The Cruise Ship Charging Question Nobody Warns You About

You've booked your cruise. You've got your outfits sorted. You've downloaded the ship's app. And then, buried in a 40-page "what to pack" FAQ on the cruise line's website, you see it: "Power strips and extension cords are prohibited for safety reasons."

Cue panic. How are you supposed to charge your phone, camera, laptop, and earbuds if you can't bring a power strip? Are travel adapters even allowed? Will you be stuck fighting over the one outlet in your cabin?

Take a breath. Here's exactly what you need to know.

Why Cruise Ships Restrict Power Strips

Cruise ships have strict electrical safety standards for good reason. Their electrical systems are complex and heavily regulated, and the risk of fire from overloaded circuits or faulty power strips is taken very seriously. The International Maritime Safety Code (SOLAS) mandates specific fire prevention standards on all commercial vessels.

Power strips — especially cheap, unbranded ones — can overload circuits and create fire hazards. So cruise lines ban them. This includes any extension cord with a surge protector.

Are Travel Adapters Allowed on Cruise Ships?

Yes — with important caveats. A standard travel adapter (one that simply changes plug shape without adding extra sockets) is generally permitted on all major cruise lines. The distinction cruise lines make is between:

  • Permitted — Simple plug adapters that change the plug type but don't multiply outlets or add power strip functionality
  • Prohibited — Power strips, surge protectors, extension cords, and multi-socket adapters that significantly expand the number of available outlets

What About the TESSAN Adapter's USB Ports?

This is the nuanced part. The TESSAN Universal Travel Adapter includes USB and USB-C ports — but crucially, these ports are powered from the single outlet connection. They don't add additional high-wattage outlet sockets. They're low-power charging ports, not a power strip.

Because of this, the TESSAN adapter falls into a category that most cruise lines permit. The USB ports allow you to charge low-power devices (phones, earbuds, cameras) without creating the kind of electrical load that a power strip would.

That said, policies vary by cruise line and can change. Always check your specific cruise line's current policies before boarding. Here's what the major lines typically say:

  • Royal Caribbean — Bans power strips and surge protectors; simple adapters and USB chargers are generally allowed
  • Carnival Cruise Line — Similar policy — no power strips, but travel adapters permitted
  • Norwegian Cruise Line — Prohibits power strips; travel adapters are generally accepted
  • MSC Cruises — European-standard cabins; US travelers need an adapter, and it is generally allowed
  • Princess Cruises — No power strips; travel adapters permitted

What Outlets Do Cruise Ships Have?

This depends on the cruise line and the ship, but many modern cruise ships (especially those catering to international passengers) include multiple outlet types in cabins:

  • US-style outlets (Type A/B, 110V)
  • European-style outlets (Type C, 220V)
  • USB charging ports built into the bedside or desk

If you're an American traveling on a ship with European outlets only (common on European river cruises), you'll need an adapter. The TESSAN adapter covers you regardless of what the cabin offers.

What to Pack for Cruise Ship Charging

Here's the recommended cruise cabin charging kit that's both practical and compliant with cruise line policies:

  • TESSAN Universal Travel Adapter — Fits any outlet type on the ship; USB ports let you charge multiple low-power devices
  • USB Cable Extension (1–2m) — Long enough to reach from outlet to bed or desk comfortably
  • Phone Charging Cable — Whatever your phone uses
  • 20,000mAh Power Bank — Pre-charge this nightly and take it with you on port days so you're never without power while exploring
  • Camera + Extra Battery — If you're shooting video, bring an extra camera battery and a dedicated charger

The Safety Question: Is TESSAN Safe to Use?

Absolutely — and this is a question worth taking seriously. The TESSAN adapter is built with multiple safety features:

  • Child-safe shutter doors — Protect against accidental insertion of foreign objects
  • Flame-resistant housing — The adapter housing is made with flame-resistant materials
  • Built-in fuse — Cuts power if load exceeds safe limits, protecting the circuit and your connected devices

Note: The TESSAN adapter does not include surge protection, which is actually what makes it compliant with cruise ship policies. Surge protectors are a specific type of power device that cruise lines prohibit. This makes the TESSAN the ideal choice for cruise travelers who need a reliable, policy-compliant charging solution.

Bottom Line: The TESSAN adapter is widely permitted on cruise ships and includes USB ports that let you charge multiple devices without a power strip. Always verify with your specific cruise line before boarding.

💡 Cruise tip: When you board, immediately check the outlets in your cabin and note the type. If the ship has US outlets, you may not even need the adapter in the cabin — but you'll want it for European ports. The TESSAN covers both scenarios.