None of the reviews are bad.
Indeed.
Since Amazon is handling the fulfillment, it'll be easy to return if you don't receive the product in the listing. But that's very unlikely, as it's stocked in an Amazon warehouse and recent reviews confirm...
DJI batteries automatically discharge over time to protect themselves from staying fully charged for long periods, which isn't good for the type of batteries DJI uses.
It's important to understand the difference between charging batteries for...
Yes, it's fine to do that for battery maintenance when they aren't currently being used.
Some people like to keep their batteries ready to fly at any time, so they get into the habit of fully charging the same ones every couple of days without...