Why is battery of my newly-bought Yunzi running low?

Usually, a brand new Yunzi in mint condition is on sleep mode with battery power not less than 95%. Currently, we estimate battery power using voltage measurement and estimate remaining power using battery discharge curve. The following chart is a typical battery discharge curve:

Upon working, battery voltage lowers little rapidly—this is why a new Yunzi soon shows on its screen around 80% battery power, but actually it cost not so much power.

After Yunzi processes large-power-consumption procedures (e.g. firmware upgrade), its battery voltage will decrease. After a short break, the voltage will recover, thus the shown battery power will slightly increase too.

If the battery power is too low upon unpacking, please contact our customer service department


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