The title says it is "five 3.7v 400mAh lithium batteries including one charger." The other letter and number combos must be different brand's numbering for this type - looking for h99 battery, h31 battery etc returns these type. The later part says it "applies to rotorcraft airplane model drone battery spare parts"
An equivalent English listing would be something like this
https://www.amazon.com/sea-jump-Lithium-...B07SLLVQ2Q
An equivalent English listing would be something like this
https://www.amazon.com/sea-jump-Lithium-...B07SLLVQ2Q
I have a website where I have been writing about and photographing many of the sets and pieces that I find interesting.