"New" batteries for this model are often old stock that may have degraded even while unused.
Check small electronics repair kiosks in local malls.
National or local battery specialty stores often carry "compatible" versions for older models. ⚠️ Critical Purchase Considerations
Report: Purchasing iPhone 4 Battery Locally (April 2026) Finding a replacement battery for the iPhone 4 in 2026 is a challenge due to the device's age. Most authorized centers no longer stock parts for this "obsolete" model. However, options still exist through specialized local shops and DIY kits. 📍 Local Availability & Where to Look
To safely pry the battery connector and the battery itself. Estimated Costs & Success Part Only: Typically ranges from $11.99 to $16.99 .
A successful swap can restore the phone's ability to hold a charge for basic tasks like music or nostalgia, sometimes lasting up to 2 days on standby. How To: Replace the iPhone 4's Battery in 2 Minutes
Local shops may charge a small service fee, but some may refuse the job due to the risk of damaging aged internal ribbons.