iPhone Battery Replacement in Chicago

iPhone batteries are built to wear out. Each full charge takes a tiny bit of capacity with it, and after two or three years most phones start dying by dinnertime. The fix is cheap compared with a new phone. We do iPhone battery replacement at 1927 W Chicago Ave in West Town, usually while you wait, starting at $49.99.

Walk in during open hours, or book a time if you want the part set aside. If your iPhone runs out by mid-afternoon or shuts off at 20%, the battery is the first thing to check. The next section tells you whether you need this repair at all.

How to check iPhone battery health

Open Settings, then Battery, then Battery Health. Look at Maximum Capacity. That number compares what your battery holds today against what it held when new. iPhone 15 and later also show a cycle count in Settings, under General, then About.

Here is how to read it:

• 90% or higher. The battery is fine. If the phone still drains fast, look for an app using too much power under Settings, then Battery.
• 80% to 89%. It is normal wear. Replace it when you notice the phone can't get through your day.
• Under 80%. Apple treats this as a worn battery. You may also see a Service message on that screen.
• Peak performance message. If iOS says the phone shut down unexpectedly and it has applied performance management, your phone is slowing itself down to stay on. A new battery ends that.

A high number doesn't always clear the battery. An old iPhone at 85% can still shut off in the cold, and a Chicago January will show you that. Lithium batteries give less power at low temperature, and a worn one gives up first.

Battery or something else?

Not every drain is a tired battery, and it is worth ruling out the rest before you pay.

• Only drains during certain apps. It is the app or a software fault, not the battery.
• Drains fast after an iOS update. Give it a day or two. The phone re-indexes everything, and it settles down.
• Won't charge at all. That's more often the charging port or the cable.
• Gets hot while idle. It may be a board fault, and a new battery won't cure it.
• Dies at random with good health. That can be a failing charging circuit, so we check before swapping parts.

What it costs

The table on this page lists our battery price for each iPhone. An iPhone 11 is $89.99 and an iPhone 14 is $110, and our listed prices run up to $130. iPhone 15 and later read Call for price while we confirm parts. See all devices on our pricing page.

Compare with Apple's battery prices too. If your iPhone is under AppleCare with battery health below 80%, Apple replaces it at no charge, so check that first.

Battery or a new phone?

Do the math on what you get. A battery swap costs a small fraction of a new iPhone and buys you another year or two on a phone that already works, with your apps and photos untouched. For most people, that's the best-value repair in the shop.

The sums change in a few cases. If your phone no longer gets iOS updates, you will lose apps over time no matter how good the battery is. If it also has a cracked screen, add the two prices together before you decide. And if you were planning to trade it in this year, a new battery won't add much value.

What changes after an independent battery swap

iPhones check whether a battery went through Apple's calibration process. After we replace yours:

1. A notice appears. On iPhone XR, XS and later you will see it after the first unlock and again five days later.
2. Parts and Service History shows Unknown. You'll find it under Settings, General, About. It's a label, not a fault.
3. The health reading may disappear. Maximum Capacity may show as unavailable rather than 100%. The phone still reports charge level and charges normally.

We tell you exactly what to expect on your model before you say yes. If keeping the health reading matters to you, or you are selling the phone, Apple's own service is the better route. If what you want is a phone that lasts the day again, ours does that.

We take the old battery out carefully and recycle it, so don't throw a swollen one in the trash. Parts carry our 90-day warranty, and labor may apply. See every other iPhone repair we do. For iPhone battery replacement in Chicago with no appointment, just walk in. No time to wait? Drop it off and come back when you are done on Chicago Ave.

Want to replace your iPhone battery yourself? It is possible, but the adhesive strips tear easily and a bent cell is a fire risk. We wouldn't recommend it unless you have done it before.