Guides

Can you use a rechargeable battery in an AirTag?
An AirTag takes a CR2032 coin cell, and a rechargeable LIR2032 is the same size. But it's not the battery Apple specifies, and there are real differences you should understand before you swap. Here's the honest picture. Read more...
How to get more life out of your rechargeable coin cells
Rechargeable coin cells hold less energy per charge than disposables, so a few settings and habits make a real difference. Here's what actually extends the time between charges — including one tracker setting most people never touch. Read more...
How to recharge a coin cell battery
A step-by-step guide to charging LIR2032 rechargeable coin cells safely — what you need, how to seat the cell correctly, the safety rules that matter, and how to store and recycle cells properly. Read more...
CR2032 vs LIR2032 — what's the difference?
CR2032 and LIR2032 coin cells look identical, but they are not the same battery. Here's how they differ in voltage, capacity and rechargeability — and how to tell whether your device suits one or the other. Read more...