Stanley V20 to AEG 18V Battery Adapter

Use your Stanley V20 batteries on AEG 18V cordless tools, without buying into a second battery platform. The 3D-printed ABS housing keeps the fit precise, and pure copper contacts keep current delivery steady. It is a cost-effective way to get more from the batteries you have, with no second charger to maintain.

Specifications

• Fits this battery Stanley V20 (Lithium-Ion)
• Battery voltage 20V
• Runs these tools AEG 18V (Lithium-Ion)
• Tool voltage 18V
• Housing ABS (3D)
• 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 108 g (3.8 oz / 0.24 lb)
• Colour Black
• 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 October 5, 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.

Stanley V20 and AEG 18V compatibility

It works in one direction only: Stanley batteries powering AEG tools. For the opposite pairing, see adapters that run on AEG 18V batteries.

Compatibility can vary with the exact battery and tool model. Before ordering, confirm that your battery belongs to the Stanley V20 platform and that your tool takes AEG 18V batteries.

Important charging and safety information

This adapter is for powering cordless tools and nothing else. It cannot charge Stanley or AEG 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 Stanley V20 battery.