In an earlier contribution to this discussion,
Sheila wrote:

apologies as this is not exactly DIY.

My mum wants some light at the far end of her garden to assist her
when she walks her dogs of an evening. Doesn't have to be a lot of
light, just a glim to see the dogs by.
Their last walkies is around midnight to 1am, so some light would be
needed for 8-9 hours at this time of year.
Would 'push in the ground solar lights' be up to the job?

No - total waste of time!

They're just about ok in the summer when there's a lot more daylight than
darkness - but even then, they're a bit like tame glow-worms!

At a rough estimate, they need 2 or 3 hours of good daylight for every hour
of light output. So you would need at least 24 hours daylight per day to
provide your 8 hours of light!

Now, if you lived in the land of the midnight sun . . . you wouldn't need
them at all!g
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Cheers,
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