just trying to loosen my 1 7/8 NUTT with my MILWAUKEE M18 fuel GEN 3 2967-20 6 AMP FORGE BATTERY then I will in APROX in 2 weeks and try and loosen it with my DEWALT XR DCF 891 with a 5 AMP POWER STACK can't run the FORGE BATTERY or the FLEX STACKED LITHIUM the XR DCF 891 has 5 LEADS and the ADAPTER has only 4