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When you buy cheap junk from a foreign country then how do you know if it is used or is new? How do you know if the capacity claim is true or is false?
For a reference check this website. The owner buy and test various 18650 battery cells. even between different products of a brand sometimes there are significant difference.
The battery tests are excellent.
But how do you know if the battery is real or is a fake?
But how do you know if the protection circuit is real or is simply a photo of a protection circuit?
I have a solar/battery powered calculator. The solar cell is simply a photo of a solar cell.
For a reference check this website. The owner buy and test various 18650 battery cells. even between different products of a brand sometimes there are significant difference.
The many batteries tested do not have a capacity anywhere near this one's rated 6000mAh.
It is VERY CHEAP, is sold on E-Bay and is shipped from Hong Kong so it might be fake.
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