Can you bring an electric toothbrush on a plane?
Yes, in either bag, and the TSA says keep lithium devices in your carry-on. The battery rule, what checked bags require, and the chargers that catch people out.
Oohunt Deal Desk · Buying guides · October 23, 2026 · 7 min read
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Yes, in your carry-on or your checked bag, and the carry-on is the right answer. The TSA lists an electronic toothbrush as allowed in both, with one instruction attached: devices containing lithium metal or lithium ion batteries should be carried in carry-on baggage. Nearly every rechargeable toothbrush has one.
That is the whole rule. The rest of this is the parts that actually go wrong, which are the charger, the checked bag and the head you left at home.
Why the carry-on, specifically
The concern is never the toothbrush, it is the category it belongs to. Lithium batteries are kept in the cabin because that is where a problem can be seen and dealt with, which is the same reasoning behind the rules for power banks, where it matters far more.
If you do pack the brush in a checked bag, the FAA requires the device to be completely switched off, not in sleep mode, and protected so it cannot be damaged or turn itself on. An electric toothbrush is unusually good at breaking that second rule: a travel case gets squashed, the button gets pressed, and it runs until it is flat.
The 100Wh limit does not apply in practice
Lithium ion batteries are capped at 100 watt-hours per battery for passengers, and toothbrush batteries are a tiny fraction of that. No manufacturer publishes the rating, so we are not going to print a number, but nothing in a bathroom cabinet comes close to the limit. If you want to check a battery you do have a figure for, the mAh to Wh calculator converts it.
One genuine limit worth knowing: spare loose batteries are carry-on only, always, and if your carry-on gets gate-checked, the FAA says spare batteries and power banks must come out and stay with you.
The charger is the real problem
Security does not care about it. Foreign outlets do.
- Plug shape. An inductive charging base has a fixed plug, so you need an adapter for the country you are visiting.
- Voltage. Check the base itself for a range such as 100 to 240V, which means it works anywhere with an adapter. A base marked for one voltage needs a converter, not an adapter, and the two are not the same thing.
- Whether you need it at all. Most handles hold a charge for a week or two. For a short trip, charge it fully and leave the base at home.
Some travel cases charge over USB, which sidesteps the whole problem, because a USB-C charger you already own will do. What that charger needs to supply is covered in how many watts a USB-C charger needs.
At the checkpoint
An electric toothbrush does not normally come out of the bag, and the TSA is clear that the officer at the checkpoint has the final say on any item. Officers may also ask you to power up an electronic device, which is a good argument for travelling with some charge rather than none.
Packing it so it survives
- Take the head off the handle, or put a cap on it, so bristles are not pressed flat for the whole trip.
- Let it dry first. A wet brush sealed in a case for ten hours is the one thing the ADA warns about, since a closed container keeps it damp. The care guidance has the detail.
- Lock it if it locks. Some handles have a travel lock. If yours does not, the case is the only thing between the button and your suitcase.
- Take a spare head if the trip is long. A head due for replacement mid-trip is how people come home still using it two months later.
Other countries
The battery rules above are the US ones, but they follow the same international standard most airlines apply, which keeps devices with lithium batteries in the cabin. Nothing in it singles out toothbrushes; they are simply one of the smallest things it covers.
What to take, and what to leave
Prices change often, so check the current one on Amazon.
What we would buy (4)
Affiliate links
- Check price on Amazon
Philips SonicarePhilips One by Sonicare brush heads, 2-pack (BH1022)
Opens Amazon in a new tab.For the Philips One, the battery brush most people travel with. Two heads is six months of changes.
- Check price on Amazon
Oral-B3D White manual toothbrushes, 4-pack
Opens Amazon in a new tab.The short-trip answer: no handle, no base, no adapter, and nothing to charge.
- Check price on Amazon
Oral-BCrossAction replacement heads, 4-pack
Opens Amazon in a new tab.Spares to leave at home, so a trip is never the reason a worn head stays on.
- Check price on Amazon
Philips SonicareG3 Gum Care brush heads, 2-pack
Opens Amazon in a new tab.Click-on heads for any Sonicare handle except PowerUp Battery and Essence.
No prices or star ratings here. Prices change daily and we do not track them, so Amazon shows you the current one. Nothing on this list has been tested.
Common questions
Can you bring an electric toothbrush on a plane?
Yes. The TSA lists an electronic toothbrush as allowed in both carry-on and checked bags. Because most rechargeable models contain a lithium battery, the TSA's own advice is to keep it in your carry-on.
Can an electric toothbrush go in checked luggage?
It is allowed, but it is the worse option. The FAA requires a battery-powered device in a checked bag to be completely switched off, not asleep, and protected so it cannot turn itself on or be damaged. A brush that buzzes for hours inside a suitcase arrives flat at best.
Does an electric toothbrush count against the 100Wh battery limit?
In principle it falls under the same rule, which caps lithium ion batteries at 100 watt-hours. In practice a toothbrush battery is a tiny fraction of that, so the limit never comes into play. Power banks are the ones to check.
Do you have to take an electric toothbrush out of your bag at security?
Usually not, since it is smaller than the electronics screening normally applies to. The officer at the checkpoint makes the final call either way, and the TSA notes officers may ask you to power a device up, so a brush with some charge left is easier than a dead one.
Can you take a toothbrush charger on a plane?
Yes, and it is the part people forget. A charging base is an ordinary appliance for screening purposes, but abroad it needs the right plug and voltage, and an inductive base will not charge anything through a travel adapter rated below what it draws.
Is it worth taking the handle at all for a short trip?
For two or three nights, a manual brush and your usual heads at home is simpler than packing a handle, a base and an adapter. For longer trips, take the handle charged and leave the base at home if the battery will last the trip.
The battery that does need checking before a flight is a power bank: the 2026 rules cover the limits and how many you can carry. More oral care sits in health & household.