Craftsman 20V to Chicago Electric 18V Battery Adapter
$42.38
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Craftsman 20V to Chicago Electric 18V Battery Adapter
$42.38
Use your Craftsman 20V batteries on Chicago Electric 18V cordless tools, without buying into a second battery platform. Injection-molded ABS on the battery side, precision 3D-printed ABS on the tool side, and pure copper contacts for steady current delivery. One battery platform across more tools means less spent on batteries and less to keep charged.
Specifications
- SKU PTA-CRA20-CHI18
- Fits this battery Craftsman 20V (Lithium-Ion)
- Battery voltage 20V
- Runs these tools Chicago Electric 18V (Lithium-Ion) from Harbor Freight
- Tool voltage 18V
- 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 131 g (4.6 oz / 0.29 lb)
- Colour Black, Red
- 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 August 17, 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.
Craftsman 20V and Chicago Electric 18V compatibility
It works in one direction only: Craftsman batteries powering Chicago Electric tools. For the opposite pairing, see adapters that run on Chicago Electric 18V batteries.
Compatibility can vary with the exact battery and tool model. Before ordering, confirm that your battery belongs to the Craftsman 20V platform and that your tool takes Chicago Electric 18V batteries.
Important charging and safety information
This adapter is for powering cordless tools and nothing else. It cannot charge Craftsman or Chicago Electric 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 Craftsman 20V battery.