I add here some links, some other people also have had not so good results:
https://budgetlightforum.com/t/-/5969#comment-133761
https://budgetlightforum.com/t/-/5969?page=1#comment-141319
Here's the cap for my first pair:
https://budgetlightforum.com/t/-/4092#comment-104879
...and here for the second 2x pair:
https://budgetlightforum.com/t/-/6503#comment-151375
Check a couple of posts below. Most astonishing thing was, they could not deliver more than 3 Amps even with a full charge and direct drive light (First pair was over 4A!!).
edit: and yes, the first pair was GREAT replacement for a bit too long Xtars. I was an idiot selling that pair away with STL-V2 :(