Sofirn 21700 4000mAh = ?

um…just found this on its C8F page on amazon. can someone make sense of this? how can it be 0.2C??? its a 4000mah battery, that would make it 0.8A, wtf?

nobodody knows the oem of battery sofirn?

well 5000mah 26650 are PLB, thats about it, nobody knows the rest lol