Attempting to use Dewalt battery on Shark vacuum. All I did was snip hot and ground from the batteries. Vacuum light blinks at me when trying to turn on. Do I need
Tools Set For Dewalt 18v 20v Battery Replacement Plastic Case 3.0ah 4.0ah Dcb201,dcb203,dcb204,dcb200 Li-ion Battery Cover Parts - Rechargeable Batteries - AliExpress