18V 3a transformer adapter charger 5.5*2.5/5.5*2.1 mm ac dc adaptor 18v 3a switching power supply | Fruugo AE
Amazon.com: Gonine 18V Guitar Pedal Cable, 18Volt 1A Power Supply AC Adapter 110-240V AC to DC Center Negative DC Plug for JOYO JP-01 JP-02 Effect Pedal Charger. : Musical Instruments
Amazon.com: 18V 1A AC DC Power Supply Adapter, US Wall Charger, DC Plug 5.5x2.1mm & 2.5mm Compatible with for 18volt (0.1A 0.15A 0.2A 0.25A 0.3A 0.4A 0.5A 0.6A 0.7A 0.8A 0.9A) 100mA~1000mA