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M**.
WARNING: this is only 12000 mAh (not 40000 mAh as claimed)! Blatant false advertising!!
This battery pack is roughly the same size/weight as all my other 26800 mAH battery packs. I don't see how it can physically be 40000 mAh as claimed, unless there has been some incredible breakthrough on batteries that I have not heard of. I will test it with a USB power discharge meter and report back and likely will have to return this.Update 8/29/2020: I completed my simple USB load tester, and this battery has awful capacity, far far lower than the advertised 40000 mAH: 11994 mAH. That's ~ 30% of what was claimed.This is a counterfeit product and Amazon should pull the listing ASAP. I am returning mine now.
Trustpilot
4 days ago
1 week ago
