9V AC/DC Adapter - 5.5x21mm tip

*Brand new, wrong size for my keyboard* Input voltage 240 Volts (AC) 【9V Power Supply】 Input: 100-120V, 50-60Hz / output: dc 9V 850mA(max 1A), power cable: 10 ft. Connector negative(-) center, (tip 5.5x2.1mm) Replacement Power Supply for the Original Chargers AD-5MU / AD-5MR. 【Casio Keyboard Power Cord】Design & Service: Designed for Casio piano keyboards, replacement power adapter for P/N AD-5 / AD-5UL / AD-5MU / AD-5MR / AD-5MLE / AD-5ML / AD-5GL / AD-5EL. After many experiments, this charger can also be used in Boss Guitar Effects Pedal, Zoom, Dunlop, Donner, Dunlop Ibanez, Ditto, Electro Harmonix, Vox Stomplab, KLIQ, JOYO, Korg, Wah pedals, Roland, Distortion, DigiTech, Jim Dunlop, Behringer music devices.