You can save time in the store by pre-booking your repair service appointment online today. We'll take it from there.
You can save time in the store by pre-booking your maintenance service appointment online today. We'll take it from there.
1956 Daimler Rd Rockford, IL 61112-1005
1956 Daimler Rd
Rockford, IL 61112-1005
All fields are required
1956 Daimler Rd
Most stores are open nights and weekends
Your car battery and electrical system are like the heart and soul of your vehicle. Take care of them and they'll make sure your car starts every time you turn the ignition. Visit your local Tires Plus for top-notch car battery replacement, testing, and service. We believe your car deserves only the best, which is why we sell and install America's #1 replacement battery, Interstate Batteries. Avoid the inconvenience of a dead battery and damage to your electrical system by replacing your car battery at the right time. We keep car battery prices low with special, internet-only pricing!
Stop by your nearest Tires Plus for a free battery check. One quick diagnostic test could save you from getting stranded with a dead battery at the worst possible time! We'll let you know how much life may be left in your battery, along with an estimated temperature at which it might fail. No time to swing by? Try our virtual car battery tester right now!
5-Year Performance Warranty & 24-Month Free Replacement Maintainence-Free
Regular Price From $129.99*
6-Year Performance Warranty & 30-Month Free Replacement Maintenance-Free
Regular Price From $139.99*
Get the Right Battery at the Right Price From Tires Plus.
When your vehicle needs a new battery, we can get you the right one at an affordable price. We stock Interstate Batteries — one of the best auto battery brands in the business. You can choose from 4–, 5– and 6–year performance warranty batteries that all provide reliable starting capabilities. When you buy a new battery from us, we’ll always replace it with one that meets the vehicle manufacturer’s recommendations. Use our Battery Selector (near the top of this page) to see battery prices, as well as a complete list of the features and benefits for each battery. Plus, we offer special internet–only pricing for batteries, so you’re sure to get a price that won’t break the bank.
There's more to caring for your car battery than having it tested and replaced. Understanding how your battery and electrical system work can help you save money and make the best decisions for your car in the long run.
The electrical system includes three main parts — battery, starter and alternator. These components help start your car’s engine and keep it running. If one of these parts isn’t working right, your car won’t start or run properly. So this is where our electrical system check comes in handy. We can pinpoint problems when they occur (or before they occur!) and provide all the services you might need to help get you back on the road.
1- The Battery
Your auto battery converts chemical energy into electrical energy to make your vehicle run. The battery provides energy to start it up, and also helps stabilize voltage to keep your engine running. When your battery’s power is low, or its cables or terminals are loose, your vehicle probably won’t start. (Unfortunately, your vehicle generally gives very few warning signs before it fails.) To help, Tires Plus offers an early detection test that helps determine if your battery is beginning to fail.
2 - The Starter
Although the battery supplies the power to start your vehicle, the starter is really what gets the engine going. The battery supplies a small amount of power to the starter motor. The starter then rotates the flywheel, which turns the crankshaft and begins the movement of the engine’s pistons. It’s difficult to determine when a starter will fail, but an electrical system check at Tires Plus can determine the warning signs. We know what’s happening by checking if the starter is drawing the proper amount of current. Excessive current draw will indicate a worn starter, while a low current draw indicates corroded cables or connections. Too much or too little current can expose signs of a bad starter — so the professionals at Tires Plus can fix it!
3 - The Alternator
When your engine is running, the alternator keeps the battery charged and the electrical system going. Your car can start with a faulty alternator, but it won’t be able to run for an extended period of time. If the alternator requires replacement, your vehicle’s electrical system will perform erratically, its battery will discharge, and eventually your engine will lose power. These are signs of a bad alternator. A complete electrical system check from Tires Plus will tell you whether the alternator is generating the proper amount of current and voltage — and let you know before your alternator fails.
Electrical systems rarely fail — but auto batteries, starters and alternators are not designed to last the life of a vehicle. If you keep your vehicle long enough, they’ll eventually require replacement. Tires Plus won’t let failure take you by surprise. Come to us and get your system checked — we can help prevent you from being stranded because of a failed part. If you’re unsure if your vehicle needs a new battery, schedule a free battery test, electrical system maintenance or diagnosis.
In most cases, your vehicle gives you very few warning signs that electrical system components are coming to the end of their life cycle. Here are some signs that your vehicle’s electrical system may not be functioning properly:
The average car battery life is 3 to 5 years. However, auto battery quality, driving habits and driving region have an impact on a battery’s life. For example, if you take many short trips (less than 20 minutes), your battery won’t have enough time to recharge fully, which can shorten the battery’s life. Also, exposure to extreme temperatures — both hot and cold — can also shorten its lifespan. This map gives an indication of how long batteries will last in different climates.
Try our Virtual Battery Tester (at the top of this page) to get an idea of how long your original auto battery might last. If your battery is near the end of its estimated life for your region, Tires Plus offers a choice of Interstate Batteries to fit your vehicle.
There are certain preventative measures you can take to get the most out of your vehicle’s battery and electrical system. Here are some tips:
Our Corrosion Protection Package, Battery Terminal cleaning service, and quality replacement parts like Interstate Batteries can all help you get the most out of your existing electrical system parts — and provide you with quality replacement parts when original components fail.
Our technicians use special Early Detection analyzers to give your battery a free check–up every time you bring your vehicle in for tires, maintenance or repairs. This equipment lets you know if your battery is providing adequate power and at what temperature it could potentially fail. After your battery check we’ll give you a printout with one of three possible results:
If you decide to buy a new car battery after receiving a Marginal or Replace result, you can get more information on battery products via our Battery Selector (near the top of this page). With this tool, you can choose your battery, get a quote, and set up an installation appointment — all in one place. Plus, we offer special internet–only car battery prices on Interstate Batteries, so you’re sure to get a great price.
Quality people, parts and service — these are the three main reasons we think we’re the best when it comes to batteries and electrical systems. We have ASE–certified technicians and always follow Motorist Assurance Program (MAP) guidelines when maintaining and making repairs, making sure your vehicle will start. We offer a complete line of Interstate Batteries, and we sell more of their battery products than any other retailer. Plus, our service is unmatched — we make it easy to buy, set up an appointment and install your battery and electrical systems on your schedule, with affordable pricing.
Your time is valuable. So we guarantee your car will be ready when we say it will, or we’ll give you 10% OFF your next purchase.*