AWeb80 Posted August 10, 2011 Report Share Posted August 10, 2011 I had my brother pull both batteries from my cars...the GP and the Aurora and put them in my apartment while I'm gone. I think they'll be ok there but they are both at least 5 years old (GP has an 890cca (IIRC) red top). I was going to have him bring them to my parents place and charge them for a day or so every month. I think it would be easier and less running around for him if I just purchased a battery tender and had him plug it in to one battery and then switch every 2 weeks when he stops by to check on the place. What is a good brand to get? I looked on Amazon.com which is where I'll probably buy it and there are lots of models to choose from. Which would work for me and why? I would like to keep these batteries in good shape while I'm gone, I don't want to spend ~$300 on two new batteries when I just get home.....especially the Aurora as I want to sell it when I get home and don't want to throw a brand new battery in just to sell it. Thanks. Quote Link to comment Share on other sites More sharing options...
Andrew Posted August 10, 2011 Report Share Posted August 10, 2011 Cant go wrong with the Battery Tender brand. http://www.walmart.com/ip/Battery-Tender-Junior/15779492 Since you have a Optima, make sure whatever one you choose can work on it. Its a maintenance free AGM type battery. Quote Link to comment Share on other sites More sharing options...
bodeen2007 Posted August 10, 2011 Report Share Posted August 10, 2011 if they are parked outside try considering a solar battery tender or a trickle solar charger . i run the solar trickle charger in the lumina . haven't had any problems with it . the lumina is currently sitting in the driveway with the panel sitting on the dash board . i checked the battery yesterday and it is at 12 volts . that with a known draw on the system Quote Link to comment Share on other sites More sharing options...
AWeb80 Posted August 10, 2011 Author Report Share Posted August 10, 2011 both cars are parked inside a storage unit w/ no electrical hook up. Quote Link to comment Share on other sites More sharing options...
Schurkey Posted August 10, 2011 Report Share Posted August 10, 2011 Clean the battery cases so there's no conductive slime on them. Check electrolyte level, fill if needed (and possible.) Charge the batteries with a decent battery charger so they have 12.6 open-circuit volts AFTER sitting idle (not charging) for a couple of hours. LEAVE THEM ALONE until you get back. Simple, easy, effective. Quote Link to comment Share on other sites More sharing options...
tornado_735 Posted August 10, 2011 Report Share Posted August 10, 2011 I agree with Andrew. I will say this though...I had the 5 year old el-cheapo Valucraft battery out of my 94 GP sit and freeze all winter in my Garage without a charger, and it started the Blazer without hesitation when I tossed it in just to see what it would do. It's in the 95 GP as of right now, doing just fine. Quote Link to comment Share on other sites More sharing options...
Schurkey Posted August 10, 2011 Report Share Posted August 10, 2011 I had the 5 year old el-cheapo Valucraft battery out of my 94 GP sit and freeze all winter in my Garage without a charger, and it started the Blazer without hesitation when I tossed it in just to see what it would do. COLD is the BEST way to store a battery. Quote Link to comment Share on other sites More sharing options...
tornado_735 Posted August 10, 2011 Report Share Posted August 10, 2011 COLD is the BEST way to store a battery. Huh. Figured it was kind of detrimental. Quote Link to comment Share on other sites More sharing options...
Night Fury Posted August 11, 2011 Report Share Posted August 11, 2011 I left a crappy interstate battery on concrete all winter 6+ months and it was fine too... I doubt you'll have a problem Quote Link to comment Share on other sites More sharing options...
AWeb80 Posted September 22, 2011 Author Report Share Posted September 22, 2011 just picked up the battery tender Plus for $45 off Amazon. $25 discount over regular. I'll have my brother hook it up when he gets it. Quote Link to comment Share on other sites More sharing options...
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