Ring · Smart home sensors
Ring Alarm Panic Button (2nd Gen) battery
2 × 3V lithium coin cell
How to replace it
| How to open | Disarm Alarm. Twist lid counterclockwise until unlock mark. Use a small tool to remove both coin cells. Insert two new cells matching +/-. Twist cover clockwise until click. |
|---|---|
| Tools | Small tool to lift coin cells |
| Orientation | Match +/- symbols |
| Low battery indicator | Low battery warning in Ring app |
| Notes | Ring specifies CR2032A (CR2032-family). |
| Access | tool_assisted |
Important
- Generation: 2nd Gen uses 2× CR2032A — not the same as 1st Gen 1× CR123A.
- Keep coin cells away from children (ingestion hazard).
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 2 × CR2032 should restore Ring Alarm Panic Button (2nd Gen) if the battery was the problem. Work through the checks below before replacing the device.
- Check orientation
Confirm the cell is seated correctly: Match +/- symbols
- Check the battery type
This device needs 2 × CR2032 (lithium). Rechargeable cells are not supported for this device. Same size does not always mean the same battery.
- Check known model-specific issues
Generation: 2nd Gen uses 2× CR2032A — not the same as 1st Gen 1× CR123A. Keep coin cells away from children (ingestion hazard).
- 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.