The Hawink® P199 Wireless Battery pack for tattoo machines is the most light-weight but powerful battery pack for tattoo guns and tattoo pens. which is a revolutionary change in tattoo work. It is very light and weighs only 50 grams and will not affect any operation. Dynamic power path management USB-C lithium-ion battery provides high energy density to provide high reliability and stability. Supports 5 different voltage outputs, the operation is very stable.