Ryobi 18V to Masterforce 20V Battery Adapter
$41.13
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Ryobi 18V to Masterforce 20V Battery Adapter
$41.13
Use your Ryobi 18V ONE+ batteries on Masterforce 20V cordless tools, without buying into a second battery platform. The battery side is injection-molded ABS and the tool interface is high-precision 3D-printed ABS for an accurate fit, with pure copper contacts carrying the current. Your existing batteries do more work, and there is no second ecosystem to buy into.
Specifications
- SKU PTA-RYO18-MAS20
- Fits this battery Ryobi 18V ONE+ (Lithium-Ion)
- Battery voltage 18V
- Runs these tools Masterforce 20V (Lithium-Ion) from Menards
- Tool voltage 20V
- Housing ABS
- Terminals Copper
- Current rating 40A continuous (80A peak at 18VDC for up to 2 seconds)720 Watt continuous at 18V nominal
- Internal wiring 5 mm²
- Weight 153 g (5.4 oz / 0.34 lb)
- Colour Black, Green
- Operating humidity 5–95% RH
- Operating temperature -10 °C to 50 °C (14 °F to 122 °F)
- USB port No
- What's in the box Battery adapter
- Warranty 12 months after the date of delivery
- Revision Revision 01 (released on June 19, 2025)
Why choose this adapter
- Solid copper terminals, so less of the current is lost as heat.
- 5 mm² internal wiring, rated for 40A continuous with 80A peak at 18VDC for up to 2 seconds, so a high-draw tool is not held back by the adapter.
- Covered by a 12-month warranty from the day it arrives.
Ryobi 18V ONE+ and Masterforce 20V compatibility
It works in one direction only: Ryobi batteries powering Masterforce tools. For the opposite pairing, see adapters that run on Masterforce 20V batteries.
Compatibility can vary with the exact battery and tool model. Before ordering, confirm that your battery belongs to the Ryobi 18V ONE+ platform and that your tool takes Masterforce 20V batteries.
Important charging and safety information
This adapter is for powering cordless tools and nothing else. It cannot charge Ryobi or Masterforce batteries and must never be connected to a charger of any kind. Always take the battery out of the adapter before charging, and charge it on the original charger made for your Ryobi 18V ONE+ battery.