BS18MT Bosch 18V to Makita 18V Battery Adapter with USB

BS18MT Battery Converter Adapter – Use Bosch 18V Batteries with Makita 18V Tools

Tired of buying duplicate batteries for different tool brands? The ZWINCKY BS18MT Battery Adapter Converter lets you plug your existing Bosch 18V lithium batteries (BAT609, BAT610, BAT611, BAT612, BAT618, BAT618G, BAT619, BAT619G, BAT620, and more) directly into your Makita 18V power tools — no extra batteries required. Plus, a built-in USB output port lets you charge your devices on the go right from your Bosch battery.

Made in Mainland China.

Key Features

• Cross-Brand Compatibility: Base connects to Bosch 18V lithium batteries; top connects to Makita 18V tools compatible with BL1820/BL1830 battery slots.
• Built-in USB Adapter: Charge your smartphone or other USB-powered devices directly through your Bosch battery — a handy feature for job sites and workshops.
• Non-Slip Bayonet Design: Secure, tool-grade bayonet lock keeps the adapter firmly in place during use.
• Wide Bosch Battery Support: Works with BAT609, BAT610, BAT611, BAT612, BAT618, BAT618G, BAT619, BAT619G, BAT620, and compatible 18V models.
• Low-Voltage Safe: Output power under 18.65W; voltage range: below 75V DC / 50V AC — safely designed for cordless tool use.
• Certified: CE certified for quality and safety standards.
• Durable Construction: Heavy-duty black plastic housing built to handle workshop and job-site conditions.

Specifications

Important Notes

• This adapter is not compatible with battery chargers — do not attempt to charge your batteries using this adapter. Continue using your original Bosch charger to charge your batteries.
• Makita tools must be compatible with the BL1820 or BL1830 battery format.
• Battery and charger are NOT included — adapter only.

Package Contents

• 1 × BS18MT Battery Converter Adapter (adapter only; battery, charger, and tools not included)

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Frequently Asked Questions

Q: Which Bosch 18V batteries are compatible with the BS18MT adapter?

A: The BS18MT adapter is compatible with Bosch 18V lithium batteries including BAT609, BAT610, BAT611, BAT612, BAT618, BAT618G, BAT619, BAT619G, BAT620, and similar 18V Bosch lithium-ion models. Please verify your specific battery model before purchasing.

Q: Can I use the BS18MT adapter to charge my Bosch battery with a Makita charger?

A: No. The BS18MT adapter is designed solely for powering Makita 18V tools using Bosch 18V batteries. It cannot be used with any battery charger. Always use the original Bosch charger to recharge your Bosch batteries.

Q: Does the USB port on the BS18MT adapter work with any Bosch 18V battery?

A: Yes — the built-in USB output port is powered directly by the Bosch 18V lithium battery inserted into the adapter's base, allowing you to charge USB-compatible devices conveniently on the job site or in the workshop.

Q: Which Makita tools will work with this adapter?

A: The adapter is compatible with Makita 18V cordless power tools that use the BL1820 or BL1830 battery slot format. Ensure your Makita tool supports this battery type before use.

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.