cat /proc/asic/battery
Battery Monitor
  Voltage                        : 3916 mV
  Active current                 : -372 mA
  Accumulated current            : -3281 mAh
  Temperature                    : 32.125 deg C
Local calculations
  Local TAD                      : 1016870
  Last ACR update value          : -9684
  Is learning?                   : no
  DS2760 updates                 : 1452
  Full level                     : 1275 mAh
  Derated full level             : -1287215 mAh
  Empty level                    : 4 mAh
  Percentage                     : 0
  Lifetime                       : 0 min