Pedaltrain Volto 3 Rechargable Power Supply 9 VoltVolto 3 is better than ever with a more powerful battery, more sophisticated circuitry, more lifetime recharges, and huge gains in charge life up to 25% longer! A modern alternative to expensive, unreliable, and environmentally hazardous 9V batteries, Volto 3 is engineered for hundreds of lifetime recharges, replacing thousands of 9V batteries thats good for your wallet and the environment. With new Battery Health programming to protect against