Also that's Fedi Alpha - which is on mutiny signet.
You'll need a mainnet federation, these will also be easier to run soon.
Discussion
Ok, so atm I can only send this to another Fedi wallet?
It's nuanced.
The Federation you're connected to there is a testnet Federation - you need to connect to one on mainnet to zap ⚡
Also you'd need an updated app which isn't public yet.