Anker’s travel charger works in almost any country and is down to $20

If you’ve got international travel coming up, an adapter is essential for keeping your phone, earbuds, power banks, and other gadgets charged. Anker’s Nano Travel Adapter is one of our picks from our guide to the best gadgets for summer travel because it can charge up to five devices at once, yet it’s small enough to fit in the palm of your hand. It’s also available in black for just $19.99 ($6 off) at Amazon, Best Buy, and directly from Anker (with code WS7DV2BNB82J) matching its…