Hmm, I thought that it’d be more to do with maximum wattage, so 4V should be able to do a whole lot of amps if it can do 250V 1.5A. Obviously not! I’ll also take a photo of the inside of the rubber cap, thanks for the tip!

Simon implied that he didn’t have a switch for it:

@Tumbleweed - when I get on a computer and a bit later tonight I’ll write more about it (perhaps a mini-review) and link to it :slight_smile: Should be ~3 hours.