Taking a first look at this HERCULES 20V Lithium-Ion Brushless Cordless 2-Stage Vacuum Pump - Tool Only 59438 that was ignored at the 2023 SEMA Show. I think this is a good entry into the HVAC/R side of things for Hercules. A listing of approved refrigerants would be nice, specifically A2L.

Links
Black Gold https://amzn.to/3QJv8UB

HERCULES 20V Lithium-Ion Brushless Cordless 2-Stage Vacuum Pump - Tool Only 59438

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