Samsung · Trackers
Samsung Galaxy SmartTag2 battery
1 × 3V lithium coin cell
How to replace it
| Compartment | Rear battery tray |
|---|---|
| How to open | Insert ejection pin (or small clip) into rear battery-tray hole; gently pull tray out; replace battery; reinsert tray securely |
| Orientation | Positive (+) terminal aligned with + symbol; positive facing up |
| Tools | Ejection pin or small clip |
| Notes | If SmartTag2 sounds immediately after insertion, battery may not be recognized — remove and reinsert with correct alignment. Do not insert tray upside down. |
| Access | Simple screwdriver |
Important
- Do not recharge CR2032
- Incorrect tray orientation can damage device
- Do not recharge CR2032.
- Incorrect tray orientation can damage the device.
Sources
Helpful for this device
Optional tools for opening, testing or charging — separate from the battery answer.
- iFixit Essential Electronics Toolkit
Opening compartments that need precision bits
- Fluke 101 Digital Multimeter
Accurate open-circuit voltage and basic electrical checks
- Digital multimeter
Measure open-circuit voltage and general electronics checks
New battery but still not working?
A fresh 1 × CR2032 should restore Samsung Galaxy SmartTag2 if the battery was the problem. Work through the checks below before replacing the device.
- Check orientation
Confirm the cell is seated correctly: Positive (+) terminal aligned with + symbol; positive facing up
- 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
Do not recharge CR2032 Incorrect tray orientation can damage device Do not recharge CR2032.
- 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.