Chamberlain · Garage remotes
Chamberlain KLIK3U battery
1 × 3V lithium coin cell
Chamberlain KLIK3U uses 1× CR2032. Confirm the printed model — do not assume every Clicker remote matches KLIK2U.
How to replace it
| How to open | Pry open the cover with the visor clip or a screwdriver as shown in the manual. Insert CR2032 positive side up (+). |
|---|---|
| Orientation | Match polarity markings |
| Low battery indicator | App or device low-battery cues where equipped |
| Notes | Chamberlain KLIK3U manual: replace ONLY with 3V CR2032 coin batteries. |
| Access | tool_assisted |
Important
- Chamberlain KLIK3U manual: replace ONLY with 3V CR2032 coin batteries.
- Do not confuse with KLIK2U (different hardware — confirm printed model).
Sources
Helpful for this device
Optional tools for opening, testing or charging — separate from the battery answer.
- Fluke 101 Digital Multimeter
Accurate open-circuit voltage and basic electrical checks
- Klein Tools MM400 Multimeter
General DC voltage checks including battery terminals
- Digital multimeter
Measure open-circuit voltage and general electronics checks
New battery but still not working?
A fresh 1 × CR2032 should restore Chamberlain KLIK3U if the battery was the problem. Work through the checks below before replacing the device.
- Check orientation
Confirm the cell is seated correctly: Match polarity markings
- Check the battery type
This device needs 1 × CR2032 (lithium). Rechargeable cells are not supported for this device. Same size does not always mean the same battery.
- Check known model-specific issues
Chamberlain KLIK3U manual: replace ONLY with 3V CR2032 coin batteries. Do not confuse with KLIK2U (different hardware — confirm printed model).
- Confirm the battery itself
For most coin cells, fitting a known-good fresh cell of the correct code is simpler than capacity testing.
- Still not responding?
If a correct, fresh battery installed properly does not restore the device, the fault may be elsewhere — the device may need service or replacement.
Need to replace the device?
Chamberlain KLIK3U is still sold new. Only buy another if a fresh battery and the checks above did not help.