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An individual mains adaptor (or transformer) is the most popular way to run your portable keyboard instrument. Alternatively, batteries will power some models, but we don't recommend this as they can affect the performance of your keyboard's speakers and leak if they are forgotten.
A Yamaha keyboard 12v power supply
A universal UK mains adaptor with switchable voltages (3v-12v) 600mA
9v mains adaptor for most current Casio 'CTK' and 'CT-S' keyboard models
9v Casio mains adaptor for most current 'CTK' keyboard models
A universal UK mains adaptor with switchable voltages (3-12v 1000mA)
12-volt (2-Amp) mains adaptor for many larger Yamaha keyboards & synths
9v Casio mains adaptor for some older 'CTK' keyboard models
12v Casio mains adaptor for most current 'CTK' and 'Privia' piano models
A universal UK mains adaptor with switchable voltages (3-12v 2250mA)
A Yamaha 12v / 750mA power supply for a wide range of PSR, YPT keyboard models
A Yamaha keyboard 12v / 1.5A power supply
A 10-pack of 12v mains power supplies for Yamaha's 'PSR', 'PSR-E' and 'YPT' series keyboards
A special 10-pack of (9.5V) UK mains plug adaptor for use with Casio CTK and LK series keyboards
A 10-pack of 12-volt (2-Amp) mains adaptor for many larger Yamaha keyboards & synths
A special 20-pack of (9v) mains adaptors for most current Casio CTK and LK keyboard models
A 20-pack of Yamaha keyboard power supplies (12v), suited to Yamaha's 'PSR', 'PSR-E' and 'YPT' series keyboards
A 20-pack of 12-volt (2-Amp) mains adaptor for many larger Yamaha keyboards & synths