Best cableThe one that survives being crushed in a duffel
Anker PowerLine USB-C Cable
Take two — a failed cable at 4,500 m turns a working power bank into ballast, and this is the cheapest failure in the whole department to insure against.

Universal travel adapter with USB-C (Type C/D)
230 V, 50 Hz; Type C/D/M sockets
4.6 on Amazon
A universal adapter with its own USB-C ports means one wall socket charges three things, which matters when a lodge has exactly one and six guests — the cheap ones have no fuse, so do not run a laptop through it.
Check price on AmazonAs an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Do not buy this if: Nothing. Everyone arriving from the UK, US, EU or Australia needs one.
Everything else we recommend in cables & adapters, including the ones we think suit a different trekker.
Best cableAnker PowerLine USB-C Cable
Take two — a failed cable at 4,500 m turns a working power bank into ballast, and this is the cheapest failure in the whole department to insure against.