Nokia BL-4D battery pinout

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This is the pinout of Nokia BL-4D battery. GND - BSI resistance: 100 kOhm.

Nokia BL-4D battery pinout

Abbreviations[edit]

  • GND - Ground
  • BSI - Battery Size Indicator
  • VBAT+ - Battery positive terminal
  • BTemp - Battery temperature (optional)

See also[edit]