What’s the Warranty on a Subaru Battery?

The Subaru New Vehicle Limited warranty covers original batteries for three years or 36,000 miles. Click here for more information.
Written by Nick Kunze
Reviewed by Melanie Reiff
A new Subaru comes with a New Vehicle Limited Warranty, which covers your battery for three years or 36,000 miles. Hybrid owners get a longer battery warranty of eight years or 100,000 miles. 
Your car’s battery is one of its most crucial components—it won’t run without a working battery, and many comfort and technology features rely on battery power. If you’re planning to purchase a new Subaru, you’ll want to know how long your battery will be covered.
Check out this guide created by
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for everything you need to know about Subaru’s battery warranty policy. We'll go over how to protect your car’s power source and even give you some tips for saving on
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What’s the warranty on a Subaru battery?

The battery of any Subaru vehicle is covered under the company’s New Vehicle Limited Warranty. This warranty will cover your vehicle (battery included) for three years or 36,000 miles, whichever comes first. 
Subaru offers special coverage for their hybrids, the Subaru Hybrid System Warranty. This will cover your hybrid’s battery, plus other issues, for eight years or 100,000 miles, whichever comes first.
On average, car batteries last between three and five years, while hybrid batteries can last 10-20 years. That means there’s a chance you’ll need to replace your battery before your warranty runs out.
Want to know about Subaru’s other warranties? Here’s how Subaru warranties break down:
What it covers
How long it lasts
New vehicle warranty
Basic coverage
Three years or 36,000 miles
Powertrain warranty
Engine, oil pump, intake manifolds, and more
Five years or 60,000 miles
Hybrid system warranty
Battery, charger unit, and more
Eight years or 100,000 miles
Seat belt lifetime warranty
Seat belt
Wear item warranty
Brake pads, clutch linings, wiper blades
Three years or 36,000 miles
Rust perforation warranty
Any rust that begins from the inside
Five years, unlimited miles
MORE: How to decide if you need a bumper-to-bumper warranty
Key Takeaway Your Subaru’s battery is covered under a new vehicle warranty, which gives you three years or 36,000 miles of coverage.

Signs your Subaru battery needs to be replaced

Here are a few indicators that it’s time to
replace your battery
  • Battery light is on: If the battery light on your dashboard turns on, this could indicate your battery is losing strength.
  • No power to lights and horn: If you’re having issues with parts of your car powered by the battery—like the lights, horn, or radio—you may need a battery replacement. 
  • Engine cranks without starting: This is a sign your battery is on its last legs, as it is no longer strong enough to start your car.
  • Swollen battery case: The battery case can bulge when it is overcharged. This is dangerous and you need to get this battery replaced as soon as possible.
  • Leaking battery: If you notice your battery leaking, it's time to get it replaced. 
The lifetime of a battery depends on the vehicle and driver, but you should expect to replace your battery every three to five years

How to extend the lifespan of a Subaru battery

Alongside keeping a
basic car maintenance schedule
for your Subaru, here are a few ways you can easily extend your battery’s lifespan:
  • Avoid frequent short trips. Driving charges your battery, so long drives are better for your battery. Short drives take charge without replacing the power they use. 
  • Don’t leave your car unused for long periods. No usage can also cause your car to lose charge. If you know your car will be sitting dormant for an extended period, consider investing in a trickle charger.
  • Double-check that your lights are off. Leaving your lights on when the car is not in use will drain your battery.
  • Scrub your battery terminals. Fight corrosion by cleaning your battery terminals. A toothbrush covered in baking soda solution should do the trick. 
  • Steer clear of extreme heat. Heat can damage batteries, so try and keep your Subaru out of extreme heat whenever possible. 
MORE: How to refill a car battery

How to find affordable Subaru insurance 

If you’re hoping to lower the cost of your Subaru’s
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