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Has anyone used a battery tender when not using vehicle for a couple of months

356 Views 11 Replies 6 Participants Last post by  dperra.sr
Wanted to see if anyone has used a battery tender on their GW/W's when not in use for a couple of months. I will be traveling and given battery issues historically want to avoid these. I plan to check with my dealer to see what suggestions they have.

Thanks
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@Houston GW III Although I'm still waiting for my GW, I plan to use a NOCO Genius 2 (2A) battery maintainer. The truck will be sitting weeks between uses, maybe months, and from what I've been reading over on the Ram 1500 forum, battery drain seems to be notorious for their sitting trucks. I think its a mix of bad FCA electrical/firmware design leading to more-than-normal parasitic drain (example the head unit staying on in some vehicles), and the unavoidable heavier passive electrical load due to the many electrical systems in these modern vehicles (some systems remain active when the vehicle is off).
Anyway, NOCO seems to be one of the top maintainers, and I chose the 2A because I will not be in a rush to recharge the battery once it gets home (there are 5A and 10A units that do a faster top-up charges). The 5A NOCO does have a force charge feature though that the 2A does not, but I'm hoping I never get to the point of a dead battery. Ideally with any battery, it is generally always better to slowly charge it versus fast charging to preserve the health of the battery.

Also, being a bit of a prepper, I am also keeping a portable jump starter in the truck. Hopefully I never have to use it, but you never know. Plus you can help a fellow traveller with a dead battery so much easier than using jumper cables the old way. The one I chose claims to have a 2 year charge-hold time, but I'd recharge it every 12 months anyway.
Sorry for the long rant, but I spent a good deal of time researching this ahead of delivery, so wanted to share my thoughts.
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@Houston GW III Although I'm still waiting for my GW, I plan to use a NOCO Genius 2 (2A) battery maintainer. The truck will be sitting weeks between uses, maybe months, and from what I've been reading over on the Ram 1500 forum, battery drain seems to be notorious for their sitting trucks. I think its a mix of bad FCA electrical/firmware design leading to more-than-normal parasitic drain (example the head unit staying on in some vehicles), and the unavoidable heavier passive electrical load due to the many electrical systems in these modern vehicles (some systems remain active when the vehicle is off).
Anyway, NOCO seems to be one of the top maintainers, and I chose the 2A because I will not be in a rush to recharge the battery once it gets home (there are 5A and 10A units that do a faster top-up charges). The 5A NOCO does have a force charge feature though that the 2A does not, but I'm hoping I never get to the point of a dead battery. Ideally with any battery, it is generally always better to slowly charge it versus fast charging to preserve the health of the battery.

Also, being a bit of a prepper, I am also keeping a portable jump starter in the truck. Hopefully I never have to use it, but you never know. Plus you can help a fellow traveller with a dead battery so much easier than using jumper cables the old way. The one I chose claims to have a 2 year charge-hold time, but I'd recharge it every 12 months anyway.
Sorry for the long rant, but I spent a good deal of time researching this ahead of delivery, so wanted to share my thoughts.
[/QUO
Wanted to see if anyone has used a battery tender on their GW/W's when not in use for a couple of months. I will be traveling and given battery issues historically want to avoid these. I plan to check with my dealer to see what suggestions they have.

Thanks
So what do you do if you leave Wagoneer at the airport for a couple of weeks or more?
So what do you do if you leave Wagoneer at the airport for a couple of weeks or more?
Pray it starts. If not, break out my portable jump starter.
Though personally I wouldn't be leaving my Wag at the airport. I'd use my other less expensive vehicle. I have a jump starter in that vehicle as well, but I'm not so worried about the parasitic drain on that vehicle. The battery is old though and close to replacement.
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So what do you do if you leave Wagoneer at the airport for a couple of weeks or more?
It will start if all the updates are done, and they replaced the battery. AGM batteries do not recover once dead. I leave mine regularly.

They are designed to turn off systems after x hours of inactivity. I also run a trickle charger when it sits at home to ensure the battery is at 100%. I have a setup that pokes through the grill, just plug and go (but watch the dampers) when you do this wiring.
It will start if all the updates are done, and they replaced the battery. AGM batteries do not recover once dead. I leave mine regularly.

They are designed to turn off systems after x hours of inactivity. I also run a trickle charger when it sits at home to ensure the battery is at 100%. I have a setup that pokes through the grill, just plug and go (but watch the dampers) when you do this wiring.
What brand and model of charger are you using if you don't mind me asking?
Wanted to see if anyone has used a battery tender on their GW/W's when not in use for a couple of months. I will be traveling and given battery issues historically want to avoid these. I plan to check with my dealer to see what suggestions they have.

Thanks
My 22 GW Series 3 has been on a battery tender in an unheated garage in far northern Wisconsin since November 1, 2022. I unplugged it May 15th and started driving it for the season and it fired right up. All systems in the green.
(I didn’t want to drive this beauty in the snow and salt 😇).
I never had a dead battery it gets driven almost every day. The voltage over nite is between 11.8 and 12.2 volts on car gauge and a couple tenth more on a meter. With low voltage it’s hard on alternator or generator or whatever Jeep calls it. Also low voltage is hard on the starter. Jeep tested the battery and said its OK.
I like the CTEK brand.
Had a feeling it was that or the NOCO you had. I was impartial between the two, but saw a video of an EE doing a teardown of the CTEK and found the internals to be lacking in some aspects. Also the CTEK seems to run a bit hot (though stable) based on reviews. I went with the NOCO Genius2 for the above reasons. Both are the top of their game regardless.
Wanted to see if anyone has used a battery tender on their GW/W's when not in use for a couple of months. I will be traveling and given battery issues historically want to avoid these. I plan to check with my dealer to see what suggestions they have.

Thanks
Me advise is to get used to it. Soon all vehicls will have stop / start. Thank you uncle Sam. See below.
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