The original ChargeKey is 20% off on Amazon right now, so if you're curious, that's an easy option to take advantage of. But ...

All you need is this neat keychain. No, it doesn't just open bottles when you've forgotten to bring a bottle opener. This one also comes with a phone cord for convenient, on-the-go charging!

Yet, they’re sometimes bulky and inconvenient to carry — especially if you need different options for your phone, Apple Watch ...

TL;DR: Charge any Apple Watch anywhere with an Apple Watch Wireless Charger Keychain on sale for $14.97 through April 27. A dead watch is still right twice a day, but a dead Apple Watch?