Hey guys I was wondering how do you tell is time to change da battery? 
Cuz I saw a green indicator on the battery itself (I guess it is)??
Is it showing the battery level? Cuz i have this battery almost 1.5 years

Thx guys~

Cuz I saw a green indicator on the battery itself (I guess it is)??
Is it showing the battery level? Cuz i have this battery almost 1.5 years

Thx guys~

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