Incorrect data about the charge of the lock M521

[VikeDragon]

Greetings! The M521 lock works correctly, but 100% of the battery charge is constantly transmitted, even when the Where shows 35%. Please use the code to check the transmission of the battery level, because for the M521 it is necessary to track this props. The lock is reinforced and consumes a charge.

[goberhammer]

I've an M531 and the battery information is wrong even in the official WeHere app, it's always at 100%.