1. Introduction
Thank you for choosing the Black & Decker ScumBuster SB400 Cordless Wet Scrubber. This device is engineered to provide powerful and efficient cleaning for various bathroom surfaces, including tubs, tiles, sinks, and grout lines. Its cordless design and submersible housing offer convenience and flexibility for your cleaning tasks. Please read this manual thoroughly before operating the unit to ensure safe and effective use.

Figure 1.1: Black & Decker ScumBuster SB400 Product Packaging
The image displays the front of the Black & Decker ScumBuster SB400 product box, featuring the main scrubber unit in teal, along with the wide area scrub pad, detail brush, and bristle brush attachments. The box highlights key features such as easy, effective power scrubbing, submersible design, and cordless operation with rechargeable VersaPak batteries.
2. Safety Information
Always observe basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and personal injury.
- Water Safety: The ScumBuster unit itself features submersible housing. However, the battery charger and batteries are NOT submersible. Do not immerse the charger or batteries in water.
- Battery Use: Use only Black & Decker VersaPak batteries and charger with this unit. Do not attempt to charge non-rechargeable batteries.
- Charging: Charge batteries indoors in a dry area. Do not charge batteries in damp or wet conditions.
- Attachments: Ensure attachments are securely fastened before operation.
- Cleaning Agents: Use cleaning agents according to their manufacturer's instructions. Avoid using abrasive or corrosive cleaners that may damage the unit or surfaces.
- Storage: Store the unit and accessories in a dry place, out of reach of children.
3. Package Contents
Verify that all items listed below are included in your package:
- Black & Decker ScumBuster SB400 Unit
- Wide Area Scrub Pad
- Detail Brush
- Bristle Brush
- VersaPak Battery Charger
- VersaPak Battery (typically one included)

Figure 3.1: ScumBuster SB400 Unboxed Components
This image shows the Black & Decker ScumBuster SB400 unit, its three cleaning attachments (wide scrub pad, detail brush, bristle brush), the VersaPak battery charger, and two VersaPak batteries, all neatly arranged within the product's plastic tray packaging.

Figure 3.2: ScumBuster SB400 Components with Manual
The image displays the Black & Decker ScumBuster SB400 unit and its accessories, including the scrubber, various brush heads, the battery charger, and two VersaPak batteries, alongside the folded instruction manual, all presented within the product's packaging tray.
4. Setup
4.1 Charging the Battery
- Insert the VersaPak battery into the VersaPak battery charger.
- Plug the charger into a standard electrical outlet.
- Allow the battery to charge fully before first use. Refer to the charger's indicator light for charging status.
4.2 Inserting the Battery
- Ensure the ScumBuster unit is turned off.
- Locate the battery compartment on the unit.
- Insert the charged VersaPak battery into the compartment until it clicks into place.
4.3 Attaching Accessories
- Select the desired cleaning attachment (wide area scrub pad, detail brush, or bristle brush).
- Align the attachment with the rotating head of the ScumBuster unit.
- Press firmly and twist slightly until the attachment is securely locked onto the unit.

Figure 4.1: ScumBuster SB400 with Attachments
This image shows the Black & Decker ScumBuster SB400 unit positioned next to its three primary attachments: a wide area scrub pad, a detail brush, and a bristle brush, illustrating the versatility of the cleaning system.
5. Operating Instructions
5.1 Powering On/Off
To turn the ScumBuster on, press the power button located on the handle. Press the button again to turn the unit off.
5.2 General Cleaning
- Apply a suitable cleaning solution to the surface to be cleaned, or directly to the attachment.
- Hold the ScumBuster firmly and gently press the rotating attachment against the surface.
- Move the unit slowly over the area, allowing the rotating action to scrub away dirt, soap scum, and lime scale.
- The unit's submersible housing allows for use in wet environments, such as inside a bathtub or sink.
5.3 Using Specific Attachments
- Wide Area Scrub Pad: Ideal for large flat surfaces like bathtubs, shower walls, and large tile areas.
- Detail Brush: Designed for fixtures, faucets, and tight, hard-to-reach areas.
- Bristle Brush: Excellent for cleaning grout lines and textured surfaces.

Figure 5.1: ScumBuster SB400 In Use
The image shows the Black & Decker ScumBuster SB400 in operation, with its brush attachment actively scrubbing the interior of a purple bucket, demonstrating its wet cleaning capability.
6. Maintenance
6.1 Cleaning the Unit and Attachments
- After each use, remove the attachment and rinse it thoroughly under running water to remove any cleaning solution residue or debris.
- Wipe down the ScumBuster unit with a damp cloth. Do not use harsh chemicals or abrasive cleaners on the unit.
- Ensure the unit and attachments are completely dry before storing.
6.2 Battery Care and Storage
- Always fully charge batteries before storing for extended periods.
- Store batteries and the charger in a cool, dry place, away from direct sunlight and extreme temperatures.
- If the unit will not be used for a long time, remove the battery from the unit.

Figure 6.1: VersaPak Battery System Overview
This image shows the side panel of the Black & Decker ScumBuster SB400 product box, detailing the VersaPak Battery System. It explains that the ScumBuster is part of a family of appliances powered by VersaPak batteries, which are rechargeable and interchangeable, allowing users to store the unit and charger separately and extend runtime by switching batteries.
7. Troubleshooting
If you encounter issues with your ScumBuster SB400, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on or lacks power. | Battery is not charged or is depleted. | Ensure the VersaPak battery is fully charged. Replace with a charged battery if available. |
| Charger not working. | Charger not properly plugged in or faulty. | Check the charger's connection to the outlet and the battery. Try a different outlet. If issues persist, the charger may need replacement. |
| Attachments do not spin or spin weakly. | Battery low or attachment not properly secured. | Charge the battery. Re-attach the cleaning head, ensuring it clicks into place. |
| Reduced cleaning performance. | Worn out attachment or insufficient cleaning solution. | Replace worn attachments. Ensure adequate cleaning solution is applied. |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | BLACK+DECKER |
| Model Number | SB400 |
| Color | Black |
| Handle Material | Plastic |
| Material | Plastic |
| Special Feature | Cordless |
| Shape | Round |
| Surface Recommendation | Floor (also suitable for tubs, tiles, sinks) |
| Item Firmness Description | Hard |
| Item Weight | 3.4 Pounds |
| UPC | 050875506510 |
| Unit Count | 1.0 Count |
| Package Dimensions | 15 x 11.3 x 3.2 inches |
| Batteries | 1 Lithium Ion battery required (VersaPak system) |
| Manufacturer | Black & Decker |
| Import | Made in USA |
9. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your product or visit the official BLACK+DECKER website. You can also visit the BLACK+DECKER Store on Amazon for more product information and support resources.





