Oh you're complicating the question...I think. The capacity from one 75ah is simply quadrupled in your case. You have 300ah. When you add another (identical) battery you're adding capacity/runtime linearly.
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Jun 13, 2016 at 6:23 PM, Sterling Jacobson <[email protected]> wrote: > Yeah, the Alpha will calculate this, but I need to know how to calculate > Peukerts Number. > > Or if I’m just running a simple series of four 12v for 48 volts is 1.1 > just the default I should use? > > > > Do I add up all the four 75ah ratings per battery and use that as the > rated battery capacity number at 300ah? > > > > *From:* Af [mailto:[email protected]] *On Behalf Of *Josh Luthman > *Sent:* Monday, June 13, 2016 4:20 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] Peukert Number > > > > 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 <[email protected]> > 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? > > >
