Results 7,776 to 7,800 of 12731
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05-12-2021, 10:17 PM #7776
I was wondering. 4 x 4 would be best but plenty of weight on the drives
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05-13-2021, 07:06 AM #7777
30 years old.... it's whooped.
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05-13-2021, 08:49 AM #7778
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05-13-2021, 10:04 AM #7779Registered User
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- Apr 2021
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- 2,887
A leaky roof doesn't mean it's 'rode hard'. It's only got 60k miles on it. If the 4x4 conversion was done recently, everything under it was replaced: axles wheels tranny, etc.
Anyways, something is fishy, maybe it's a roof leak. Maybe it's 60k an a new engine and everything else has 250,000 miles on it and he didn't make it clear in the listing. Inside looks good enough to me though.
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05-13-2021, 02:23 PM #7780
Hey BATTERY NERDS: I am looking at those Optima Blue top dual batteries. They specialize in CCA for starting but also deep cycle for running lights, cell phone chargers, etc. I know most proper RV's have a starting battery and then a bank of leisure batteries. I don't have room for 2 batteries; I have a cabover camper where I will be running lights, charging etc without running the engine for a day or two. Can anyone speak to these? Overkill? Perfection? They're like 350 bucks.
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05-13-2021, 05:49 PM #7781Registered User
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- Jun 2009
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- 80
Put 2 in my old van as a house bank to power fridge, fan, lights, phone charging and more “self jumping” than anticipated. They lived a hard life but are still going strong after 7 years.
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05-13-2021, 06:05 PM #7782Registered User
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If whatever size battery you use does the job the optima will probably last longer and look cooler, but the Optima won't overcome any defect in your set up. So if you draw the battery down too low w your accessories it may fail to start the motor. It would probably be smart to add up all the usage in amps(Ah) of the accessories and subtract that from the Ah the battery is rated for. Not sure what season or location your use will be in, but if there's any sun at all it seems like solar would be a good way to keep the battery topped up between starts.
I'd probably go to walmart for a regular wet cell battery unless it's hard to get to or needs to be mounted other than upright - thats where AGM batteries, which is what Optima is, shine. They are sealed so no need to ever add water, can be mounted in any position, and also stand up to heavy vibration. Based on a $350 Optima battery price I'm guessing you need a group 31, but buy the biggest battery you have space for.
Walmarts brand is Everstart. Lead Acid Marine and RV Deep Cycle Group 31
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05-13-2021, 06:22 PM #7783
Mostly this. Doesn't matter how good the battery, if you let it run below 11.8V on the regular, it will never fully recover. Some power converters (single stage especially) can cook the battery far too easily too. We've gone with high end AGM's, and keep a real close eye on the draw, and we are going into year 5 with an 80W solar charger keeping them topped up on moderate use. The previous everstart standard wet cells packed it in on yr 3, but they were half the price.
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05-14-2021, 08:45 AM #7784
Why don't you have room for two batteries? AGM batteries don't need to be vented and can be mounted upside down, sideways, ect. You can tuck them away in some random corner. LiFePO4 are even smaller and lighter but are better for more high end complex systems. There are LiFePO4 power supplies where you just charge up in your home and then bring the little cube with you when you are in your rig. Could be a good option if space is limited and power consumption is small.
Also, how do you plan on charging the battery (alternator, trickle charger, solar, dc to dc, generator)? Is your only power consumption lights and charging phones? It is possible to run a camper set up off the single battery under the hood if the power consumption is very small, but not advisable.
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05-14-2021, 08:49 AM #7785
Just strap em’ up top. you put a new shovel and a highlift Jack next to em’ and you get fucking bonus points.
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05-14-2021, 12:25 PM #7786
^^but then where would i keep my bags of gasoline??
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05-14-2021, 01:50 PM #7787Registered User
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- Oct 2010
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- 1,961
Ski RV's, who's sleeping in parking lots?
If you’re going to spend $350 don’t get an Optima. They switched manufacturing plants a few years ago and reviews aren’t great.
If you’re willing to spend that much get an Odyssey or the Batteries Plus X2Power- exact same as Odyssey but changed brand. They’re virgin lead and very tough. Will get you far more use than an Optima likely.
Otherwise good AGM can be found for under $200 and should serve you well for several years.
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05-14-2021, 01:59 PM #7788
Thanks all, for chiming in. Currently I do have a Jackery type solar gen that I charge at home and can charge while the engine is running. I don't have a lot of draw, but don't want to have to worry about lights and a BT speaker limiting my ability to start my engine in the morning. And, my Jackery type solar gen is dedicated to my diesel heater in the winter. Everything else is off my starter battery. The Optima is unique in that it has deep cycle for slow draw, but still has CCA for the starter. I am not looking to complicate my system with PV cells, dc to dc, aux batteries etc.... Just wondered if the dual Optima's are a good fit for what I describe and need.
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05-14-2021, 02:04 PM #7789
So I'm definitely not a battery expert, but I think there are other (cheaper) options out there similar to the optima. NAPA, O'reilly, and probably the other chains have house-branded batteries that are "deep cycle/starting" or "marine starting" and probably have similar specs.
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05-14-2021, 03:27 PM #7790
House brand auto parts AGM are still questionable IMO. I went Duracell AGM from Sam's Club and have been very happy.
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05-14-2021, 03:51 PM #7791
I believe almost all car batteries sold in the U.S. are actually made by just three manufacturers and then sold under different brand names. Johnson Controls, which supplies more than half of the market; Exide; and East Penn. You can find good return policies where you can use the battery for up to a year and return if it goes bunk. I bought a duracell from batteries plus, which came with one of those warranties.
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05-14-2021, 04:45 PM #7792
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05-14-2021, 04:49 PM #7793
Anything labeled/marketed as a combination "deep cycle"/ trolling/ marine/ whatever *AND* as a starting battery is not a true deep cycle battery. However, for light use, it'll probably be fine.
I still really like the route of 6V golf cart batteries installed in series (need multiples of 2, obviously). Big, heavy, tons of amp-hour reserve. I replaced mine this spring after 10 years of use on the old set. Cost is about $90 each at Costco.
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05-14-2021, 05:29 PM #7794Registered User
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- Dec 2020
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Ok now we're getting some more info. Ideally you want to start motor every time so keeping your accessories off of the starting battery circuit is going to insure that. The first question is can the Jackery power the diesel heater AND the accessories? If it can't could you sell the existing Jackery and get a larger one that would?
But to directly answer your comments:
The Optima is not unique in any way. There are wet cells and AGM (which is what an Optima is) that are dual use - deep cycle and CCA. Deep cycle just means the battery stands up to repeated deep discharges; it doesn't mean that it can't go below the CCA needed to start a motor leaving you stranded.
Bottom line is throwing $350 at any battery isn't really a proven solution. It's testing by trial and error. The cheapest way to run that test is buy the biggest sized dual use battery for as cheap as possible and save the rest of the money for jumper cables or an uber and a new battery when you're stranded if it doesn't work out. If it should happen to be ok then in 2 or 3 years you can replace it with a longer lived AGM.
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05-14-2021, 05:58 PM #7795
Earlier in this thread someone posted about new ambulances that were being sold....can anyone lead me to that source. This search engine sucks the ballz
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05-14-2021, 06:07 PM #7796
Hopeless Sinner has a good point- those lithium jump packs have gotten pretty affordable and barely take up any space/weight to keep as a back-up.
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05-14-2021, 06:14 PM #7797
This. lot's of great data being thrown my way, but this seems to answer my question. It sounds like a dual purpose battery really doesn't give much of an advantage over a regular starter battery. But I challenge, if the marine batteries are used for starting the motor (cranking amps) AND for a slow drain (deep cycle) of a trawling motor, isn't that really what I am looking to do? Start the car in the winter but be able to use lights and usb during the PM. Are dual purpose batteries just good marketing or are they made for my purposes. The collective seems to say that they are just marketing..... yes?
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05-14-2021, 06:17 PM #7798Registered User
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05-14-2021, 06:37 PM #7799Registered User
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No they're not marketing at all. Dual purpose batteries can serve 2 purposes but not both at the same time. A battery only has a fixed amount of power or Ah, using some power MAY reduce what's left to less than what's needed to start a motor, but a dual purpose battery is capable of being deeply discharged and fully recharged multiple times.
A regular starting battery won't survive multiple deep discharges, it's meant to produce high power in short bursts-constantly recharged by the alternator. A dual purpose battery in a boat or a car w that's used infrequently and is completely discharged multiple times will handle that abuse and be able to start a motor once it's recharged. A true deep cycle only battery is for running a trolling motor or electric lawn mower that's intended to be completely discharged every time it's used.
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05-14-2021, 06:43 PM #7800
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