EverTag Battery & Energy Calculator

Scenario

Device Role

Positioning interval - idle

Positioning interval - moving

Beaconing interval

Set to 0 to disable beaconing Movement intensity (%) 50% moving

Advanced constants

Battery capacity (C) Coulombs in battery Base current (C/s) Depends on role: Tag or Anchor Positioning charge - idle (C) Coulombs per positioning while idle Positioning charge - moving (C) Coulombs per positioning while moving Beacon charge (C) Coulombs per beacon

Results

              –
              months
            
– years
EverTag • Tag • 60s positioning • 2s beacon

Monthly consumption

Base

– C

Positioning

– C

Beaconing

– C

Total

– C

Quick compare (same positioning)

Beacon interval	Monthly C	Battery life (months)	Battery life (years)

Battery life vs movement intensity

Battery shelf discharge is typically less than 1% per year with shelf life rated up to 10 years. Base current equals "Base consumption (C/s)". Positioning and beacon charges are Coulombs per event. Month length fixed to 30 days.