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10-21-2020, 11:38 PM | #21 |
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Join Date: May 2010
Location: on the Littlefield
Posts: 6,159
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Re: Battery Tenders
I have a question for people that use battery tenders--how long do your batterys last?
When I passed the tent selling batterys and tenders I was told a tender would double my battery life. My reply was really--it will make my battery last 30 years ? (at the time the optima was 15 years old) ---Oh no, it will double it to 5-7 years So with regular batterys I got 7-9 years, the optima lasted 16, a 10 year old Mercedes battery that I cut in 1/2 to make it 6V lasted 4 more. I do have a high charge rate(14amps), drive a lot at night, have halogen bulbs, don't do anything even parked for 6 months ---so what do you think, will a battery tender double my battery life, make the car faster, start quicker, more reliable? |
10-23-2020, 05:21 AM | #22 | |
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Join Date: Oct 2018
Location: Aliaga,Turkey
Posts: 77
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Re: Battery Tenders
Quote:
Damn Kurt, that is some serious tender hate. I don't know about batteries but tenders make my chicken taste better for sure.
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10-23-2020, 07:36 AM | #23 |
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Join Date: Mar 2014
Location: Jacksonville FL
Posts: 3,957
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Re: Battery Tenders
I have a NOCO & an E-Tek......I love the NOCO as it has the ability to select both voltage and battery type. I bought the E-tek on a friends recomendation and it says it charges batteries 5V-12V. It is the charger/tender you get when you buy a new Ferrari. I hooked it to the 6V battery in my Merc and a day later I had some kind of weird symbol pop up SO I have to read up on what that meant.....BUT for now it works wonders on a 12V battery!!!! I'll keep you posted on 6V and what I find out
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10-24-2020, 11:30 AM | #24 |
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Join Date: Oct 2015
Location: Socal
Posts: 795
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Re: Battery Tenders
Gee, another battery tender thread. Imagine that. Seems like I just responded yesterday....
Anyway here's my generic response- "Any battery will go bad just sitting there...... hooked up or not...... current draw or not. That's the nature of the beast. I worked for Douglas Battery and Delco (Delphi). Wrote warranty and did plenty of battery autopsies. You hear a lot of stuff about batteries, that's for sure. On two cars that are literally never driven, I have maintainers. A Genius G750 on one car and a Battery Tender (not sure which model) on the other. The argument would be that the cars should actually be driven but with 5 others in constant rotation, we have plenty of wheels for the two drivers in the house." How long do my batteries last? Flooded style, in a car in use, seem to go about 7 years. Current day Optimas, about the same. In an un-driven car.... an Optima (not even hooked up) they seem to have a shelf life of 5 years until totally dead and not capable of being resuscitated. The two cars that have the battery maintainers have only had them for a couple of years, so too early for any conclusions. Last edited by 1948F-1Pickup; 10-24-2020 at 02:34 PM. |
10-27-2020, 11:35 AM | #25 | ||
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Join Date: May 2010
Location: New Jersey
Posts: 832
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Re: Battery Tenders
Quote:
Quote:
As for battery life, I had a battery I bought in October 2006 that needed to be replaced September 2017, and another I bought in March 2006 that I replaced in May 2019. That one still started the flathead just fine, but it failed a load test and I didn't want it to leave me stranded. I have an optima I purchased in 2009 that is still on a tender and going strong. I don't know about you, but I never got well over eleven years out of all of my batteries before using the battery tenders. And I never have to wonder if my car will start when I want to take it out. If you don't see the value in that, don't buy one. |
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10-27-2020, 03:45 PM | #26 |
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Join Date: Oct 2019
Posts: 175
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Re: Battery Tenders
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10-27-2020, 06:36 PM | #27 |
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Join Date: Sep 2020
Location: Mount Desert, Maine
Posts: 504
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Re: Battery Tenders
Second the positive NOCO review
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10-27-2020, 06:44 PM | #28 | |
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Join Date: Mar 2016
Location: LaGrande Oregon
Posts: 866
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Re: Battery Tenders
Quote:
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10-28-2020, 06:58 AM | #29 |
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Join Date: Oct 2012
Location: Eastcoast
Posts: 864
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Re: Battery Tenders
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10-29-2020, 08:37 AM | #30 |
Senior Member
Join Date: May 2010
Location: New Jersey
Posts: 832
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Re: Battery Tenders
No worries. I guess anything can happen, I have my battery tender plugged into a surge protector. I've had my building hit by lightning before and I have one of those big 4 gang tenders. Hopefully that will protect it and the cars if something happens.
Last edited by Automotive Stud; 10-29-2020 at 08:43 AM. |
10-30-2020, 02:05 AM | #31 |
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Join Date: May 2010
Location: MN
Posts: 7,053
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Re: Battery Tenders
Just pulled both of my old 6v optima batteries out for another winter to be charged once and put on a shelf till spring when I will charge them once more for the summer. Going on 11 and 14 yrs. I disconnect the batteries in summer when not driving. Never tend them. But I use 30w oil too.
Last edited by Tinker; 10-30-2020 at 03:21 AM. |
11-01-2020, 01:43 PM | #32 |
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Join Date: Jul 2010
Location: 36 miles north of Albany NY
Posts: 2,950
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Re: Battery Tenders
I take my regular batteries out for the winter and put them in my cellar(cool dry place), charge it full and leave it until Spring, I’ve had no issues with my 2-6 volt batteries or the riding lawn mowers 12 volt battery. The only Optima is in my wife’s daily driver so I can’t comment on it.
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11-02-2020, 07:26 AM | #33 |
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Join Date: May 2010
Location: FP, NJ
Posts: 2,770
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Re: Battery Tenders
I have an old Chevy coupe that I redid and put on the road in 2004. I had put in a Costco battery and a green knob disconnect on the ground post. The car sits in an unheated garage over the winter. No charger, no tender, no nuthin. This spring, before I got the car out of storage, I went back to Costco and bought a new battery expecting that the old one would be dead but it roared to life on the old one. I'm thinking of putting the new one in before I put it in storage.
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