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calculating battery runtime calculating battery runtime:


After calculating the average mA power draw of a radio, just divide the battery's advertised mAh capacity by
the radio's mAh draw to get the runtime in hours.

my tested average power draws:


Heltec V3: 193mAh  (13 hours on 2500mAh)

Heltex Wireless Tracker: 287mA  (8.7 hours on 2500mAh)



steps to calculate runtime



last updated 12/01/2025 at 07:56:35 by make_www_index.command version 2025.11.05.A