A friend's Motorola Moto G (titan) on Android 5.0.2 (Stock) shows this really weird battery graph. Does anyone know what's going on here or how to fix it? Moto G buggy battery graph

  • Further explain what his configuration was. What apps does he have installed? Does he charge/swap batteries often? Is he rooted? – Aaron Gillion Feb 20 '16 at 0:05
  • Stock, unrooted, battery not swappable, normal charge/discharge cycle – Lorenz Feb 20 '16 at 0:07
  • No special apps, just Gapps, Motorola defaults and a few standard apps (WhatsApp, K-9 Mail, ...) – Lorenz Feb 20 '16 at 0:09

Since he is stock, unrooted, and non-swappable battery, he may have a faulty battery!

Every battery has a built-in circuit that reports its charge, temperature, and stability. That's why every smartphone battery has 3 or 4 prongs (contact points), rather than just the 2 for positive and negative. Best case scenario his percentage is just reporting incorrectly, worst case he may have an unstable cell that could combust. I would recommend looking up disassembly videos for the phone, and replacing the internal battery if it is accessible.

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