Ajax MotionProtect Curtain: original replacement battery
The right battery for your MotionProtect Curtain. The same CR123A type that Ajax supplies pre-installed, so you keep the stated battery life and reliability.
Fit it again in a few minutes: open the battery cover, remove the old cell, insert the new one, close the cover. The Hub and the Ajax app themselves report well in advance that the battery is almost empty.
Technical specifications
| Battery | |
| Type | CR123A |
| Quantity | 1 piece |
| For device | Ajax MotionProtect Curtain |
| Service life (manufacturer's specification) | up to 3 years |
| Pre-installed type | Yes, original Ajax type |
How to replace the battery
Step by step according to the Ajax manual:
- Remove the detector from the SmartBracket mounting plate.
- Switch off the device.
- Undo the 3 screws and remove the back panel of the detector.
- Replace the battery with a new CR123A and observe the polarity.
- Refit the back cover and tighten the screws.
- Switch the device on and check the battery status in the Ajax app. The status does not update immediately, but after the next ping (every 36 seconds by default).
Would you like the manufacturer’s original instructions with photos? View the Ajax manual.
Frequently asked questions
Is this the same battery as the pre-installed one?
Yes. Ajax supplies the Ajax MotionProtect Curtain with a CR123A battery pre-installed. With the same type you keep the battery life stated by the manufacturer (up to 3 years).
When should I replace them?
Your Ajax app and Hub give a low battery warning well in advance. Then replace the cell with this exact type. The manufacturer's specification is up to 3 years, depending on use and settings.
How many are in this pack?
1 piece CR123A, exactly enough for one MotionProtect Curtain.
Isabelle L. (verified owner) –
They last a long time.