Battery helper
Let’s find your battery together
Three easy ways. Pick whichever suits you.
Tell us what it goes in
Tap the kind of thing.
Or type what’s on the old battery
Look on the flat side for letters and numbers, then type them into the search box at the top.
For example:Can’t read it? Measure it
Lay the battery on your screen and we’ll work out what it is.
Find your car key battery
Pick the make, then the model and year. About 3,500 car keys at launch.
What kind of battery is it?
Tap the one that looks like yours.
Flat silver coinNickel-sized or smaller. Car keys, AirTags, scales.Thick little buttonToys, thermometers, laser pointers.Tiny watch buttonSmaller than a pea. Watches.Tiny button with a coloured stickerHearing aids.Short skinny stickGarage remotes, car alarms.Chunky camera batteryCameras, alarms, flashlights.
Find it by room
Car & garage
Keys & bags
On your wrist
Health
Around the home
Desk & workshop
Same battery, different names
Shops use different names for the same battery. Any name in a row will fit.
| Battery | What it is | Also sold as (same battery) |
|---|---|---|
| CR2032 | Coin battery | DL2032ECR20325004LC6032KECR2032 |
| CR2025 | Coin battery | DL2025ECR20255003LC6025 |
| CR2016 | Coin battery | DL2016ECR20165000LC6016 |
| CR1632 | Coin battery | DL1632ECR16326632 |
| CR1220 | Coin battery | DL1220ECR12205012LC6220 |
| CR2450 | Coin battery | DL2450ECR24505029LC6450 |
| LR44 | Button battery | AG13A76PX76ALR1154L1154 |
| SR44 | Watch battery | 357303SR1154D357V357 |
| LR41 | Button battery | AG3192LR736GP192V3GA |
| LR1130 | Button battery | AG10189LR54V10GAL1131 |
| SR626SW | Watch battery | 377376AG4SR66D377 |
| Size 312 | Hearing aid battery | PR41312A312ZA312V312 |
| A23 | 12-volt remote battery | 8LR93223AMN21V23GALRV08 |
| CR123A | Camera & alarm battery | DL123AEL123AP123CR173455018LC |