In general, if the capacity is greater than that from a respected manufacturer as listed on their own web site then what is printed on the side of the battery is likely to be a lie.
In general, if the capacity is greater than that from a respected manufacturer as listed on their own web site then what is printed on the side of the battery is likely to be a lie.
Yup, it is not uncommon to see ads on ebay etc claiming capacities 3x higher than the best available from the premium brands.
There are some good comparisons here:
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