Originally Posted by
groundbum
Just seen this on an Ebay item description for a portable battery bank, you know that you use to keep your phone battery topped up. The rating in the ad is 500,000mAH!
Don't worry about it. The stated capacity is clearly fake.
They say you can fully charge it in 10-12 hours with a USB--cable, so that would limit the capacity of the batterypack to around 24,000 mAH. Judging from the size of it, maybe even just 50% of that.😆