DCF961 big guy: https://amzn.to/3Gva9PR 6Ah XR Battery: https://amzn.to/3Wgntyw Powerstacks are quite cheap https://amzn.to/43odkCD, https://amzn.to/3pL0Ki1 5Ah Powerstack: https://amzn.to/41Ka5nK DCF850 Driver: https://amzn.to/3WbqtMQ DCf901 Compact: https://amzn.to/42LQ9SI DCF923 (3/8" DCF921): https://amzn.to/3Ilx5Cm DCF891 Mid TQ: https://amzn.to/3BVPiDj DCF900 High TQ: https://amzn.to/3o3Nrcd Today we test every current DeWALT impact wrench and a few drivers to show all their dyno graphs, with various batteries, so you can make an informed decision buying a new model. ~We earn from qualifying affiliate links here ~ As always, the creator of this channel works in product development for Astro Tools. Always consider multiple sources when looking as a tool!