fun fact: most switch-mode power supplies (if it's flat and/or light it's switch-mode) will happily accept any input in 90-240 V*dc* range
Make it easy and clip a bunch (12+?) of 9V's together instead - don't need anything to hold them in place.
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Make it easy and clip a bunch (12+?) of 9V's together instead - don't need anything to hold them in place.