Help...Battery trickle charger
12-05-2016, 11:13 AM
#21
AudiWorld Super User
Noticed last week that my Costco (Melville, NY) is selling the Battery Tender unit. I believe the kit was $50 but not sure I recall correctly. Not available online.
12-05-2016, 11:22 AM
#22
Just make sure it's at least the battery tender plus. The little junior I had only supplied 750 ma at best. I tried it for at least 5-6 hours on fully charged battery and it did nothing. I returned it.
12-05-2016, 12:24 PM
#23
AudiWorld Super User
It wasn't the junior model. I have one of those on my generator.
Last edited by DennisMitchell; 12-05-2016 at 03:21 PM.
12-05-2016, 12:38 PM
#24
AudiWorld Super User
"NOT FOR SALE IN CALIFORNIA OR OREGON"
That can often simply mean "Made with lead/tin solder" so they cannot besold in places that rigorously ban lead. Like the EU and California, btw.
HB-
Probably a different model, the "plus". If I got bad information, since it came from the maker, I'd avoid it anyway.
JC-
What, you didn't program your NOCO to send you text messages every time it changes modes?(G)
I don't know which model you have, but mine was clear that it will NOT go into long-term maintenance mode until it has been hooked up for a full week without interruption. Interrupt it for any reason, and it may go into what you can I would call a float mode pretty quickly, but it doesn't get into the final long-term mode until it has had a week of doing that. (So I make a point not to interrupt mine.)
That can often simply mean "Made with lead/tin solder" so they cannot besold in places that rigorously ban lead. Like the EU and California, btw.
HB-
Probably a different model, the "plus". If I got bad information, since it came from the maker, I'd avoid it anyway.
JC-
What, you didn't program your NOCO to send you text messages every time it changes modes?(G)
I don't know which model you have, but mine was clear that it will NOT go into long-term maintenance mode until it has been hooked up for a full week without interruption. Interrupt it for any reason, and it may go into what you can I would call a float mode pretty quickly, but it doesn't get into the final long-term mode until it has had a week of doing that. (So I make a point not to interrupt mine.)
12-05-2016, 12:45 PM
#25
How do you know what I had? Gezz...
Battery Tender Junior, 0.75A Maintainer | Canadian Tire
Say junior right on it!
Battery Tender Junior, 0.75A Maintainer | Canadian Tire
Say junior right on it!
12-05-2016, 12:50 PM
#26
"NOT FOR SALE IN CALIFORNIA OR OREGON"
That can often simply mean "Made with lead/tin solder" so they cannot besold in places that rigorously ban lead. Like the EU and California, btw.
HB-
Probably a different model, the "plus". If I got bad information, since it came from the maker, I'd avoid it anyway.
JC-
What, you didn't program your NOCO to send you text messages every time it changes modes?(G)
I don't know which model you have, but mine was clear that it will NOT go into long-term maintenance mode until it has been hooked up for a full week without interruption. Interrupt it for any reason, and it may go into what you can I would call a float mode pretty quickly, but it doesn't get into the final long-term mode until it has had a week of doing that. (So I make a point not to interrupt mine.)
That can often simply mean "Made with lead/tin solder" so they cannot besold in places that rigorously ban lead. Like the EU and California, btw.
HB-
Probably a different model, the "plus". If I got bad information, since it came from the maker, I'd avoid it anyway.
JC-
What, you didn't program your NOCO to send you text messages every time it changes modes?(G)
I don't know which model you have, but mine was clear that it will NOT go into long-term maintenance mode until it has been hooked up for a full week without interruption. Interrupt it for any reason, and it may go into what you can I would call a float mode pretty quickly, but it doesn't get into the final long-term mode until it has had a week of doing that. (So I make a point not to interrupt mine.)
I am disappointed it did not speak to me and advise me of its intentions! However I will forgive it as it likely doesn't speak English.
Thanks for the feedback.
Cheers
Last edited by Jcampbell3; 12-05-2016 at 01:39 PM.
12-07-2016, 10:50 AM
#27
AudiWorld Super User
Yes, if you leave it alone for a week and a day, it goes into long term mode. Why that long, I have no idea. But.
"From there it does take quite a while to get to solid green, 100% - maintenance charge, usually overnight. "
AGM batteries, more so than wet lead batteries, really need to get to 100% charge for the best battery life. Not just 95% like most SLI batteries, but a real 100% to reverse any sulfation forming in the glass matts, apparently. And with all lead acid batteries, the charge acceptance rate (how quickly they will accept a charge) actually goes down rather dramatically as the state of charge comes up.
So if it took 9 hours to get to a 90% state of charge? It might take twelve more to put in the last 10% and bring the battery all the way up. (Numbers for illustration only!)
It's physics. Even the companies that make AGMs got some rude surprises after they were on the market for five or ten years and the complaints kept pouring in.
But unlike Fiat, our batteries don't eat out our trunks. And unlike BMW, we don't need special vent hoses to carry battery gases out of the car. And emergency responders are WAY happier knowing there's no battery acid splashed around a wreck.
Audi could stick some notes in the manual, but I think they cover this under the "There there dear, don't you worry your silly head, just give us your wallet and we'll make it all better. Would you care for some coffee and pastry while we do that?" (sigh)
The dealer I'm using doesn't play that game, but somehow when they offer me a drink, they've never got any decent single malt around. Terribly disappointing, that.
"From there it does take quite a while to get to solid green, 100% - maintenance charge, usually overnight. "
AGM batteries, more so than wet lead batteries, really need to get to 100% charge for the best battery life. Not just 95% like most SLI batteries, but a real 100% to reverse any sulfation forming in the glass matts, apparently. And with all lead acid batteries, the charge acceptance rate (how quickly they will accept a charge) actually goes down rather dramatically as the state of charge comes up.
So if it took 9 hours to get to a 90% state of charge? It might take twelve more to put in the last 10% and bring the battery all the way up. (Numbers for illustration only!)
It's physics. Even the companies that make AGMs got some rude surprises after they were on the market for five or ten years and the complaints kept pouring in.
But unlike Fiat, our batteries don't eat out our trunks. And unlike BMW, we don't need special vent hoses to carry battery gases out of the car. And emergency responders are WAY happier knowing there's no battery acid splashed around a wreck.
Audi could stick some notes in the manual, but I think they cover this under the "There there dear, don't you worry your silly head, just give us your wallet and we'll make it all better. Would you care for some coffee and pastry while we do that?" (sigh)
The dealer I'm using doesn't play that game, but somehow when they offer me a drink, they've never got any decent single malt around. Terribly disappointing, that.