This is puzzling.

Around two months ago, I bought one of these electric (cordless) air dusters. I do technically own some pressurized air equipment (14l tank, 12V pump and manual pump), but it’s always bulky and inconvenient to use. Since battery technology has advanced so much over the last couple of years…some nifty dude invented the server fan on a 18650. And aside from actually filling things up with a defined pressure, that’s basically good enough for most tasks that mainly consist of “dusting things off” needs. […]