// S t a c k
You’re out with your friends and say goodbye, go to call a taxi and realise your phone has run out of battery. You didn’t bring your portable charger because it’s too big and heavy.
Stack is a stackable, miniature power bank that can give you a 30% charge but is small enough to easily fit in your pocket or purse.
Stack a few in a magnetic daisy chain to extend its capacity for longer journeys or a weekend away.