DavidArmen
Well-Known Member
- First Name
- David
- Joined
- Sep 19, 2020
- Threads
- 28
- Messages
- 1,468
- Reaction score
- 1,617
- Location
- Los Angeles, CA
- Vehicle(s)
- 2021 JLUR
A 9.5amp car vacuum.
Sponsored
I have a battery fan for camping in the woods. It has one of those round male plugs which I have in 12v socket style ( the one pictured is a/c). If I were to get a long wire and leave the fan plugged in all night in the rear cargo outlet do you guys think there’s a good chance I may drain my Jeep battery?
The rear 12V should be always on from the factory. If not, you can move a fuse to switch it from being linked to Accessories.My christmas lights kept turning off on their own every 20 minutes or so. Don't know why, but if I cycled the ignition off then on, they worked again. Also charged power screwdriver with no problem.
What's the deal with those mats on the rear seat backs? I haven't seen those and want them. Mopar?
Great info- thank you. Question, my Sport S has the "Trailer Tow & Heavy Duty Electrical Group" installed. States a 700 AMP battery- How do I equate the usage with that? I think I read somewhere that the rear cigarette lighter port runs off the battery alone correct? Not the alternator? I suppose since it works without the engine on it is directly linked to the battery-That's a fairly large fan, so nobody can answer that question but you.
Look at the case for amp draw, then multiply by 12V, that gives you Watts. Then mulitply by 8 hours for overnight, for how many total Watt hours you need.
Typical car battery gives about 60 amp hours at approximately an average of 12V, but you can only use around 50% before damaging the battery. So 60 amp hours x 12V = 720, but halve that, so 360 Watts.
If your fan's required Watt hours is less than 360, you should be safe. That works out to anything less than a 3.75 amp draw from the fan. It looks like it has a potentiometer though, so the lowest setting would be safest.
Oh, I didn't know the tow package upgraded the battery also, besides the alternator. I mine's a 2.0T with BSG (belt start generator) so I got screwed on the bigger alternator, but nice to know that I got a better battery, though I still want to change it.Great info- thank you. Question, my Sport S has the "Trailer Tow & Heavy Duty Electrical Group" installed. States a 700 AMP battery- How do I equate the usage with that? I think I read somewhere that the rear cigarette lighter port runs off the battery alone correct? Not the alternator? I suppose since it works without the engine on it is directly linked to the battery-
Cheers
Eric
Thanks LD, I’m gonna just do what you said. Set the fan to the lowest setting and see how long it lasts.That's a fairly large fan, so nobody can answer that question but you.
Look at the case for amp draw, then multiply by 12V, that gives you Watts. Then mulitply by 8 hours for overnight, for how many total Watt hours you need.
Typical car battery gives about 60 amp hours at approximately an average of 12V, but you can only use around 50% before damaging the battery. So 60 amp hours x 12V = 720, but halve that, so 360 Watts.
If your fan's required Watt hours is less than 360, you should be safe. That works out to anything less than a 3.75 amp draw from the fan. It looks like it has a potentiometer though, so the lowest setting would be safest.
Mine is a sport S 2 door and it has it.What trim levels have this? Sahara and up?