Power, Adapters & Electronics

For trip planning context, see Trip & Itinerary Planning. For packing logistics, see Packing Lists. For eSIM-equipped phones see eSIM & International Data.

The "right adapter" question got easier over the last decade — almost every modern laptop / phone charger is multi-voltage (100–240V), and a good universal adapter plus a couple of GaN multi-port chargers covers most needs. The trickier question is power banks on flights.

Universal travel adapters

• ★ Targus APA series, Skross World Travel Pro — paid (~$30); ★ classic universal adapters; sturdy mechanical sliders.
• EPICKA — paid (~$25); cheaper, includes USB-A and USB-C; quality is decent.
• OneAdaptr Twist+ — paid (~$50); tiny, well-regarded, fewer USB ports.
• Twelve South PlugBug — paid; specifically Apple-flavored; works with MagSafe chargers.
• MOGICS Donut / Power Bagel — paid; multi-outlet from one wall plug; useful in hotel rooms with one outlet.

What "universal" means: handles US Type A/B, UK Type G, EU Type C/E/F, AU Type I, and often more, in one device. Some universal adapters omit Type J (Switzerland), Type L (Italy 3-pin), Type D (India 3-pin large) — verify if traveling there.

Voltage / power considerations

• Modern electronics (laptops, phones, cameras, e-readers, tablets) are 100–240V — they only need a plug-shape adapter, not a voltage converter.
• Hairdryers, curling irons, kettles, electric razors are usually single-voltage and do need a voltage converter — but these are heavy and rarely worth packing. Buy at the destination or use the hotel's.
• CPAP machines — most modern ones are universal-voltage; verify yours.
• Frequency (50 vs 60 Hz) matters only for things with motors; not phones / laptops.

Multi-port USB chargers (GaN)

GaN (gallium nitride) chargers shrunk dramatically 2022–26 — a 65W three-port charger is now the size of a deck of cards.

• ★ Anker Nano II / Prime / 521 — paid (~$30–$80); ★ default; 30W–100W variants; reliable.
• UGREEN Nexode — paid; cheaper Anker alternative; comparable quality.
• Apple 35W / 67W Dual USB-C — paid; Apple's option; minimal but pricey.
• Belkin BoostCharge Pro — paid; multi-port.
• Satechi 100W — paid; for laptop-fast-charging on the road.

Pair with: 1× USB-C to USB-C cable (100W rated, e.g. Anker 765 USB-C), 1× USB-C to Lightning if needed, 1× shorter "go bag" cable. Pre-2024 USB-C cables vary wildly in capability — buy fresh ones if charging slow.

Power banks

• ★ Anker PowerCore series — paid (~$30–$100); ★ default; 10000mAh / 20000mAh / 27000mAh sizes; some support USB-C PD pass-through.
• Anker Prime / Nano Power Bank (with built-in cables) — paid; convenient; smaller capacity.
• iWALK / Iniu — paid; cheaper alternatives.
• Mophie / Belkin / RAVPower — paid; various.

Capacity sweet spots:

• 10,000 mAh — 2x phone charge; pocket-friendly.
• 20,000 mAh — fly-with-anywhere max for most travelers; charges a laptop once or phone 4–5x.
• 27,000 mAh — near the 100Wh aviation limit; airlines may scrutinize.

TSA / aviation power-bank rules (2026)

• All lithium power banks must be in carry-on, not checked baggage. (FAA, IATA, EASA all aligned.)
• ≤ 100 Wh — allowed without airline approval; this is roughly ≤ 27,000 mAh at 3.7V (the typical battery cell voltage).
• 100–160 Wh — allowed with airline approval; usually limited to 2 spare per passenger.
• > 160 Wh — banned on passenger aircraft.
• Wh = (mAh × V) / 1000. For a 20,000 mAh power bank labeled at 3.7V battery voltage: 20,000 × 3.7 / 1000 = 74 Wh — clearly under 100Wh. Spec on the back of the bank should give the Wh directly.
• Spare lithium batteries (camera batteries, drone batteries) — same rules; carry-on only, terminals protected.

Cables and bags

• Peak Design Tech Pouch / Bellroy Tech Kit / GoRuck cable kit — paid; cable organization.
• Pelican / NIID / Tom Bihn — paid; rugged cable rolls.
• Roll cables, don't fold — kinks the wires.
• Color-code cables with electrical tape — saves time.

Specialty

• AirTag / SmartTag / Tile — for finding the bag (see Lost Luggage & Trackers).
• MagSafe wallet / chargers — paid; iPhone-flavored; convenient at hotel bedside.
• USB / wall-outlet voltage testers — paid (~$10); for diagnosing flaky hotel power.
• Power strips with surge protection — paid; some hotels' wiring is rough; surge protector saves laptops.
• CPAP travel batteries: medical-device exception sometimes lifts the 100Wh limit — check with airline; doctor's letter helps.

Practical rules (2026)

• Pack one universal adapter and one country-specific adapter for redundancy.
• GaN multi-port + good USB-C cable is the modern travel charger.
• Keep all spare batteries / power banks in your carry-on. Forgetting this means re-packing at the gate.
• Apple 20W USB-C charger is great for phones but won't charge a laptop fast — bring a 65W+ if you have a laptop.
• Test chargers and cables before leaving — not at the airport gate at 5am.
• Pre-charge before flights (phone, laptop, power bank); some airlines randomly require electronics to power on at security.
• Universal adapter is not a voltage converter. If you're bringing a hairdryer-grade device, do the math.

Pick this if…

• Default global trip: universal adapter (Targus / Skross) + GaN multi-port (Anker Prime/Nano) + 20,000 mAh power bank (Anker PowerCore).
• Tiny build for one-bag travel: OneAdaptr Twist+ + Anker Nano II 30W + 10,000 mAh slim bank.
• Pro photographer / videographer: large-Wh power bank up to 99Wh, plus separate camera-battery chargers.
• Hotel-room cluster of devices: add MOGICS Donut or short power strip.