The E-bike Battery from the factory to usage, generally after 1-2 months, or even longer time, the battery self discharge during storage due to spontaneous reaction inside the cell, consume part of power, the rated capacity is not up to the initial value. So it is best to use before charging, in order to avoid customer mistaken for lack of capacity.
Linktosun is E-bike Battery Manufacturer for many years in China, there are 24V, 36V, 48V, anyone you want, please feel free to contact us.