I purchased an adaptor for powering a Casio keyboard. The keyboard is rated DC 9 V, 850 mA or 6 batteries "AA." The Adaptor has input as : 100-240VAC 50/60Hz .5a max and an output as : 8v-10v 1A - 2A.
This adaptor was supposed to work with this keyboard, will there be problems? Also, the...