DM18RL 20V to 18V Battery Adapter with USB Port for RYOBI

DM18RL Battery Conversion Adapter – Use 20V Batteries on 18V RYOBI Tools

Unlock greater versatility from your power tool battery collection with the DM18RL Battery Conversion Adapter. Designed to convert 20V MAX lithium-ion batteries (compatible with DeWALT and Milwaukee M18 platforms) for use with RYOBI 18V power tools, this compact adapter helps you get more out of the batteries you already own — no extra charger needed.

As a bonus, the built-in USB port lets you charge smartphones and other USB-powered devices directly from your battery, making it a handy companion on the jobsite or in the workshop.

Made in Mainland China.

Key Features

• 20V to 18V Conversion: Maximum initial voltage of 20V (no-load); nominal operating voltage of 18V — perfect for RYOBI 18V tool compatibility.
• Broad Battery Compatibility: Works with most DeWALT 20V MAX and Milwaukee M18 lithium-ion battery packs.
• Built-In USB Charging Port: Charge your phone or USB devices on the go directly from your power tool battery (USB cable not included).
• PCB Protection Included: Onboard PCB circuitry helps protect your battery and tools during use.
• Durable Plastic Construction: Lightweight, rugged black plastic housing built to withstand workshop conditions.
• CE Certified: Meets CE safety certification standards.
• Low Voltage Range: Operates within safe low-voltage parameters (below 75V DC / below 50V AC).
• No Battery Included: Works with your existing compatible 20V MAX battery packs.

Specifications

• Model: DM18RL
• Color: Black
• Material: Plastic
• Voltage: 20V MAX (18V nominal)
• USB Port: Yes (cable not included)
• PCB Included: Yes
• Certification: CE
• Battery Included: No
• Charger Included: No

What's in the Box

• 1 × DM18RL Battery Conversion Adapter (battery not included)

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Frequently Asked Questions

Q: What power tool batteries are compatible with the DM18RL adapter?

A: The DM18RL battery conversion adapter is compatible with most DeWALT 20V MAX and Milwaukee M18 lithium-ion battery packs. It allows these 20V batteries to power RYOBI 18V power tools. Battery packs are not included — you must use your own compatible battery.

Q: Does the DM18RL adapter come with a USB cable?

A: No, the USB cable is not included. The adapter features a built-in USB port that you can use with your own standard USB cable to charge smartphones and other USB-powered devices directly from your attached battery pack.

Q: Do I need a special charger to use this adapter?

A: No special charger is required. To recharge your battery, simply remove it from the adapter and use your original battery charger for your DeWALT or Milwaukee battery pack, as you normally would.

Q: Is the DM18RL adapter safe to use with my tools?

A: Yes. The adapter includes onboard PCB (printed circuit board) protection circuitry, and the product is CE certified. It operates within low-voltage safety parameters (below 75V DC / below 50V AC). Always ensure your specific battery and tool are compatible 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.