1. Introduction
The Alloyman 20V Cordless Electric Spin Scrubber is designed to simplify your cleaning tasks with its powerful motor, dual-speed settings, and adjustable extension handle. This manual provides essential information for safe and effective operation, maintenance, and troubleshooting.
2. Safety Information
Please read all safety warnings and instructions carefully before using this product. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.
- General Safety: Keep the work area clean and well-lit. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Electrical Safety: Avoid body contact with earthed or grounded surfaces. Do not expose power tools to rain or wet conditions. Do not abuse the cord.
- Personal Safety: Always wear appropriate personal protective equipment, including eye protection, ear protection, and gloves, especially when using cleaning agents. Stay alert and use common sense when operating the scrubber.
- Battery Use and Care: Recharge only with the charger specified by the manufacturer. Do not use battery packs with any other power tools. Store battery packs away from metal objects that could make a connection from one terminal to another.
- Product Specific: Ensure the scrubber is turned off before making any adjustments, changing accessories, or storing. Do not immerse the main body of the scrubber in water beyond its waterproof rating.
3. Package Contents
Verify that all items listed below are included in your package. If any items are missing or damaged, please contact customer support.
- Electric Spin Scrubber (Main Unit) x1
- 20V Battery x2
- Fast Charger x1
- Replaceable Brush Heads x4 (Big Flat Brush, Small Flat Brush, Corner Brush, Dome Brush)
- Gloves x1 pair
- Hook x1 (for storage)

Figure 1: Overview of included components.
4. Setup
4.1 Charging the Battery
Before first use, fully charge both 20V batteries using the provided fast charger. The charging indicator on the battery will show its status.

Figure 2: Charging the 20V battery.
4.2 Assembling the Scrubber
- Attach Battery: Slide a fully charged 20V battery into the designated slot on the main scrubber unit until it clicks into place.
- Attach Handle: Connect the extension handle sections by aligning the connectors and twisting until secure. The handle is 3-stage adjustable (27.5/37.8/49 inches) to customize your reach.
- Attach Brush Head: Select the appropriate brush head for your cleaning task. Align the brush head with the rotating shaft on the scrubber unit and press firmly until it locks.

Figure 3: Assembling and adjusting the handle length.
Video 1: Demonstrates the assembly of the scrubber, including attaching the handle and brush heads, and adjusting the length.
5. Operating Instructions
5.1 Powering On/Off and Speed Adjustment
The scrubber features dual-speed settings for various cleaning needs:
- Low Speed (680 RPM): Ideal for daily cleaning and lighter stains.
- High Speed (1000 RPM): For deep cleaning and tackling stubborn stains.
To power on, select your desired speed using the switch on the handle. To power off, set the switch to the 'STOP' position.
Video 2: Shows the scrubber in action, demonstrating its dual-speed functionality and effectiveness on various surfaces.
5.2 Using Different Brush Heads
The scrubber comes with four replaceable brush heads, each designed for specific cleaning tasks:
- Big Flat Brush: Suitable for large flat surfaces like floors, tile walls, and carpets.
- Small Flat Brush: Ideal for smaller flat areas such as stoves and sinks.
- Corner Brush: Designed for cleaning corners, grout lines, and wheel hubs.
- Dome Brush: Best for curved surfaces like bathtubs, toilets, and sinks.

Figure 4: The four replaceable brush heads.
5.3 Adjustable 45° Angle
The scrubber head can be adjusted to a 45° angle, allowing you to easily clean hard-to-reach spaces and corners without straining.

Figure 5: Scrubber head adjusted to a 45° angle for versatile cleaning.
6. Maintenance
6.1 Cleaning the Scrubber
The scrubber features an IPX7 waterproof design, allowing for easy cleaning. After each use:
- Remove the brush head.
- Rinse the brush head and the scrubber unit under running water.
- Wipe the main unit dry with a clean cloth.
- Allow brush heads to air dry completely before storing.
6.2 Battery Care
- Always store batteries in a cool, dry place away from direct sunlight.
- Do not store batteries in a discharged state for extended periods.
- If the scrubber will not be used for a long time, remove the battery.
6.3 Storage
Use the provided hook to hang the scrubber for convenient storage, saving space and keeping your cleaning area tidy.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Scrubber does not turn on. | Battery is not charged or not properly inserted. | Ensure battery is fully charged and securely inserted. |
| Reduced cleaning power. | Battery charge is low or brush head is worn. | Recharge the battery. Replace the brush head if bristles are flattened or damaged. |
| Brush head detaches during use. | Brush head not securely attached. | Ensure brush head is firmly pressed onto the rotating shaft until it locks. |
| Scrubber stops unexpectedly. | Overload protection activated or battery depleted. | Reduce pressure on the cleaning surface. Recharge or replace the battery. |
8. Specifications
- Brand: Alloyman
- Model Number: LK-2D
- Power Supply: 20V Battery
- Speed Settings: Dual Speed (680 RPM / 1000 RPM)
- Handle Material: Plastic
- Product Dimensions: 17.5"L x 4.7"W x 10.4"H (compacted)
- Adjustable Handle Length: 27.5 / 37.8 / 49 inches
- Waterproof Rating: IPX7
- Brush Head Material: PA (Polyamide)
9. Warranty & Support
Alloyman provides a one-year warranty for this product. For any inquiries, technical assistance, or warranty claims, please contact Alloyman customer support. We offer 24-hour quick response to ensure your satisfaction.
For purchasing accessories, please search for B0CB7RKSTW.
Visit the official Alloyman Store for more products and information: Alloyman Store