20V to 18V Battery Adapter – Black+Decker/Stanley to Ryobi Tools

Power Your Ryobi 18V Tools with 20V Lithium Batteries

Upgrade your workshop versatility with this smart battery adapter, designed to let you use Black+Decker, Stanley, and Porter Cable 20V lithium batteries in your existing Ryobi 18V power tools. Stop buying duplicate batteries for different tool brands — this adapter bridges the gap, saving you money and keeping your workflow moving.

Made in Mainland China.

Key Features

• Universal Cross-Brand Compatibility: Works with most Black+Decker, Stanley, and Porter Cable 20V MAX lithium batteries, allowing them to power Ryobi 18V tools (BPS18RL format).
• Built-In USB Output Port: Features a USB charging port so you can top up your phone or USB-powered devices directly from the battery — perfect for the job site or workshop.
• Lithium-Ion Ready: Enjoy the extended runtime and lightweight advantages of lithium-ion batteries on your existing 18V Ryobi tool lineup.
• Correct Voltage Handling: Maximum initial voltage is 20V (no-load), with a nominal working voltage of 18V — safely matched to Ryobi 18V tool requirements.
• PCB Included: Internal circuit board (PCB) included for safe and stable power transfer.
• CE Certified: Meets CE certification standards for electrical safety.

Important Notes

• This adapter is NOT compatible with chargers — it cannot be used to charge your power tool batteries. Always use the original manufacturer charger for battery charging.
• Battery and charger are NOT included — adapter only (BPS18RL).
• USB cable is NOT included.
• Designed specifically for Ryobi 18V power tools.
• 20V MAX replacement batteries from DeWalt and 18V Li-Ion batteries from Milwaukee may also be compatible — check your specific battery connector type before use.

Package Contents

• 1x BPS18RL Battery Adapter (adapter only — no battery, no charger)

Specifications

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Frequently Asked Questions

Q: Which batteries are compatible with this 20V to 18V battery adapter?

A: This adapter is designed to work with most Black+Decker, Stanley, and Porter Cable 20V MAX lithium-ion batteries. Some DeWalt 20V MAX and Milwaukee 18V Li-Ion batteries may also be compatible — always confirm your battery's connector style matches the BPS18RL adapter before use.

Q: Can I use this adapter to charge my power tool batteries?

A: No. This adapter is NOT designed for battery charging and will not fit any power tool charger. To charge your power tool batteries, always use the original manufacturer-supplied charger. The USB port on the adapter can be used to charge phones and USB-powered devices using the connected tool battery as a power source.

Q: Does this adapter come with a battery or USB cable?

A: No. The package includes only the BPS18RL adapter. No battery, charger, or USB cable is included. You will need your own compatible 20V lithium battery and USB cable.

Q: Is this adapter safe to use with Ryobi 18V tools?

A: Yes. The adapter features a built-in PCB (printed circuit board) for stable power transfer and is CE certified. The nominal working voltage is 18V, matching Ryobi 18V tool specifications, with a maximum initial no-load voltage of 20V.

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.