Battery Calculations and Voltage Drops For Fire Alarm Design

So far I have found a great Voltage drop table file for when I do fire alarm drawings in Cad.
Same site also has a battery calculations table and excel file.
Of course each fire alarm parts company offers some sort of tool. but not one person has pressed out a fire alarm battery calculations LSP file. and well that kind of frustrates the heck out of me.
I have tried a few times to build one but failed. Plus I work so much I really haven’t the time to build an LSP that does actual calculations.
but the excel file or table are just fine.
So if anyone knows of a battery calculation lsp file for autocad
Please respond to this thread.

I would be quite thankful.
Houston fire alarm guy

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