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Black+Decker to DeWalt Battery Converter Guide

Black+Decker DeWalt
Convert Black+Decker 20V MAX lithium-ion batteries to work with the DeWalt 20V MAX system. Save money by not buying new DeWalt batteries.
Technical Specifications
ConversionBlack+Decker 20V MAX → DeWalt 20V MAX
Voltage20V DC
Amp Limit15A Continuous
ProtectionOvercurrent, Thermal Fuse (>80°C)
PERFORMANCE LAB
BATTERY CAPACITY
TOOL LOAD350W
50W600W1200W
ESTIMATED RUNTIME
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-- Wh Usable
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Frequently Asked Questions
Can I use Black+Decker 20V batteries on DeWalt tools with this adapter?
Yes. This adapter enables Black+Decker 20V MAX batteries to power DeWalt 20V MAX tools. It supports up to 15A continuous draw.
What is the maximum power this adapter can handle?
This adapter is rated for 15A continuous at 20V, which equals approximately 300W. It includes overcurrent protection and a thermal fuse that triggers above 80°C.
Is this adapter safe for high-drain tools like circular saws or grinders?
It depends on the tool's amp draw. Most DeWalt circular saws draw 6-10A. This adapter supports 15A continuous, so verify your tool's specifications before use.
Safety Disclaimer Verify voltage matching before use. Never use a high-voltage battery on a low-voltage tool (e.g. 20V battery on 12V tool) even if it physically fits. Disconnect adapter immediately if tool overheats. Not responsible for misuse.