Article Summary
What this article covers: Which travel gadgets are worth their weight in a real bag, how the 2026 airline rules on power banks changed what you can carry, and what to leave at home.
Who this is for: Travellers packing for Ireland, the UK or further afield who want fewer, better bits of kit rather than a longer shopping list.
Key takeaway: Almost every traveller carries too many travel gadgets and the wrong ones; a single high-output charger, a long cable and one tracker will out-earn a bag full of specialist devices.
Expert insight: “I’ve filmed on the Antrim coast in horizontal rain often enough to know which travel gadgets survive and which ones quietly die in a jacket pocket. The kit that lasts is usually the boring kit: one charger that does everything, a cable long enough to reach a badly placed socket, and a dry bag that costs less than lunch. Most of what gets sold as a travel essential ends up in a drawer by the second trip.” , Ciaran Connolly, Founder of ConnollyCove
Quick facts:
- Since 27 March 2026, ICAO rules limit passengers to two power banks, each 100Wh or less, carried in the cabin only
- Power banks must not be recharged from in-seat power during a flight under the current guidance
- A 20,000mAh power bank works out at roughly 74Wh at 3.7V, comfortably inside the standard limit
Most travel gadget guides are shopping lists with a word count problem. At ConnollyCove we start from the opposite end: you have a fixed amount of space and a weight limit, and every item has to justify itself against the thing you would otherwise pack. Years of filming trips, airport security queues and travel gadgets that turned out to be useless have shaped that view.
The honest picture is that four or five travel gadgets do almost all the work. Everything after that is optional. And in 2026 there is a new reason to think carefully about one category in particular, because the rules on what you can carry and how you can use it changed in March, and a great many guides still have not caught up. That is where we will start, because if you get this bit wrong you can lose the kit at security or, worse, hold up a flight.
Table of Contents
The 2026 Airline Battery Rules Come First
Before you choose any travel gadgets, understand the battery rules, because they now shape what is worth buying. Lithium batteries have caused enough onboard incidents that international aviation regulators tightened the passenger provisions, and the changes took effect on 27 March 2026. They apply to power banks, spare batteries and anything with a removable cell.
What Changed in March 2026
The International Civil Aviation Organization published an addendum to its Technical Instructions, and the UK Civil Aviation Authority set out the passenger-facing version. The headline points: a maximum of two power banks per person, each one carried in the cabin and never in hold baggage, each individually protected against short circuit in a pouch or its original packaging, and no recharging of the power bank itself from in-seat power during the flight. Several carriers have gone further and banned overhead-locker storage, asking passengers to keep chargers in a seat pocket or under-seat bag where crew can reach them quickly.
The practical effect is that a power bank is no longer a passive item you throw in a bag. You need to know its rating, keep it accessible, and treat it as something the crew may ask about. You can read the current UK guidance on the Civil Aviation Authority’s lithium battery page, and it is worth checking your operating airline as well, since some are stricter than the baseline.
Working Out Whether Yours Is Legal
Airlines measure capacity in watt-hours, not milliamp-hours, and most power banks advertise the wrong number. The conversion is simple: multiply the mAh figure by 3.7, then divide by 1,000. A 10,000mAh unit is about 37Wh. A 20,000mAh unit is about 74Wh. A 27,000mAh unit lands right on the 100Wh threshold, which is why that capacity turns up so often on spec sheets.
Anything up to 100Wh travels without asking. Between 100Wh and 160Wh you need the airline’s approval in advance, and some now refuse it outright for power banks. Above 160Wh it does not fly. If the rating is not printed clearly on the casing, security can take a view and confiscate it, so an unlabelled bargain unit is a false economy.
How to Pack Them
Keep each power bank in its own pouch so the terminals cannot touch keys or coins. Put them in the bag that stays with you rather than one that might get gate-checked, because if staff take your cabin bag into the hold you have to pull the batteries out first. Two units of 10,000mAh serve most trips better than one enormous brick.
Countries are adopting the standard on their own timetables, which matters if you are connecting. Singapore’s aviation authority applied the two-unit limit from 15 April 2026 with a ban on in-flight charging on departing flights.
Power, Charging and Adaptors
Charging is where most travellers carry the most redundant weight. The typical bag holds a laptop brick, a phone cube, a spare cable that fits nothing, and an adaptor bought at the airport. One modern charger replaces almost all of it, and this is the single upgrade that makes the biggest difference to how much space your travel gadgets take up.
One Charger Instead of Four
Gallium nitride chargers run cooler than the older silicon designs, which lets manufacturers shrink a high-output unit to roughly the size of a deck of cards. A single multi-port model in the 65W to 100W range will run a laptop, a phone and a pair of headphones at the same time. Look for one with a detachable mains lead rather than fixed folding pins, because a detachable lead lets you swap in a UK, EU or US cable instead of stacking an adaptor on top of a plug.
That last point matters more in these islands than most guides admit. Ireland and the UK both use the type G three-pin plug, so a traveller moving between Dublin and Belfast needs nothing extra, but the same trip continuing to France or Spain does.
The Cable Nobody Packs
“The single most useful thing I’ve packed in the last two years is a two metre charging cable. Hotel sockets in older Irish and British buildings are almost never near the bed, and a short cable leaves your phone on the floor across the room.” , Ciaran Connolly, Founder of ConnollyCove
Carry one long cable and one short one. The long one solves badly placed sockets in period buildings, which describes a large share of guesthouses across Ireland. The short one lives in a pocket with the power bank so the two can travel together without tangling.
USB-C now covers most devices, including iPhones from the 15 onwards, so the era of carrying three cable types is largely over. Check your own kit before you strip the collection back, since older cameras and e-readers can still want micro-USB.
Adaptors Worth Buying
A universal adaptor is one of the few travel gadgets where paying more genuinely buys something. Cheap ones have loose contacts and no fuse. Look for surge protection, a replaceable fuse, and a body that does not hang so heavily out of the socket that it falls out. If your itinerary only covers Ireland, the UK and mainland Europe, a simple type G to type C adaptor is lighter than a universal cube.
For longer trips across several regions, our practical travel planning guide covers the prep that sits around the kit list.
Staying Connected Abroad Without a Roaming Bill
Connectivity is the second category where travel gadgets have genuinely changed, and mostly for the better: the hardware you used to need has been replaced by software. For most travellers the answer is now an eSIM bought before departure rather than a device.
eSIMs Have Replaced the Airport SIM Kiosk
An eSIM is a data plan you download instead of a card you insert. You buy it online, scan a code, and it activates when you land. Two profiles can run at once on most recent handsets, so your home number keeps receiving messages while a local plan carries the data.
Apple began removing the physical SIM tray from US iPhones with the iPhone 14 in 2022 and extended eSIM-only models to around a dozen markets with the iPhone 17 in September 2025. Handsets sold in the UK and Ireland have generally kept the tray alongside eSIM support, but if you buy a phone abroad you may find no tray at all. Set the eSIM up while you still have home wi-fi; activating one on arrival with no data is a miserable way to start a trip.
UK and Irish travellers should also check whether their own plan still includes roaming in the EU, since several networks reintroduced charges after 2021 and the allowances vary a lot between tariffs.
Software has quietly replaced a whole shelf of travel gadgets here. Offline maps, translation and currency conversion all live on the phone now, and our guide to useful travel apps covers the ones worth installing before you fly.
When a Portable Router Still Earns Its Place
A dedicated mobile router beats a phone hotspot in two situations: when several people need to share one connection for days on end, and when the signal is weak enough that antenna quality matters. Rural Ireland is a genuine case for the second. Parts of Donegal, west Mayo and the Antrim glens hold coverage that a phone tucked in a pocket will drop and a router on a windowsill will hold.
For most short trips it is dead weight. If you are working remotely from a cottage for a fortnight, it is the difference between a productive week and an afternoon watching a loading icon. Our Ireland travel guide covers the regions where this is worth planning for.
Sound, Sleep and Long Journeys
Long-haul and long-rail journeys are where a small number of travel gadgets pay for themselves repeatedly. This is also the category where people spend the most and get the least, because the marketing is loudest here.
Headphones
Active noise cancellation works on constant low-frequency sound, which is exactly what an aircraft cabin or a train carriage produces. It does far less against speech, so it will not silence a nearby conversation. Over-ear models cancel more; in-ear models weigh less and survive a jacket pocket. Pick according to how you actually travel rather than which reviews you read.
Take a wired backup pair or a 3.5mm adaptor if you use in-flight entertainment, because plenty of aircraft still have no Bluetooth pairing. Battery life claims are measured with cancellation on and volume low, so assume you will get less.
Sleep Kit
An eye mask and earplugs weigh almost nothing and outperform most electronic travel gadgets for actually getting rest. A neck pillow is the item most likely to be abandoned in a hotel room, so buy an inflatable one if you buy one at all. If you fly often enough to care about seat comfort, our guide to business class cabins is a better use of the money.
Tracking, Security and Keeping Hold of Your Things
Bag tracking is the one category of travel gadgets that has gone from novelty to standard in about three years, largely because airline baggage systems have not improved at the same rate. A tracker costs less than a single day of replacement clothing.
Trackers
A Bluetooth tracker does not have GPS. It reports its position by pinging nearby phones in the manufacturer’s network, so it works brilliantly in a busy airport and poorly on a remote hillside. That is fine, because lost bags are almost always in busy places. Put one in the main compartment rather than an outside pocket, and keep a screenshot of its last location if you need to report a bag missing.
Locks, Pouches and the Boring Wins
A cable lock through the zips of a bag left in a hostel room deters opportunists. A flat pouch worn under clothing holds a passport and a card without announcing itself. Neither is a gadget in any interesting sense, and both prevent more problems than most of the electronics here.
A small dry bag belongs in this category too. Ireland’s weather makes waterproofing a routine concern rather than an occasional one, and a five-euro roll-top bag has saved more cameras than any expensive case. Our backpacking preparation guide goes further on packing for wet conditions.
None of these travel gadgets is expensive, which is the point. Spending on security is one of the few places where the cheap option is also the sensible one, and our budget travel guide works through where the money is better spent.
Travel Gadgets for Irish and Northern Irish Trips
Kit lists written for American road trips travel badly to these islands, so it is worth calling out what changes here. ConnollyCove is an Ireland-based travel and culture platform, and the pattern we see on our own filming trips is consistent: the weather and the rural signal decide what you need, not the destination’s headline attractions.
Weather Is the Design Constraint
Rain here is frequent rather than dramatic, so gear gets damp rather than soaked and stays damp all day. Waterproof cases beat water-resistant ones. A phone in a wet pocket loses touchscreen accuracy long before it takes real damage, which makes a small towel more useful than most accessories.
Signal, Navigation and Rural Roads
Download offline maps before you leave a town. Coverage across the west of Ireland and the Sperrins is patchy enough that live navigation fails at exactly the moment a junction appears. A car mount and a charging lead matter more than any dedicated satnav.
If your trip takes in the north, our Northern Ireland guide covers the practical ground on distances and driving.
City trips need less kit again, since you are rarely far from a socket. The Belfast city guide sets out what a weekend there actually involves.
For trips based in the capital, the Dublin guide is the place to start planning.
What to Leave at Home
The fastest way to improve a packing list is to remove things. These are the travel gadgets that consistently come home unused, based on what we end up carrying and never touching.
Portable travel kettles and irons are the classic example: heavy, voltage-dependent, and duplicated by almost every hotel room. Selfie sticks are banned in a growing number of museums and galleries, so check before you pack one. Dedicated satnav units have been replaced entirely by phones with offline maps. Currency converters, translation devices and step counters all duplicate apps you already have.
Full-size camera kit deserves a harder question than most people ask it. If you are not going to change lenses, a recent phone will produce better results than a mid-range compact, and it weighs nothing extra because you were carrying it anyway. Take the camera when you have a specific reason. Leave it when the reason is that you own one.
| Item | Rough weight | When it earns its place |
|---|---|---|
| Multi-port GaN charger | 150g | Always |
| Two-metre charging cable | 40g | Always |
| Power bank, 10,000mAh | 200g | Any day away from a socket |
| Bluetooth tracker | 11g | Any flight with checked baggage |
| Noise-cancelling headphones | 250g | Flights over three hours, long rail |
| Dry bag, 5L | 60g | Ireland, Scotland, anywhere coastal |
| Portable router | 250g | Remote stays over a week |
| Travel kettle | 600g | Almost never |
Packing Less, Better
The pattern across every trip is the same. A small number of travel gadgets do the heavy lifting, the battery rules now decide the shape of your charging kit, and the items people regret packing are almost always the specialist ones bought for a single imagined scenario. Start with the charger, the cable and the tracker, then add only what a specific trip demands.
ConnollyCove is an Ireland-based travel and culture platform covering destinations worldwide with practical guidance alongside cultural depth. For more trip planning, browse our destination guides.
You can also see the travel gadgets we actually carry in use on our YouTube channel, where most of what gets filmed is shot with the kit described here.
FAQs
How many power banks can I take on a plane?
Two per person, under the rules that took effect on 27 March 2026. Both must travel in the cabin, never in hold baggage.
What size power bank is allowed on a flight?
Up to 100Wh without asking, which is roughly 27,000mAh. Between 100Wh and 160Wh needs airline approval in advance, and above 160Wh is not permitted.
Can I charge a power bank on a plane?
No. Current guidance says power banks must not be recharged from in-seat power during the flight. Using one to charge your phone is usually allowed at cruise, but crew instructions take priority.
How do I convert mAh to watt-hours?
Multiply the mAh figure by 3.7 and divide by 1,000. A 20,000mAh power bank is about 74Wh.
What travel gadgets are actually worth buying?
A multi-port GaN charger, one long charging cable, a 10,000mAh power bank and a Bluetooth tracker. Those four cover most trips.
Do I need a plug adaptor between Ireland and the UK?
No. Both use the same type G three-pin socket, so nothing extra is needed for travel between them.
Is an eSIM better than a local SIM card?
For most short trips, yes. You buy it before you travel, activate it on arrival, and keep your home number active at the same time.
Do Bluetooth trackers work in remote areas?
Not reliably. They rely on nearby phones to report a position, so they work well in airports and cities and poorly on empty hillsides.
What should I not pack?
Travel kettles, travel irons, dedicated satnavs and translation devices. Hotel rooms or your phone already cover all of them.
