[RE-wrenches] Programmable Battery Charger
jay peltz
jay at asis.com
Mon Dec 15 17:51:13 PST 2014
Hi Kirk,
If you use a 200vdc midnight CC you'll have no issues.
When you rectify 120vac its up around 166vdc
( uses the peak vac which is around 170vac.)
For a 150vdc max controller ( midnite 150) or a 144vdc ( outback FM) then a buck transformer or standard transformer is the trick to reduce the AC and hence the DC for these lower voltage units.
jay
peltz power
On Dec 15, 2014, at 5:38 PM, Kirk Herander wrote:
> This has been discussed on this list in years past. It is possible to use an outback charge controller as a battery charger. You need to put the 120 AC into a bridge rectifier, then feed the 120 DC into the controller’s PV input. So you’ll have an 80 amp battery charger.
>
> Kirk Herander
> VT Solar, LLC
> Proven PV provider since 1991
> www.vermontsolarnow.com
> dba Vermont Solar Engineering
> NABCEPTM Inaugural Certificant
> VT RE Incentive Program Partner
> 802.863.1202
>
> From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Dan Tittmann
> Sent: Monday, December 15, 2014 8:18 PM
> To: info at windsine.org; RE-wrenches
> Subject: Re: [RE-wrenches] Programmable Battery Charger
>
> You can manually adjust Iotas with tweaking the potentiomiters while monitoring it with a god volt meter. But no time adjustment.
> Daniel
>
>
> Daniel Tittmann
> CTO
> Greenwired
> www.greenwired.com
> daniel at greenwired.com
> 707-923-2001 (office)
> 707-206-5088 (Cell)
>
> On Mon, Dec 15, 2014 at 4:21 PM, Windsine Inc. <windsine at gmail.com> wrote:
> Check out Argus Technologies.
>
> RoyR
>
> On Dec 15, 2014 4:01 PM, "Larry" <larry at starlightsolar.com> wrote:
> Wrenches,
>
> Does anyone know of a 120/12 volt battery charger that can be programmed for absorb and float voltage and time in absorb mode? I have been needing this product for many years but I can only find it in inverters with built in chargers from Magnum, Outback, and Xantrex.
>
> --
> Thank you,
>
> Larry Crutcher
> Starlight Solar Power Systems
>
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