Aviation headsets
David Clark H10-13X battery
1 × 9V alkaline
How to replace it
| How to open | Headset hard-wired to 9V battery module with auto shutoff. Replace 9V cell in the portable battery module. Headset can unplug from portable module for permanent panel-mount module use. |
|---|---|
| Notes | 9V module chemistry — not AA like DC ONE-X / Bose / Lightspeed battery ANR. Panel-mount module (40594G-01) is an alternate aircraft-power path. |
| Access | Tool-free |
Important
- Uses 9V battery module — do not assume 2× AA like modern ANR headsets.
- H10-13XP / permanent panel module versions are aircraft-powered alternatives.
Sources
Helpful for this device
Optional tools for opening, testing or charging — separate from the battery answer.
- Ansmann Energy Check LCD
Quick household cell check (good / low / replace)
- ZTS Mini-MBT Multi-Battery Tester
More informative state-of-charge style checks across common formats
- Battery tester
Quick good / low / dead check for household cells
New battery but still not working?
A fresh 1 × 9V should restore David Clark H10-13X if the battery was the problem. Work through the checks below before replacing the device.
- Check the battery type
This device needs 1 × 9V (alkaline). Rechargeable cells are only suitable when the manufacturer accepts that chemistry — set battery type in device settings if available. Same size does not always mean the same battery.
- Check known model-specific issues
Uses 9V battery module — do not assume 2× AA like modern ANR headsets. H10-13XP / permanent panel module versions are aircraft-powered alternatives.
- Confirm the battery itself
If you have a battery tester or multimeter, check the cell. A low open-circuit voltage often means replace; for rechargeable AA/AAA, a capacity test is more informative than voltage alone.
- 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.