The Ram 1500 from 2015 uses a standard 12-volt automotive battery. In most trims, replacements are conventional flooded lead-acid batteries in a typical group size such as 65 or 75, with a cold-cranking-amps rating in the high hundreds. Always verify the exact size and rating by checking the current battery label or your owner's manual, as engine options and equipment can shift requirements.
In practice, you’ll want a battery that matches or exceeds the original's specs. The precise group size and CCA depend on the engine (for example, V6 or V8) and the vehicle’s electrical load, so the best approach is to confirm the exact group size from the label on your existing battery or via Ram’s specs for your VIN. If you’re unsure, a reputable auto parts retailer can cross-check using your VIN and year.
Battery basics for the 2015 Ram 1500
The 12-volt battery powers starting, lighting, and electronics. Most 2015 Ram 1500s use a conventional flooded lead-acid battery; AGM options are generally not required unless the truck has special equipment or stop-start, which is uncommon for that year.
Flooded vs AGM and what it means for replacement
Flooded (wet-cell) batteries are the standard for most 2015 Ram 1500s. AGM (absorbed glass mat) batteries are used on some stop-start vehicles and heavy electrical loads; they’re more resistant to vibration and have different charging requirements, but they’re not usually required for the 2015 Ram 1500 unless your trim includes specific features.
To identify what you need, use the following checklist.
- Look at the current battery’s label for the “Group Size” and “CCA” (cold-cranking amps). This tells you the exact replacement type and performance rating the truck requires.
- Check the owner's manual or Ram’s official specs for your VIN to confirm the recommended group size and CCA.
- When shopping, pick a new 12-volt flooded automotive battery that matches the group size and has equal or higher CCA and RC than the original.
- Ensure the battery terminals and polarity match your truck’s wiring; Ram 1500 uses standard terminals, so verify before purchasing.
With the right size and rating, the new battery will fit correctly and deliver reliable starting power for the Ram’s electrical systems.
Practical tips for replacement and maintenance
Before removing the old battery, make sure the vehicle is off, and disconnect the negative terminal first to avoid shorts. Clean any corrosion on the terminals and ensure the battery tray is intact and secure. When installing, tighten the terminals to the manufacturer’s torque specification and reconnect the negative cable last. If you’re replacing a battery that’s older than 4-5 years, consider replacing it proactively to avoid stranded starts.
Summary
In short, a 2015 Ram 1500 uses a standard 12-volt lead-acid automotive battery (flooded type). The exact group size, CCA, and RC depend on the engine and equipment, but common replacements are group sizes around 65–75 with adequate CCA. Always verify by checking the battery label or the owner's manual, and choose a battery with equal or better specs to ensure reliable starting and electrical performance.
What size battery is in the RAM 1500 5.7 Hemi?
DieHard Gold – Battery: H7 Group Size, 800 CCA, 1000 CA, 140 Minute Reserve Capacity (Part No. 94RH7)
What battery fits a RAM 1500?
What kind of car battery does a RAM 1500 use? You will need a 12V lead acid car battery for your RAM 1500. Century, Panasonic and Varta make batteries for your RAM 1500 and we also have other brands.
What kind of battery is in the 2015 Ram 1500?
M-94R/H7.
What kind of battery is in a Dodge Ram?
EverStart Maxx Lead Acid Automotive Battery, Group Size H7 / LN4 / 94R 12 Volt, minimum 790 CCA.