I'm looking for information on this SMD aluminium capacitor:
On top of this one : 9h - 100 - ELA
What is the equivalence?
More than likely its a 100 uF 25 volt type
The "LA" part may be the manufacturer's series ID number
The "9h" may be some form of data code or lot number.
See also this variant that says roughly the same: -
Image from here.