well according to my caluations on the www.sunwize.com website I will need 29 batteries to run 24x7 365 day. This is to AP's and a BH with two amps and a switch..
Quoting Mark Koskenmaki <[EMAIL PROTECTED]>: > 18W @ 12V = 1.5A > > 1.5A X 24 hours a day = 36 Amp Hours usage daily. > > Since generally, lead-acid cells should not be discharged over 50%, to > maintain maximum life, you would need a 72AH battery, for a single day > backup. > > Also, since in the winter, your sun hours are shorter - perhaps as low as 4 > (up north) or 6 (southern US... remember, it isn't just when the sun is > shining, it's when the sun is shining directly on the panels that counts) > you have to divide that 36 AH by your available sun - 4 hours. So, just > to > keep up with 18 W usage, you need at least 9A in full sun, or about 150 - > 170 watts. > > Solar panels are rated at 17-18 volts, not at 12. So, a 70 watt panel > puts > out a bit over 4 A, regardless of voltage, so long as it's less than 17. > > Unless you live where the sun shines 365 days a year, you will need the > battery reserve capacity to last through any expected sunless time (I plan > on 5 days for here), and sufficient solar panel power to recover that > discharge in a reasonable amount of time. > > Thus, for a single 1.5 A continuous load, I would want 200 to 275 W of > solar > panels, and 400 amp-hours of battery capacity. > > You may not need anywhere near that... or you may need more. > > > > NEOFAST.NET > North > East > Oregon > FAST > Net > mark(at)neofast.net > ----- Original Message ----- > From: Blazen Wireless <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Sunday, October 19, 2003 6:55 PM > Subject: Re: [smartBridges] POwer consumption of new XO??? > > > > huh? so what does that give me Amps per hour?? 1.5Ah > > > > > > ----- Original Message ----- > > From: "Kevin Proctor" <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Sunday, October 19, 2003 11:45 AM > > Subject: RE: [smartBridges] POwer consumption of new XO??? > > > > > > Divide the 18 watts by the output voltage of the wall wart to get your > > current draw. > > > > Kevin B. Proctor > > Customer Service > > Internet and International Orders > > Electro Comm Distributing Inc > > 5015 Paris St > > Denver CO 90239 > > USA > > > > Phone: +1-303-371-8182 > > 800-525-0173 > > FAX: +1-303-371-8158 > > 800-423-8018 > > [EMAIL PROTECTED] > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of Martin Moreno > > Sent: Sunday, October 19, 2003 12:05 AM > > To: [EMAIL PROTECTED] > > Subject: [smartBridges] POwer consumption of new XO??? > > > > Reading the specs it says 18 watts is this correct? this seems WAY to > > high when > > compared to the APPO at aprox 350ma 1 amp of current draw???? trying to > > put > > specs togetehr for my solar project.. > > > > > > > > Thanks > > > > > > > > Martin Moreno > > Blazen Wireless > > > > www.blazenwireless.com > > ----------ANNOUNCEMENT---------- > > Don't forget to register for WISPCON IV > > http://www.wispcon.info/us/wispcon-iv/wispcon-iv.htm > > > > The PART-15.ORG smartBridges Discussion List > > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > > smartBridges <yournickname> > > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe > > smartBridges) > > Archives: http://archives.part-15.org > > > > ----------ANNOUNCEMENT---------- > > Don't forget to register for WISPCON IV > > http://www.wispcon.info/us/wispcon-iv/wispcon-iv.htm > > > > The PART-15.ORG smartBridges Discussion List > > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > > smartBridges <yournickname> > > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe > > smartBridges) > > Archives: http://archives.part-15.org > > > > > > ----------ANNOUNCEMENT---------- > > Don't forget to register for WISPCON IV > > http://www.wispcon.info/us/wispcon-iv/wispcon-iv.htm > > > > The PART-15.ORG smartBridges Discussion List > > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > smartBridges <yournickname> > > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe > smartBridges) > > Archives: http://archives.part-15.org > > > > > > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.528 / Virus Database: 324 - Release Date: 10/16/03 > > ----------ANNOUNCEMENT---------- > Don't forget to register for WISPCON IV > http://www.wispcon.info/us/wispcon-iv/wispcon-iv.htm > > The PART-15.ORG smartBridges Discussion List > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges > <yournickname> > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe > smartBridges) > Archives: http://archives.part-15.org > Martin Moreno Blazen Wireless 909-326-5003 www.blazenwireless.com ----------ANNOUNCEMENT---------- Don't forget to register for WISPCON IV http://www.wispcon.info/us/wispcon-iv/wispcon-iv.htm The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org
