It’s no secret that the music industry – and especially the space we inhabit, i.e., the guitar world – runs on AA and 9V batteries, whether it’s pedals, active pickups, wireless systems, battery-powered amps… or anything in between. In an effort to reduce disposable battery waste and make the industry more sustainable, Ernie Ball is rolling out a new line of USB-C rechargeable lithium-ion batteries, designed specifically for musical equipment. Available in AA and 9V formats, Ernie...