Garage remotes
Genie G3T-R battery
1 × 3V lithium coin cell
Genie G3T-R uses 1× CR2032 coin cell. Open the case at the top slot, match polarity, snap closed.
How to replace it
| How to open | Open the remote case using a washer or coin that fits the slot at the top. Replace CR2032 matching polarity symbols. Align and snap case closed. |
|---|---|
| Tools | Coin or washer to open case slot |
| Orientation | Match battery polarity symbols inside housing |
| Notes | Programming not typically lost on battery change. Equivalent names: G3T-BX, G3T-A, 37330R. |
| Access | tool_assisted |
Important
- Identify by transmitter model (G3T-R / G3T-BX) — not by Genie opener model.
- Model aliases: G3T-BX, G3T-A, 37330R.
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 Genie G3T-R if the battery was the problem. Work through the checks below before replacing the device.
- Check orientation
Confirm the cell is seated correctly: Match battery polarity symbols inside housing
- 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
Identify by transmitter model (G3T-R / G3T-BX) — not by Genie opener model. Model aliases: G3T-BX, G3T-A, 37330R.
- 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.