets the Five Hundred’s needs across seasons and climates.
Installation and maintenance basics
Follow these practical steps to install a new battery safely and ensure longevity.
- Park on a level surface, turn off the ignition, and wear eye protection and gloves
- Disconnect the negative (usually black) terminal first, then the positive (red) terminal
- Remove the old battery, clean the tray and terminal clamps to remove corrosion
- Place the new battery in the tray, secure with the hold-down clamp, and reconnect terminals in the reverse order (positive first, then negative)
- Apply anti-corrosion grease on terminals, ensure tight connections, and test starting and electrical systems
- Recycle the old battery at a local auto parts store or service shop
If you frequently drive in very cold or hot conditions, consider a battery with higher CCA or RC, and have the alternator and charging system tested if you notice slow starts or dim lights.
Summary
In essence, choose a 12-volt lead-acid battery that fits the Ford Five Hundred’s group size and delivers adequate CCA and RC for your climate. Verify the exact group size from the owner’s manual or the current battery label, select a maintenance-free design (with AGM as an aftermarket option if desired), and follow safe installation practices. A properly sized, high-quality battery helps ensure reliable starts and steady electrical performance year-round.
What coolant do I need for a 2005 Ford Five Hundred?
ZEREX – G-05 Formula 50/50 Pre-Mixed RTU Antifreeze / Coolant, 1 Gallon (Part No. ZXG05RU1)
What battery does a 2007 Ford 500 take?
ACDelco Standard Flooded Top Post Battery Group Size 36R 650 CCA 130 Minute RC - 36RS.
How much is a 2005 Ford Five Hundred worth?
Estimated Values
Estimated Trade-In Values for the 2005 Ford Five Hundred SE Sedan 4D range from about $600 to $600 depending on vehicle condition. Estimated Private Party Values range from about $1,200 to $1,550 depending on vehicle condition. Valid for ZIP Code 29401 through 4/16/2026.
What battery does a 2005 Ford Five Hundred take?
DieHard Silver – Battery : 36R Group Size, 650 CCA, 813 CA, 130 Minute Reserve Capacity (Part No. 36R-1)


