Makita 18V to SKIL 20V Battery Adapter

Use your Makita 18V LXT batteries on SKIL 20V PWR CORE cordless tools, without buying into a second battery platform. Constructed from durable molded ABS with pure copper contacts, for a secure fit and dependable current transfer. A practical way to extend the value of the Makita 18V LXT batteries you already have.

Specifications

• SKU PTA-MAK18-SKI20
• Fits this battery Makita 18V LXT (Lithium-Ion)
• Battery voltage 18V
• Runs these tools SKIL 20V PWR CORE (Lithium-Ion)
• Tool voltage 20V
• Housing ABS (Injected)
• 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 98 g (3.5 oz / 0.22 lb)
• Dimensions (L × W × H) How It's Measured 110 × 70 × 46 mm (4.33 × 2.76 × 1.81 in)
• 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 June 10, 2026)

Why choose this adapter

• Injection-moulded ABS, not 3D printed — no layer lines to split under load.
• 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.

Makita 18V LXT and SKIL 20V PWR CORE compatibility

It works in one direction only: Makita batteries powering SKIL tools. For the opposite pairing, see adapters that run on SKIL 20V PWR CORE batteries.

Compatibility can vary with the exact battery and tool model. Before ordering, confirm that your battery belongs to the Makita 18V LXT platform and that your tool takes SKIL 20V PWR CORE batteries.

Important charging and safety information

This adapter is for powering cordless tools and nothing else. It cannot charge Makita or SKIL 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 Makita 18V LXT battery.