WM25BR is designed for compact indoor shading applications where rechargeable battery operation is preferred. 1.1Nm torque, 28rpm speed, Type-C charging and optional solar panel charging.




Quick Decision Table
Best For
- Indoor roller blinds
- Small residential shades
- Battery-powered shading systems
- Projects where AC wiring is difficult
- OEM blind systems requiring compact 25mm motor
- Smart shading projects when matched with compatible controller
Not Recommended For
- Heavy roller shutters
- Outdoor shutters exposed to heavy load
- Large awnings
- Garage doors
- Fire shutter or safety-critical systems
- Applications requiring high torque beyond the selected version
Why Choose WM25BR?
25mm rechargeable battery motor for indoor roller blinds, small shades and residential shading systems where AC wiring is difficult.
Model positioning
| Model | Decision note |
|---|---|
| WM25BR | Rechargeable 25mm battery motor |
| WM25BZ | Smart or Zigbee version |
| WM25AW | AC-powered 25mm version |
| WM35DS | Stronger DC motor for larger systems |
| WM45DS | Larger DC motor for higher torque applications |
Buyer outcome
This page reorganizes the original product information into a procurement decision flow: application fit, technical data, installation checks, accessory compatibility and RFQ information.
Use the technical table as a first filter, then confirm torque, tube system, control method and certification coverage with Walter Motor before order confirmation.
Key Specifications
Technical Data Table
| Parameter | Specification |
|---|---|
| Model | WM25BR |
| Product Type | Rechargeable Roller Shade Motor |
| Category | 25mm Battery Powered Tubular Motor |
| Battery Capacity | 2600mAh |
| Battery Configuration | 3S Lithium, 12.6V |
| Tube Diameter | 25mm |
| Motor Length | 450mm |
| Rated Torque | 1.1 Nm |
| Speed | 28 rpm |
| Rated Current | 1A |
| Standby Current | ≤ 100 µA |
| RF Frequency | 433.92 MHz |
| Limit Type | Electronic Limit Switch |
| Charging Interface | USB Type-C |
| Charging Input | 5V DC / 1A |
| PD Fast Charging (Optional) | Max. 12V DC / 1A |
| Charging Time | < 2 hours (PD); < 8 hours (5V DC / 1A) |
Dimension and Installation Information
Original data lists 25mm tube diameter and 450mm motor length. Confirm tube inner diameter, crown fit, charging access and antenna position before order. Solar charging depends on panel specification, battery condition, operation frequency and available sunlight.

Tube, Crown, Drive Wheel and Bracket Compatibility
| Item | Compatibility check |
|---|---|
| Tube | Confirm tube diameter, inner shape and wall thickness before sample order. |
| Crown | Match crown profile to tube shape. Do not assume one crown fits all tubes. |
| Drive wheel | Confirm torque transmission, drive wheel profile and tube insertion depth. |
| Bracket | Check head style, fixing holes, load direction and manual crank access when applicable. |
| Accessories | Request a tube and bracket compatibility sheet for OEM projects. |
Related guide: tube, crown, drive wheel and bracket compatibility.
Battery, Charging and Solar Panel Option
WM25BR uses a rechargeable battery system for indoor roller blinds where AC wiring is not convenient. The original page confirms USB Type-C charging and a dedicated solar panel option. Battery performance depends on blind size, fabric weight, operating frequency and charging conditions.
For control and limit selection, compare the project requirement with the limit systems guide and request wiring or programming instructions before bulk order.
Recommended Applications and Selection Notes
Indoor roller blinds
Confirm load, tube, accessory and control configuration before order.
Small shades and mini blind systems
Confirm load, tube, accessory and control configuration before order.
Residential shading where AC wiring is not preferred
Confirm load, tube, accessory and control configuration before order.
OEM blind systems requiring battery motor supply
Confirm load, tube, accessory and control configuration before order.
Torque, Power and System Selection Guidance
Correct selection depends on curtain size, fabric or shutter weight, tube diameter, friction, wind exposure, duty cycle and the required safety margin. If torque is uncertain, use the torque calculation guide and ask Walter Motor to check the model before sample order.
OEM / ODM Options
Electrical configuration
Voltage, frequency, cable length, plug and wiring requirement should be confirmed by market and order quantity.
Branding and packaging
OEM label, carton, manual, accessory kit and packing method can be discussed by project requirement.
Accessory matching
Crowns, drive wheels, brackets, transmitters, crank parts or charging accessories can be matched by exact system.
Quality Control for This Series
Walter Motor production control can include incoming material checks, assembly process inspection, final performance inspection and aging test according to model and order requirement. For factory process details, see Walter Motor production process.
Certifications and Compliance
Walter Motor can provide certification documents according to model and destination market requirements. Commonly requested documents include CE, LVD, EMC, RoHS and related test reports. Certificate coverage should be confirmed by exact model, voltage, control system and market before order confirmation.
For receiver, remote-control or smart-control models, radio compliance requirements should be confirmed by destination market.
Related page: certificates.
Buying Guides for WM25BR Roller Shade Projects
Use these procurement guides when WM25BR is being considered for battery, solar or smart indoor roller shade programs.
| Buying guide | Why it matters for WM25BR |
|---|---|
| Battery, solar or wired power options | Review charging access, optional solar charging, daily cycles and retrofit expectations. |
| 25mm vs 35mm vs 45mm motor selection | Confirm when a compact 25mm motor is enough and when a larger diameter should be reviewed. |
| Tube, bracket and accessory compatibility | Check tube ID, crown, drive wheel, bracket, charging port access and minimum width. |
| RF, WiFi, Zigbee, Z-Wave or Matter control guide | Plan RF remote control, bridge strategy and smart-home expectations before samples. |
Related Products
FAQ
What applications is WM25BR suitable for?
It is suitable for indoor roller blinds, small shades and compact battery-powered shading systems.
Is WM25BR a rechargeable battery motor?
Yes. The original page identifies a 2600mAh rechargeable battery system.
Can WM25BR be charged by solar panel?
The original page shows a dedicated USB Type-C solar panel option. Confirm panel and installation requirements before order.
Is WM25BR suitable for roller shutters?
No. It is intended for small indoor roller blinds and shades, not heavy shutter systems.
How do I choose the correct motor for indoor blinds?
Provide tube size, blind width, drop height, fabric weight and operating cycle. Walter Motor can confirm if 1.1Nm is enough.
Can WM25BR support remote control?
The original page lists 433.92 MHz RF frequency. Confirm transmitter and controller package by order configuration.
What information is needed for OEM blind projects?
Tube drawing, blind size, charging method, control method, label, packaging and target quantity are needed.
Can Walter Motor provide private label and packaging?
Yes. Private label, packaging and accessory kits can be configured for OEM projects.
RFQ Checklist
To recommend the correct motor and configuration, please provide:
- application
- curtain / blind / shutter size
- curtain or fabric weight
- tube type and diameter
- required torque or current motor model
- voltage and frequency
- control method
- cable length and plug
- accessory requirement
- target quantity
- destination market and certification requirement
- tube inner diameter
- battery requirement
- charging method
- daily operation cycles
- solar panel requirement if any
Need help confirming WM25BR compatibility?
Send your tube drawing, application, size, weight, control requirement and target quantity. Walter Motor can help check torque, tube compatibility, control method, accessories and OEM configuration before sample or batch order.

