Home / Hilti / Flex

Use Hilti 22V Battery on Flex Grinder

Hilti → Flex
Industrial guide for Hilti power compatibility.
Technical Specifications
ConversionHilti 22V → Flex Grinder
Voltage22V DC
Amp Limit20A Continuous
ProtectionOvercurrent, Thermal Fuse (>80°C)
PERFORMANCE LAB
BATTERY CAPACITY
TOOL LOAD350W
50W600W1200W
ESTIMATED RUNTIME
--
-- Wh Usable
Check Price on Amazon
Reverse Adapter
Flex 24v To Hilti Blower 225 Adapter
Related Adapters
Hilti 22v To Black+Decker Blower 18 Adapter Hilti 22v To Black+Decker Blower 519 Adapter Hilti 22v To Black+Decker Blower 561 Adapter
Frequently Asked Questions
Can I use Hilti 22V batteries on Flex tools with this adapter?
Yes. This adapter enables Hilti 22V batteries to power Flex Grinder tools. It supports up to 20A continuous draw.
What is the maximum power this adapter can handle?
This adapter is rated for 20A continuous at 22V, which equals approximately 440W. 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 Flex circular saws draw 6-10A. This adapter supports 20A 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.