Updated: 07.11.2026
In brief: A battery roller blind motor sits in the blind’s roller tube and needs no electrical installation. It is charged via USB-C or a small solar panel. It is suitable for interior roller blinds, day-and-night blinds and insect screen blinds.
Example: A-OK AM25
| Feature | Value |
|---|---|
| Torque | 1 Nm or 1.8 Nm, 25 rpm |
| Battery | 2600 mAh (1 Nm) or 3000 mAh (1.8 Nm), lithium-ion |
| Charging | 5 V via USB-C, solar panel possible |
| Radio | 433 MHz, optional Bluetooth, Zigbee or Matter |
| Diameter | 25 mm |
| Price | from €99 net |
Details: A-OK AM25 battery roller blind motor.
How long does the battery last?
That depends on blind size, weight and runs per day. The motor warns when the battery is low. With a solar panel at the window it recharges regularly.
Which blinds?
- Interior and blackout roller blinds
- Day-and-night blinds (zebra)
- Insect screen blinds, see Motorising an insect screen blind
Frequently asked questions
Do I need an electrician?
No, the battery motor needs no electrical installation.
Can I save favourite positions?
Yes, the AM25 stores upper and lower end positions plus 4 favourite positions.
All guides on roller shutter, awning and external venetian blind motors: Sun protection guide.
Advice on the right motor
Send us the shaft diameter, curtain size and material – we will name the right A-OK motor. Phone 040 50694631 (Mon–Fri 8 am–5 pm) or via the Contact form. All motors at a glance: Sun protection motors.
Technically reviewed by Dietmar Heiken, Sales, Vent Systems HDI GmbH, Hamburg – around 20 years of industry experience. Questions? Phone +49 40 50694631 or info@ventsystems.de
Last updated: 07.11.2026
