Pep Boys experts explain how drivers can spot early battery failure before they’re left stranded

PHILADELPHIA, Sept. 15, 2026 /PRNewswire/ — No one wants to be stranded with a dead car battery, especially when the situation may be preventable. From a sluggish engine crank to dim headlights, subtle warning signs often appear well before a battery fails completely. Pep Boys, a leading automotive service provider, is helping drivers recognize when to replace a car battery so they can avoid being caught off guard on the road.

“A car battery rarely fails without warning,” said Ken Lichty, Technical Trainer at Pep Boys. “The signs are usually there weeks in advance. If drivers know what to look for and get their battery tested regularly, they can avoid an unexpected breakdown and save money by catching the issue early.”

Why Battery Health Matters

A vehicle’s 12-volt battery does more than start the engine. In gas-powered and hybrid vehicles, it supplies electrical power when the engine is off and delivers the current needed to run the starter motor, while also helping stabilize voltage for onboard electronics. In electric vehicles, the 12-volt auxiliary battery powers low-voltage systems until the vehicle enters Ready Mode, at which point a DC-to-DC converter takes over, similar to how an alternator functions in a traditional vehicle.

Battery performance typically declines in colder months, making regular checks and timely replacement especially important heading into winter.

5 Signs a Car Battery May Be Failing

Pep Boys identifies the following warning signs drivers should watch for:

1. Slow Engine Crank – An engine that takes longer than usual to start, or turns over sluggishly, may signal a battery nearing the end of its life.
2. Dim Headlights or Charging-System Issues – Dim or flickering headlights, particularly alongside a warning light, can point to an alternator or charging-system problem.
3. Dashboard Warning Light – A battery-shaped warning light typically indicates the battery or charging system needs attention.
4. Frequent Jump-Starts – Needing repeated jump-starts may indicate that the battery is not holding a charge or that another part of the electrical system needs attention.
5. Random Electronic Malfunctions – Flickering dashboard lights, infotainment resets, or accessory glitches can occur when a failing battery no longer stabilizes voltage.

How Often Should a Car Battery Be Replaced?

Most car batteries last between three and five years, though lifespan varies based on climate, driving habits, and vehicle type. Frequent short trips, extreme heat or cold, and stop-start technology in modern vehicles can all shorten battery life. Pep Boys recommends drivers begin regular battery inspections once a battery passes the three-year mark, even without noticeable symptoms.

Getting a Professional Battery Test

Drivers who are unsure whether they need a new battery can request a professional battery test to assess the battery’s state of charge and ability to hold a load as well as the performance of the alternator and starter system. Pep Boys offers complimentary battery checks as part of routine service visits, along with inspection of battery terminals for corrosion and secure connections.

When a replacement is needed, Pep Boys technicians can help drivers choose the right option.

Stay Ahead of Battery Failure

Batteries don’t always give clear warning signs before they fail. Pep Boys encourages drivers to schedule a battery check if their vehicle’s starting behavior seems off or their battery is more than a few years old. Regular testing can help prevent unexpected breakdowns and keep vehicles running reliably.

To schedule a battery test or replacement, visit PepBoys.com or a local Pep Boys service center.

About Pep Boys

Pep Boys is a trusted leader in automotive services, dedicated to keeping drivers on the road with reliable maintenance and repair solutions. With nearly 800 locations across the U.S. and Puerto Rico, our team of skilled professionals, including many ASE-certified technicians, serves millions of customers each year, ranging from everyday drivers to commercial fleets.

Founded in 1921 by Navy veterans Manny, Moe and Jack, Pep Boys is built on a foundation of passion, trust and safety. More than a century later, we continue to honor that legacy by providing expert care, exceptional service and a strong commitment to the communities we serve.

We keep people moving.

Learn more at www.pepboys.com.

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SOURCE The Pep Boys – Manny, Moe and Jack LLC