dead solar light came alive . how ?

[icantchooseone]

we had a solar light in the passage . its been dead for weeks . before it died it was on during the day .

tonight its on full bright

any theories ?

looks similar to this https://www.amazon.co.za/AIYI-Ceili...ystalline/dp/B0FXMVMQQW/ref=asc_df_B0FXMVMQQW

 

[Cray]

Judging by your avatar, my money is on ghosts.