Peukert's formula, T = C / In (or C = T * In), where C is theoretical capacity (in amp-hours, equal to actual capacity at one amp), I is current (in amps), T is time (in hours), and n is the Peukert number for the battery.
http://www.csgnetwork.com/batterylifecalc.html This? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Jun 13, 2016 at 6:18 PM, Sterling Jacobson <sterl...@avative.net> wrote: > Been reviewing my site capacity/UPS/Batteries. > > Our Alpha's have a Peukert Number to help identify and tweak capacity in > remaining amp hours. > > Can someone give me the short of this calculation? > > That is, if I have four 12v batteries run in series that are 75AH each? > > >