There is a nice video on their website. - m http://www.optimabatteries.com/home.php
From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of va...@securenet.net Sent: Saturday, January 30, 2010 9:23 AM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Re: Battery system for portable repeater (non solar) I think the yellow top optimas are for deep cycle apps. Check their website. Va2ir Sent on the TELUS Mobility network with BlackBerry _____ From: "tahrens301" <tahr...@swtexas.net> Date: Sat, 30 Jan 2010 14:11:05 -0000 To: <Repeater-Builder@yahoogroups.com> Subject: [Repeater-Builder] Re: Battery system for portable repeater (non solar) Are the optima type batteries meant for extended deep discharges? Tim --- In Repeater-Builder@yahoogroups.com <mailto:Repeater-Builder%40yahoogroups.com> , "KD8BIW" <sdenn...@...> wrote: > > Something such as an Optima Yellow top battery would be okay in this use. They are sealed, spillproof AGM batteries. Keep them at their "float" voltage and you should not have a problem. Use these for battery back-up at numerous repeaters and have not had a problem (yet...). Good luck and let us know what you come up with, and how it works for you! > > Steve > > --- In Repeater-Builder@yahoogroups.com <mailto:Repeater-Builder%40yahoogroups.com> , Tim Ahrens <tahrens@> wrote: > > > > 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 radios... e.g. X9000 > > which when you push the 'dir' button, it uses the TX PL. > > > > Laryn - these were some pretty high dollar units, so I > > wouldn't have expected them to fry the batteries. > > > > I'll look into the AGM bats - the rptr draws about 450 > > mA in RX, and about 4A in TX. > > > > Getting a Pelican case for the repeater & cables, but > > not sure how to make the battery transportable.. I > > suppose if it's 'really' sealed, then I wouldn't have to > > worry about leakage of the electrolyte - could use > > a case for it & the charger. > > > > Any recommendations about appropriate & 'sure-fire' > > chargers for one of these? I could put together something > > for float charging, but there will also be a need for 'real' > > charging as well. > > > > Thanks again, > > > > Tim > > > __________ Information from ESET NOD32 Antivirus, version of virus signature database 4820 (20100130) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com
