It's a rapidly changing situation. The capacity limits have been
varying from one airline to another on what seems to be a monthly
basis, but I think the total ban is going to happen this year in most
countries. It's getting to be a problem for sure. I've had two small
ones fail while in a heavily discharged state so the heat/energy
potential didn't cause any fires, but one got mighty warm. One problem
I'm seeing is that the housing on some of these don't allow for
expansion, so if the battery starts to swell, (which can happen even
more so at altitude), it starts to crush itself. And as a general
rule, crush=thermal runaway.
On my recent trip to Australia, they hand inspected every battery
device and had a total ban on any battery devices of any type in the
checked bags. Laptop, iPad, cellphones, battery bank, even my camera
batteries. But that may have been related to the fact that it was an
11 hour flight over the ocean.
I've got two old batteries for my EM5-mk2 that I've replaced. They're
all swollen. I might go charge them up and do a fireworks display out
in the middle of the street.
AG
On Fri, May 22, 2026 at 7:48 PM David Taylor via olympus
<olympus@xxxxxxxxxxxxxxxxx> wrote:
>
> I think you need to check the specific airlines for their policy.
>
> And there are rules about using them on board. For example Singapore
> Airlines allows up to 100WHr (typically 20k) but cannot use or charge it on
> board, and not to be put in an overhead locker.
>
>
> David
>
>
> On 23 May 2026 10:02:48 am John Ockman via olympus
> <olympus@xxxxxxxxxxxxxxxxx> wrote:
>
> > The biggest you are allowed on a plane I believe is 10k or smaller.
> >
> > On Fri, May 22, 2026, 17:53 MICHAEL GORDON via olympus <
> > olympus@xxxxxxxxxxxxxxxxx> wrote:
> >
> >> Will be in some remote areas In Kyrgyzstan in July. I have smallish
> >> power bricks for a phone. We may not be able to recharge for 48 hours or
> >> so . I have 1 spare camera battery for each cam and will bring an OM cam
> >> too—- (on topic and no battery worries) I’m thinking a larger power brink
> >> (?Anker) might be advisable for phone and recharge cam batteries if need
> >> be. Carry on limitations seem to apply and max size ones look a tad
> >> heavy.
> >>
> >> Mike
> >>
> >>
> >>
> >>
> >> --
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