Look at the maximum current that will pass through the shunt, and then buy one just larger than that. For instance, if your charger can charge at 15A you need a 20A shunt.
On Wed, Aug 30, 2017 at 11:28 AM, Ryan Ray <[email protected]> wrote: > How would you properly spec out a shunt given a certain number of > batteries? > > On Wed, Aug 30, 2017 at 8:39 AM, Adam Moffett <[email protected]> wrote: > >> it puts out so many millivolts depending on how many amps are moving >> through it, so with a volt meter you can monitor what your load is. >> >> ------ Original Message ------ >> From: "Steve Jones" <[email protected]> >> To: "[email protected]" <[email protected]> >> Sent: 8/30/2017 11:36:38 AM >> Subject: Re: [AFMUG] Cost effective battery charging and monitoring device >> >> what does the shunt do in this case? >> >> On Wed, Aug 30, 2017 at 10:26 AM, Adam Moffett <[email protected]> >> wrote: >> >>> Yeah, up to 10 amp. >>> >>> >>> ------ Original Message ------ >>> From: "Chuck McCown" <[email protected]> >>> To: [email protected] >>> Sent: 8/30/2017 11:18:36 AM >>> Subject: Re: [AFMUG] Cost effective battery charging and monitoring >>> device >>> >>> I think Forrest has them on his site with the site monitors. >>> >>> *From:* Sam Lambie >>> *Sent:* Wednesday, August 30, 2017 9:15 AM >>> *To:* [email protected] >>> *Subject:* Re: [AFMUG] Cost effective battery charging and monitoring >>> device >>> >>> Parallel. Site Monitor! Now where can I get a shunt? >>> >>> On Wed, Aug 30, 2017 at 9:09 AM, Chuck McCown <[email protected]> wrote: >>> >>>> 4 batts in series or parallel? >>>> Shunt + sitemonitor would be a better way to go and you don’t have to >>>> write code. >>>> >>>> *From:* Sam Lambie >>>> *Sent:* Wednesday, August 30, 2017 9:06 AM >>>> *To:* [email protected] >>>> *Subject:* [AFMUG] Cost effective battery charging and monitoring >>>> device >>>> >>>> Hey all, >>>> I am getting away from using APC at a couple of our sites and right now >>>> I have installed a Tripp-Lite APS750 connected to 4 Deep cycle marine >>>> batteries for a total of 404 aH system. I'd like to be able to monitor the >>>> discharge rate of the batteries when power is out remotely. What have you >>>> guys been doing to that effect? >>>> >>>> I'm thinking a Pi and a shunt and some quick scripting classes on >>>> Python to put it all together... >>>> >>>> -- >>>> -- >>>> *Sam Lambie* >>>> Taosnet Wireless Tech. >>>> 575-758-7598 <(575)%20758-7598> Office >>>> www.Taosnet.com <http://www.newmex.com> >>>> >>> >>> >>> >>> -- >>> -- >>> *Sam Lambie* >>> Taosnet Wireless Tech. >>> 575-758-7598 <(575)%20758-7598> Office >>> www.Taosnet.com <http://www.newmex.com> >>> >>> >> > -- *Forrest Christian* *CEO**, PacketFlux Technologies, Inc.* Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 [email protected] | http://www.packetflux.com <http://www.linkedin.com/in/fwchristian> <http://facebook.com/packetflux> <http://twitter.com/@packetflux>
