The Ford Explorer uses two different battery systems depending on the powertrain: a standard 12-volt starting battery for gasoline and non-hybrid models, and a high-voltage battery pack for hybrid versions. The exact 12-volt battery size can vary by model year and trim, so always check the label or owner's manual for the precise specification.
Battery systems in the Explorer
Here is a breakdown of the two battery systems you are likely to encounter across Explorer models.
12-volt starter battery (gas and non-hybrid models)
The Explorer uses a conventional 12-volt lead-acid battery to power the starter and all the electronic systems when the engine is not running. The physical size (group size) and capacity can differ by year and trim, and the exact specification is shown on the battery label or in Ford's documentation.
- Purpose: Starting the engine and supplying power to lights, infotainment, and accessories when the engine is off.
- Typical characteristics: 12-volt system, lead-acid chemistry, capacity labeled in amp-hours (Ah) and cold-cranking amps (CCA) on the battery.
- Finding the size: Check the battery label on the top or side, check the owner's manual, or consult a Ford dealer or parts retailer for your specific year/trim.
In summary, the standard 12-volt battery is the primary battery in non-hybrid Explorers, and its size must be confirmed for your exact vehicle.
High-voltage battery pack (hybrid models)
Hybrid Explorers house a larger, high-voltage battery pack that works with the gasoline engine and electric motors to improve efficiency. This pack is not a user-serviceable item in the same way as the 12‑volt battery, and Ford technicians handle its maintenance and replacement. The capacity and chemistry can vary by model year; Ford does not routinely publish the exact kWh rating for every year in consumer materials.
- Purpose: Powers electric motors and stores energy recovered during braking to improve fuel economy.
- Typical characteristics: High-voltage pack, designed for hybrid operation; usually rated in kilowatt-hours (kWh) rather than simple Ah at 12V; replacement or servicing is handled by trained technicians.
- Finding information: The HV battery details are usually specified in Ford's service documentation or can be confirmed by a dealer or certified technician.
In short, hybrid Explorers use a separate high-voltage battery pack; the two battery systems are distinct and serve different roles.
How to identify the correct battery size for your Explorer
To ensure you buy the right part, follow these steps to confirm the 12V battery size for your specific model and year. And for hybrids, rely on professional service for HV battery inquiries.
- Consult the owner's manual or the under-hood battery label for the group size, cold-cranking amps (CCA), and reserve capacity. The label is typically on the top or side of the battery.
- Compare your findings with your exact model year and trim in Ford's official documentation or with an authorized parts retailer.
- If shopping in a store or online, enter your VIN to ensure compatibility.
Accuracy is important; the 12V battery is replaceable by owners, while the high-voltage pack in hybrids should be serviced by trained technicians.
Summary
Most Ford Explorers use a standard 12-volt lead-acid battery for starting and electronics in gas and non-hybrid models, while hybrid variants include a larger high-voltage pack to power the hybrid system. The exact 12-volt battery size varies by year and trim, and the high-voltage pack’s capacity is specified by Ford for service purposes. Always verify with the battery label, owner's manual, or a Ford dealer to ensure you have the correct part for your specific Explorer.