Digital Matter Support

Remora Battery Testing Summary

The Remora tracking unit uses 4 x “C” cell batteries. The circuitry is designed to handle battery cell voltages from 1.5V to 3.6V. This allows the Remora to operate off a range of primary cells including low cost Alkaline batteries and top of the range Lithium-Thionyl-Chloride batteries for longer battery life and operations in extreme temperatures.

Predicting the battery life is quite difficult, due to the wide range of operating conditions.

  • The battery life is affected by: 
  • The type and quality of batteries used 
  • The type of modem (2G, 3G, LTE), and the average signal strength 
  • The average GPS signal strength available when installed 
  • The average temperature of operation 
  • The operating mode (periodic, GPS based tracking, accelerometer based tracking) 
  • The particular configuration of that mode 
  • The level of asset activity (trip quantity and length, loading / unloading jostling) 

To help inform the battery life prediction and evaluation process, many discharge tests have been performed, and approximate battery cost constants extracted.

Please see the attached document for more information.

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