Battery Adapter for Dyson Type B – Makita/Milwaukee/Bosch/DW 18V

Power Your Dyson Type B Vacuum with Your Existing 18V/20V Tool Battery

Stop buying extra batteries! This smart Li-ion battery adapter lets you run your Dyson Type B Series vacuum cleaner using the 18V or 20V lithium-ion battery packs you already own from Makita, DeWalt (DW), Milwaukee, or Bosch. Available in four model variants — MT31B, DW31B, MIL31B, and BOS31B — this adapter is a safe, reliable, and independently developed solution for flexible power-tool battery conversion.

Made in Mainland China.

Note: This adapter is NOT compatible with Dyson Type A vacuums. Adapter only — no battery or power tool included.

Compatible Dyson Type B Models

DC31, DC34, DC35, DC44, DC45, DC56, DC57 | Part Numbers: 917083-01, 202932-02, 965557-03 | Animal Handheld Vacuum Cleaner series

Choose Your Variant

• MT31B — For Makita 18V LXT Lithium-Ion Battery: BL1860, BL1850, BL1840, BL1830, BL1820, BL1815, LXT-400, 194205-3, 194204-5, and more.
• DW31B — For DeWalt XR 18V/20V Lithium-Ion Battery: DCB200, DCB201, DCB203, DCB204, DCB205, DCB206, DCB183, and more.
• MIL31B — For Milwaukee M18 Series 18V Lithium-Ion Battery: 48-11-1850, 48-11-1852, 48-11-1865, 48-11-1815, 48-11-1820, 48-11-1828, 48-11-1840, 48-59-1850, and more.
• BOS31B — For Bosch 18V Lithium-Ion Battery: BAT609, BAT618, BAT607, BAT610G, and more.

Key Features

• ✅ Built-in smart control system with PCB for safe, stable operation
• ✅ Over-Charging Protection
• ✅ Over-Current Protection
• ✅ Over-Voltage Protection
• ✅ Over-Heating Protection
• ✅ Short-Circuit Protection
• ✅ High-quality ABS plastic + metal construction — solid, durable, and lightweight
• ✅ Easy to attach and detach; portable and convenient to carry
• ✅ Color: Grey | Material: ABS Plastic + Metal

What's in the Box?

1 × Battery Adapter (your selected model) — Battery and power tools NOT included.

Note: Due to lighting conditions and display differences, the item color may vary slightly from photos. Measurement tolerance: ±1–3 cm.

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Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: Which Dyson vacuum models is this battery adapter compatible with?

A: This adapter is compatible with Dyson Type B Series vacuums only, including DC31, DC34, DC35, DC44, DC45, DC56, DC57, and models with part numbers 917083-01, 202932-02, and 965557-03. It is not compatible with Dyson Type A vacuums.

Q: Does the adapter come with a battery or vacuum cleaner?

A: No. The package includes only the adapter itself. Your existing 18V or 20V lithium-ion battery (Makita, DeWalt, Milwaukee, or Bosch) and the Dyson Type B vacuum are required separately.

Q: Is this adapter safe to use with my power tool battery?

A: Yes. The adapter features a built-in PCB smart control system with multiple safety protections including Over-Charging, Over-Current, Over-Voltage, Over-Heating, and Short-Circuit Protection, making it safe and reliable for everyday use.

Q: Which model should I choose for my DeWalt 20V MAX battery?

A: Select the DW31B model, which is designed for DeWalt XR 18V/20V lithium-ion batteries including DCB200, DCB201, DCB203, DCB204, DCB205, DCB206, and DCB183.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.