RE: [Repeater-Builder] Battery system for portable repeater (non solar)

2010-01-31 Thread Mike Morris WA6ILQ
At 12:47 PM 01/30/10, you wrote: >Hi Mike, > >We're using a Kenwood TKR-720. The price was >right (we had it on hand), it's relatively compact, & >does what we need it to. Older technology, with >the front panel controller, etc. You know of a >way to reduce the current?Did remove the >+ fro

RE: [Repeater-Builder] Battery system for portable repeater (non solar)

2010-01-30 Thread Stanley Stanukinos
ankup tower to extend the antenna a little higher up and then you could mount solar panels to the unit and charge/recharge the batteries all the time.   Stan --- On Sat, 1/30/10, Tim Ahrens wrote: From: Tim Ahrens Subject: RE: [Repeater-Builder] Battery system for portable repeater (non sola

RE: [Repeater-Builder] Battery system for portable repeater (non solar)

2010-01-30 Thread Tim Ahrens
Hi Mike, We're using a Kenwood TKR-720. The price was right (we had it on hand), it's relatively compact, & does what we need it to. Older technology, with the front panel controller, etc. You know of a way to reduce the current?Did remove the + from the audio amp & got it down to 300ma, b

RE: [Repeater-Builder] Battery system for portable repeater (non solar)

2010-01-30 Thread Mike Morris WA6ILQ
At 09:24 PM 01/29/10, you wrote: >I'll look into the AGM bats - the rptr draws about 450 >mA in RX, and about 4A in TX. What do you have in that portable repeater that draws almost half an amp in receive? >Getting a Pelican case for the repeater & cables, but >not sure how to make the battery tr

RE: [Repeater-Builder] Battery system for portable repeater (non solar)

2010-01-29 Thread Tim Ahrens
Hi Eric/all, It is on a totally different frequency, and licensed as a mobile - within a 24km radius around the center of our district. All the fire repeaters in the county have the same output & input frequencies, just have different input PLs. Kind of a pain to go to direct with some older rad

RE: [Repeater-Builder] Battery system for portable repeater (non solar)

2010-01-29 Thread Eric Lemmon
Tim, The ideal battery that will not boil off electrolyte is a VRSLA (Valve Regulated Sealed Lead Acid) unit with AGM (Absorptive Glass Mat) design. Provided that the charging voltage remains within the tolerances specified by the battery manufacturer, it will never run dry. That's because the hy

Re: [Repeater-Builder] battery

2009-12-05 Thread Frederick Bray
Providing some type of venting or air circulation for AGM batteries in confined spaces is probably a good idea. It seems to be done in vehicles where the battery is mounted in the trunk. While AGM batteries don't usually produce gas, they can under some conditions. Recently, I had to replace

RE: [Repeater-Builder] battery

2009-12-05 Thread Michael Ryan
Thanks Marvin for restating my point. - Mike From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Marvin Munster Sent: Wednesday, December 02, 2009 3:39 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] battery Hi Guys

Re: [Repeater-Builder] battery

2009-12-05 Thread Marvin Munster
I have to agree with Paul. Yellow top batteries are not all they are cracked up to be, however they should have worked, maybe not just as long. I like his choice of the AGM BA-UB-GC-2 golf cart batteries even though they are relatively expensive. I used 24 of them coupled into 6 parallele

Re: [Repeater-Builder] battery

2009-12-05 Thread Marvin Munster
Hi Guys, Why not use AGM batteries and reduce the explosion problems. They can be mounted in any position and do not have need for water filling or venting applications, however I would recommend they not be sealed in a box and have some slight venting. There is some good battery informati

RE: [Repeater-Builder] battery

2009-12-02 Thread Michael Ryan
IES. '73, Mike -Original Message- From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of rman09876 Sent: Wednesday, December 02, 2009 8:10 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] battery The red top optima

Re: [Repeater-Builder] battery

2009-12-02 Thread rman09876
> - Mike > > *From:* Repeater-Builder@yahoogroups.com > [mailto:repeater-buil...@yahoogroups.com] *On Behalf Of *TGundo 2003 > *Sent:* Wednesday, December 02, 2009 4:00 PM > *To:* Repeater-Builder@yahoogroups.com > *Subject:* Re: [Repeater-Builder] battery > > >In the past, I

Re: [Repeater-Builder] battery

2009-12-02 Thread W9SRV
mabatteries.com/ - Mike From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of TGundo 2003 Sent: Wednesday, December 02, 2009 4:00 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] battery >In the past, I have used marine

RE: [Repeater-Builder] battery

2009-12-02 Thread Michael Ryan
: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of TGundo 2003 Sent: Wednesday, December 02, 2009 4:00 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] battery >In the past, I have used marine type battery boxes for ra

Re: [Repeater-Builder] battery

2009-12-02 Thread TGundo 2003
>In the past, I have used marine type battery boxes for radio installations >>and I usually vented it outside by cutting a hole in the battery box top >and >affixing a flexible vent line to the outside.  This is what I was thinking of doing. Glad to see someone else had the same idea. Than

RE: [Repeater-Builder] Battery Desulphator for deep cycle batteries

2009-02-26 Thread Eric Lemmon
Tom, A battery that has sulphated is damaged, and can rarely be returned to 100% capacity, regardless of advertizing hype. Unless the battery is for a low-risk application, such as a trolling motor or golf cart, turn it in to a recycler and buy a new battery that you can depend upon. 73, Eric Le

Re: [Repeater-Builder] Battery Desulphator for deep cycle batterys

2009-02-26 Thread Doug Bade
Tom; I would use a dedicated charger and management device by one of the solar vendors, such as Xantrex or Morningside, as they are priced at consumer ( more or less ) pricing and competitive vendors.. and are some pretty well designed stuff... Many of them have internal de-sulphate processes

RE: [Repeater-Builder] Battery back up

2008-04-02 Thread ka9qjg
Thanks to everyone for all the Helpful info; I have enough now to make a intelligent Decision on how to approach the project Thanks Don KA9QJG

Re: [Repeater-Builder] Battery back up

2008-04-02 Thread Mike Morris WA6ILQ
At 03:28 PM 04/02/08, you wrote: >Well I know I will sound like an Idiot asking this 3 part Question, >But I have been called worse > >I have a 60 amp Astron with the Battery Back option that requires a >50 amp fuse on the Battery side. Watch out for those BB series Astrons. The charger is just

RE: [Repeater-Builder] Battery back up

2008-04-02 Thread Jack Hayes
Marine supply places. Since selling the boat, I buy stuff for my RV at West Marine. Great stuff and the price is usually right. MikeDeWaele <[EMAIL PROTECTED]> wrote: Try your local RV dealer. They have large size buss fuses that go between the battery and t

RE: [Repeater-Builder] Battery back up

2008-04-02 Thread ke4eue
-Builder@yahoogroups.com Subject: RE: [Repeater-Builder] Battery back up Try your local RV dealer. They have large size buss fuses that go between the battery and the trailer power converter box. Mike KA2NDW -Original Message- From: Repeater-Builder@yahoogroups.com [mailto:[EMAIL

RE: [Repeater-Builder] Battery back up

2008-04-02 Thread MikeDeWaele
Try your local RV dealer. They have large size buss fuses that go between the battery and the trailer power converter box. Mike KA2NDW -Original Message- From: Repeater-Builder@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of ka9qjg Sent: Wednesday, April 02, 2008 6:28 PM To

Re: [Repeater-Builder] Battery back up

2008-04-02 Thread Chuck Kelsey
The easiest loss-of-power alarm is a wall wart connected to an alarm input on your controller. Chuck WB2EDV - Original Message - From: ka9qjg To: Repeater-Builder@yahoogroups.com Sent: Wednesday, April 02, 2008 6:28 PM Subject: [Repeater-Builder] Battery back up Well I

Re: [Repeater-Builder] Battery back up

2008-04-02 Thread Chuck Kelsey
Your auto parts store will have all kinds of self-restoring 12-volt circuit breakers. Chuck WB2EDV - Original Message - From: ka9qjg To: Repeater-Builder@yahoogroups.com Sent: Wednesday, April 02, 2008 6:28 PM Subject: [Repeater-Builder] Battery back up Well I know I

Re: [Repeater-Builder] battery backup board for micor power supply?

2008-02-25 Thread Maire-Radios
, 2008 9:35 PM Subject: Re: [Repeater-Builder] battery backup board for micor power supply? You are looking for a TPN-1106 power supply. There is no battery back-up option for the TPN-1110 PS. Hope this helps, and 73, Kevin, K9HX At 06:26 PM 2/24/2008, you wrote: Is there such a

Re: [Repeater-Builder] battery backup board for micor power supply?

2008-02-24 Thread Scott Zimmerman
There is none that I know of. The battery backup option was usually provided in the power supply, NOT the station chassis itself. On several that I have done that need battery backup, I have attached a 7809 9V regulator with a 1N4001 diode in series with the ground terminal to boost the voltage

RE: [Repeater-Builder] Battery backup

2007-01-10 Thread no6b
At 1/9/2007 20:52, you wrote: >Danny, >If your power supply has any kind of "crowbar" device in its output >circuitry, it is a good idea to have a Schottky diode (not a regular silicon >diode) between the power supply and the battery, with the radio connected >directly at the battery. This will

RE: [Repeater-Builder] Battery backup

2007-01-09 Thread Eric Lemmon
Danny, If your batteries are flooded wet cells, as distinct from sealed (VRSLA or AGM) types, you should take care to vent them to the outdoors. Wet cell batteries also require regular monitoring for electrolyte levels and specific gravity. If your power supply has any kind of "crowbar" device i

Re: [Repeater-Builder] Battery backup

2007-01-09 Thread Mike Morris WA6ILQ
At 07:31 PM 01/08/07, you wrote: >Hi, > >New member here. Thanks for allowing me to join. >Our club has acquired some large lead-acid 12v batteries we would like >to use to back up our repeater in emergency situations. Does anyone >know of a good (but simple and inexpensive [we are a very small g

Re: [Repeater-Builder] Battery backup

2007-01-09 Thread w5zit
A really simple circuit that I have used in a couple of repeaters uses three power diodes and a resistor. Select diodes that will carry the repeater load at about 50% of their rating. Place one diode in series with the power supply to the repeater. This one keeps the voltage from backing up int

Re: [Repeater-Builder] Battery backup

2007-01-09 Thread Phil
what equipment are you using now? astron makes a automatic switch (it automagicly switches from AC to DC with loss of AC) there are a couple other makers, I'm sure. you'll also have to consider battery charger(s) too. wm5c <[EMAIL PROTECTED]> wrote: Hi, New member here. T

Re: [Repeater-Builder] Battery load Bank

2006-04-29 Thread Brett
Hi John. I am very interested in building a load bank. Can your manual be scanned. Cheers from OZ. Banjupb - Original Message - From: John J. Riddell To: Repeater-Builder@yahoogroups.com Sent: Sunday, April 30, 2006 1:35 AM Subject: [Repeater-Builder] Battery l

RE: [Repeater-Builder] Battery Back-up Question

2006-02-13 Thread Eric Lemmon
Kevin, I suspect that you have lead-acid wet cells, which emit corrosive vapors and hydrogen gas when charging. Be very careful to enclose these cells in containers that are vented to the outside air. Normally, one would use sealed, nonspillable cells for such duty. Your rough calculations are

Re: [Repeater-Builder] Battery Back-up Question

2006-02-13 Thread Doug Zastrow
oug Zastrow To: Repeater-Builder@yahoogroups.com Sent: Tuesday, February 14, 2006 1:40 AM Subject: Re: [Repeater-Builder] Battery Back-up Question Kevin,   Before I take a stab at this could you give me a rough estimate of the physical size of

Re: [Repeater-Builder] Battery Back-up Question

2006-02-13 Thread Kevin & Natalia
Subject: Re: [Repeater-Builder] Battery Back-up Question Kevin,   Before I take a stab at this could you give me a rough estimate of the physical size of the battery?  Where I'm headed with this is I'm trying to ascertain if your cells are truly rated at 460 amperes for a

RE: [Repeater-Builder] Battery Back-up Question

2006-02-13 Thread N9WYS
Kevin, Given a power consumption of 10A, 460Ah batteries will give you about 46 hours of stand-by use... The formula I used was: (available) 460Ah / 10A (consumption) = 46 hrs (time) Whether the "over 10 hours" affects the equation I'm not certain... If it does, maybe 460 hrs is more like it.

Re: [Repeater-Builder] Battery Back-up Question

2006-02-13 Thread Doug Zastrow
Kevin,   Before I take a stab at this could you give me a rough estimate of the physical size of the battery?  Where I'm headed with this is I'm trying to ascertain if your cells are truly rated at 460 amperes for a 10 hour duration or whether it's actually 460 ampere-hours (amps multiplied

Re: [Repeater-Builder] Battery Back-up Question

2006-02-13 Thread Michael Shaffer
What you really need to do is a load analysis to see how much average current you are using over a larger period of time. 10 amps might be the peak, but most equipment spends the majority of the time at idle current. very simplified- you could take 4.6 amps/hour for about 100 hours. real worl

Re: [Repeater-Builder] Battery Back-up Question

2006-02-12 Thread Kris Kirby
On Mon, 13 Feb 2006, Kevin & Natalia wrote: > These are 2volt cells, 460amp/hr over 10hrs. What is written on them So > we have 6 cells connected together to give 12volts. I came up with some contrived math and seems like it ought to work, but I have no idea if my ideas are right. If we take a b

Re: [Repeater-Builder] battery question part 2

2006-01-16 Thread Mike Morris
At 06:13 PM 1/16/06, you wrote: >I would like to take this topic one step further. now that we know >what to do and use for battery backup ... what are the >recommendations for a solar setup? Where you use the batteries as >your power source. Deepcycle batteries? UPS batteries? > >Rod The

Re: [Repeater-Builder] battery question

2006-01-16 Thread Tony VE6MVP
At 10:33 AM 2006-01-14 -0600, you wrote: >I have in service an Interstate brand 8D-PHD lead acid deep cycle battery that is nine years old and at nearly 80% of its brand-new capacity. How do you know it's at 80% of it's brand-new capacity? > * Regular checks of electrolyte level topped off with

Re: [Repeater-Builder] battery question

2006-01-15 Thread David Struebel
You will only have the opportunity to deep discharge them maybe 4 to 5 times.   Wet electroyte deep cycle batteries are an option at a reasonable price as long as you don't mind the acid. Dave WB2FTX [EMAIL PROTECTED] wrote: At 1/14/2006 01:09, you wrote: The sealed lead acid c

Re: [Repeater-Builder] battery question

2006-01-14 Thread Brett
- From: "Q" <[EMAIL PROTECTED]> To: Sent: Sunday, January 15, 2006 12:10 AM Subject: Re: [Repeater-Builder] battery question > NO!Car batteries will sulphate and vent dangerously explosive > hydrogen gas,are meant to be discharged quickly and recharged > immediately and

Re: [Repeater-Builder] battery question

2006-01-14 Thread Q
lto:Repeater-Builder@yahoogroups.com> > *Sent:* Saturday, January 14, 2006 10:10 AM > *Subject:* Re: [Repeater-Builder] battery question > > NO!Car batteries will sulphate and vent dangerously explosive > hydrogen gas,are meant to be discharged quickly and recharg

Re: [Repeater-Builder] battery question

2006-01-14 Thread Doug Zastrow
is not concerned about venting.   This battery has worked beautifully in my situation. YMMV.   Doug   - Original Message - From: Q To: Repeater-Builder@yahoogroups.com Sent: Saturday, January 14, 2006 10:10 AM Subject: Re: [Repeater-Builder] battery question

Re: [Repeater-Builder] battery question

2006-01-14 Thread Q
NO!Car batteries will sulphate and vent dangerously explosive hydrogen gas,are meant to be discharged quickly and recharged immediately and dont last long in backup service.Most site owners wont allow them to be used. Sealed lead/acid will last 5 to 10 times longer and are designed for the inte

Re: [Repeater-Builder] battery question

2006-01-14 Thread no6b
At 1/14/2006 01:09, you wrote: >The sealed lead acid cells have a much better deep cycle capacity. Just >don't overcharge them. > >Dave WB2FTX Given that batteries used in backup service rarely get cycled at all, wouldn't car batteries be a more cost-effective choice? (assuming the gel cels were

Re: [Repeater-Builder] battery question

2006-01-14 Thread Q
Do a Google search and you will find an education in backup battery scienceI found the GE supply wont properly charge my sealed lead/acids,so I use an additional float charger with an equalization switch and equalize them monthly.Makes a HUGE difference in capacity and battery life.Car batt

Re: [Repeater-Builder] battery question

2006-01-14 Thread David Struebel
The sealed lead acid cells have a much better deep cycle capacity. Just don't overcharge them. Dave WB2FTX Loren James wrote: >Got a small question, I have recently been given a pair of 12 v BAT_0103 >batteries. These are sealed lead acid cell (UPS) and are 75 amp hr. I am >currently using a

Re: [Repeater-Builder] battery backup

2005-03-31 Thread Dave VanHorn
At 01:09 PM 3/31/2005, David wrote: >here is the problem >i have a micor compustation repeater requires about 8amps at 120 volts 60 >hrtz key down >i have a tpn110b and tpn 1121a >the TPN1110B is a 120 volt 60 hrtz input >the TPN1121A is a 12 volt supply input >choice one: build or find a ups t

Re: [Repeater-Builder] Battery terminal corrosion

2004-01-06 Thread Vincent McKever
Use a solution of baking soda and water and a small brush. After all clean and hooked up coat them with a clear coat like spar varnish. Vincent N6OA/2 - Original Message - From: "Tim Shephard" <[EMAIL PROTECTED]> To: Sent: Monday, January 05, 2004 11:56 PM Subject: [Repeater-Builder] B

RE: [Repeater-Builder] Battery terminal corrosion

2004-01-06 Thread Al Allum
Tim, I would agree with this approach, however, if the corrosion is not to bad, try using emery cloth to clean up the post and wire end terminals. Spray the items with WD-40. Re-assemble them and then use an aerosol battery terminal spray or brush on a waterproof type grease being sure to get unde

Re: [Repeater-Builder] Battery terminal corrosion

2004-01-06 Thread bradley glen
Hi I clean the terminals by using some coke and allow them to settle.Clean away then my brass wire brush fitting on the end of my drill ro really get the terminals clean . I have several fittings so one of them is only used on the cable terminator and pack with a grease as mentioned already. NOTE

Re: [Repeater-Builder] Battery terminal corrosion

2004-01-05 Thread Virden Clark Beckman
Beckman" <[EMAIL PROTECTED]> > To: > Sent: Monday, January 05, 2004 9:15 PM > Subject: Re: [Repeater-Builder] Battery terminal corrosion > > > It will be hard to do and maintain the system in battery working order > > while you work on it, the easiest way to clean

Re: [Repeater-Builder] Battery terminal corrosion

2004-01-05 Thread Tim Shephard
5 PM Subject: Re: [Repeater-Builder] Battery terminal corrosion > It will be hard to do and maintain the system in battery working order > while you work on it, the easiest way to clean the terminals is soak in > baking soda/water solution - you may have to swirl them around in a kids &

Re: [Repeater-Builder] Battery terminal corrosion

2004-01-05 Thread Rick - VA3RZS/Charlotte - VA3CMR
yes Virden is right .. KISS I was going to write the same message but it has been said .. I use this on ly alarm system batts and in my cars .. but I don't use the condom . that would look really funny under the hood and in the alarm pannels .. ummm maybe I should put it in the pannels .. umm

Re: [Repeater-Builder] Battery terminal corrosion

2004-01-05 Thread Virden Clark Beckman
It will be hard to do and maintain the system in battery working order while you work on it, the easiest way to clean the terminals is soak in baking soda/water solution - you may have to swirl them around in a kids bucket of the mixture to activate the soda enhancing the cleaning into the threads.

Re: [Repeater-Builder] Battery terminal corrosion

2004-01-05 Thread Ken Arck
At 08:56 PM 1/5/2004 -0800, you wrote: >A 911 console that I maintain has developed some corrosion on the battery >terminals.> >What is the best way to clean the terminals and what do I put on them to >keep this from happening again?