QUICK NAV:
Galvanic Anode Life
* Energy capability is based on an efficiency of 95% for zinc, 85% for aluminum, and 50% for magnesium
Formula Used:
![](https://cpdesigncenter.com/wp-content/uploads/2021/04/formula_anode_life.gif)
Where
L = years of life
W = anode weight in lbs
C = energy capability in amp-hrs per lb
I = current output in amperes
U = utilization factor as a decimal
8760 = hours in 365 days
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