Power your FlowZone® Typhoon and Cyclone sprayers with batteries from third-party tool manufacturers Milwaukee®, DeWalt®! Simply slide your existing batteries into the battery adapter (FZAAPC) and place on your sprayer for alternative power options. This FlowZone adapter also features an integrated USB port for charging small devices on the go! Each kit includes a taller replacement battery cover (for larger capacity batteries) and a battery adapter to get the job done.