Don’t let a dead battery in your pedalboard ruin your next performance. Rely on the consistent, battery-free direct power of a D’Addario Accessories (formerly Planet Waves) AC-DC 9-Volt Power Adapter. The tip-negative, sleeve-positive power supply can deliver 500mA to fuel even your most power-hungry devices. The 9V adapter will minimize or eliminate the need to change batteries and give you confidence that your pedalboard is ready to go every time.The 72” cord length adapter converts AC wall power to 9-Volt DC for powering most instrument pedals, including the Planet Waves Chromatic Pedal Tuner, and other 9-volt battery electronic devices. The D'Addario adapter can also be used to power tip-negative keyboards. Its input is 100-240VAC, output is 9VDC, 500mA; barrel size 2.1mm; and available in NEMA, F plug and G plug types.For over 20 years, D’Addario has been leading the industry in innovative and problem-solving products that serve musicians worldwide. D’Addario Accessories are proudly made in a state-of-the-art manufacturing facility to the most stringent quality controls in the industry. The D’Addario family’s heart, soul and love for making music is put into every accessory we create, and we never stop inspiring performance.