Black & Decker FWAR Freewire Appliance Receiver

okay youtubers so what I have here is a 18 volt single source Black & Decker battery this is used for a rechargeable pole saw that I got probably about five six years ago and I went to the store because this one's dead and was surprised to see that they wanted $49 for battery I found one for 39 at one of those big box stores and I think you can get it for like 37 online or something if we really look but to me that was insane so I've heard about this hack and I'm going to try it and what it is is I went to Harbor Freight and got there drillmaster 18 volt NiCad battery which was part title number 68 413 okay and this has a little less milliamp hours than this battery they did sell a little better one um for a few dollars more I think this was like 11 bucks and then I had a coupon to get 20% off so it's like 10 dollars roughly compared to 39 and so what you're gonna have to do is you're g