The Best Portable Chargers for Travel in 2026

What to look for

• Capacity: measured in mAh or Wh. Most phones are ~3,500 mAh.
• USB-C PD (Power Delivery): essential for fast charging modern iPhones, MacBooks.
• Airline compliance: under 100 Wh in carry-on, no checked.
• Pass-through charging: charge bank and devices simultaneously.

The shortlist

Anker 737 (PowerCore 24K)

24,000 mAh, 140W output, charges a MacBook Pro and iPhone simultaneously. The travel reference.

Apple MagSafe Battery Pack (newer revisions)

Best ergonomics for iPhone-only travelers; magnetic, slim.

Anker Nano Power Bank (5,000 mAh, USB-C built-in)

Tiny, plugs straight into iPhone 15+ for the world's smallest emergency top-up.

Belkin BoostCharge Pro 10K

10,000 mAh, MagSafe-compatible, fits in a jacket pocket.

UGREEN 145W 25,000 mAh

Best value; runs MacBooks and phones simultaneously.

Airline rules

• Power banks must be in carry-on, not checked.
• Most airlines limit to two banks under 100 Wh per passenger.
• Banks above 100 Wh require airline approval.

Travel use cases

• Long flight: charge phone and headphones mid-air.
• Long airport day: keep boarding pass and FlightyFlow tracking active.
• Camping trip: the 24K-class bank can charge a phone 5–6 times.

Avoid

• No-name brands at airport shops; they're usually low capacity at high prices.
• Banks without USB-C in 2026.