That would be the issue!
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Jun 13, 2016 at 6:37 PM, George Skorup <geo...@cbcast.com> wrote: > Uh. I think you have series and parallel backwards. > > On 6/13/2016 5:31 PM, Josh Luthman wrote: > > If you wire 4 batteries in series that's 12v =) > > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > On Mon, Jun 13, 2016 at 6:27 PM, George Skorup <geo...@cbcast.com> wrote: > >> Does not compute. If he's running four 75ah batteries in series to get a >> 48VDC battery, then he gets 75Ah. >> >> On 6/13/2016 5:24 PM, Josh Luthman wrote: >> >> 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 < >> <sterl...@avative.net>sterl...@avative.net> 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:af-boun...@afmug.com] *On Behalf Of *Josh Luthman >>> *Sent:* Monday, June 13, 2016 4:20 PM >>> *To:* af@afmug.com >>> *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> >>> 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? >>> >>> >>> >> >> >> > >
