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What can cause battery drain on the Engage devices?

Here are some troubleshooting you can do for battery drain: 

  • Shorts in wiring
    • Ribbon cable
    • Battery Power line
  • Intermittent battery connection
    • Bent connector pin
    • Reversed polarity of Battery
  • Device FW, check that it is at the latest version
  • Battery Pack Current Measurement (current shunt resistor, or insert meter in current mode)
  • Reader excessive reader wake up (investigate Possible FW issues)

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