>>3742638>Why do folks always recommended this oneThe standard batteries are a peace of mind. They are super cheap to replace if anything happens to them.
The Lithium ion batteries are expensive, they are a bad match for hobbyists who only shoot occasionally, and it becomes a chore because the battery needs to be regularly maintained and charged to 75% to keep them in ideal condition.
Compared to that chore, you don't even have to think about the well being of your super cheap standard batteries.
In addition, those standard batteries can be used for other devices while you're not using the Flash.