Complete Off-Grid 12v Dual Battery Masterclass PART 2: Battery Charging Secrets Revealed
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- čas přidán 17. 07. 2024
- GET THE GEAR CAHN USES!
115Ah AHM Deep-Cycle Battery: bit.ly/AGMDeepCycleBattery
Portable Battery Box: bit.ly/KingsBatteryBox
200W Camping Solar Blanket: bit.ly/35HgvHE
Whether you're setting up your first camping 12v system or you're sick to death of fridge error lights, warm food and drinks and flat batteries, then you've GOT to watch Cahn's incredibly in-depth camping 12v power masterclass!
Camping gear has come a seriously long way over the last couple of years, and we believe that you shouldn't have to 'rough it' just to go camping!
Join Cahn in this three-part series as he explains clearly and in-depth, the ins and outs of your vehicle's 12v system, and how to keep your fridge cold and your battery full.
PART 1: Dual Battery Basics
• Complete Off Grid 12V ...
In part 1, we’ll start with the basics of your vehicle’s 12v system, why you need a dual battery system, what everyone gets wrong and why it’s important to plan your system from the start so you don’t waste time and money. We’ll show you how to put together a 12v system that’s ideal for overnight or long weekend camping adventures, that’ll let you run your fridge and camp light and charge your phones while camping.
PART 2 (this vid): Battery Charging Secrets Revealed
In part 2, we’ll take it to the next level by showing you how to keep your battery charge while you’re on the move with various vehicle-based battery charging options. We’ll talk about the different types of 12v battery isolators and chargers, including the latest in battery charging technology that’ll get you camping better and for longer!
PART 3: Next-Level 12v Upgrades
• Complete Off-Grid 12v ...
In Part 3, we’ll take it up a notch again, and show that you don’t have to spend a fortune to get an ultimate off-grid 12v system. With this setup, you’ll never have to turn your fridge off again, you’ll have all the comforts of home with you anytime you camp, and you’ll be set to camp for as long as you want - even permanently!
Remember to hit that SUBSCRIBE button so you don't miss a moment of this cracking expert advice that every camper, overlander, explorer and 4WDer must hear!
► ABOUT US
4WD Supacentre is an Australian owned company offering quality 4WD, camping and outdoor products at wholesale prices. We carry a wide range of products designed to make your 4WD or camping trip that much more enjoyable. Products range from air compressors, awnings, awning tents, camping gear, exhausts, led lights, Titan rear drawers, recovery gear and heaps more!
We have all the right gear you need to keep you out on the tracks for longer at incredibly low prices every day. Thanks for watching rom all the team here at 4 WD Supacentre!
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► Gear We Use:
115Ah AHM Deep-Cycle Battery: bit.ly/AGMDeepCycleBattery
Portable Battery Box: bit.ly/KingsBatteryBox
200W Camping Solar Blanket: bit.ly/35HgvHE
*NOTE: This description contains links that allow you to find the items mentioned in this video. Thank you for your support! - Auta a dopravní prostředky
This series has taken something I have struggled to understand for years and made it digestible in 20 min. Thanks you!!
I just really want some green cordial rn
👍👍😆
Echo cooler
🤣🤣🤣
Haha
Jesus i was thinking the same thing while wqtching it
I've watched a heap of DIY solar power off grid vids but this is the first one that does a good job covering every aspect of the given topic, with good quality, great quality actually, and a non annoying host and basically just trying to say good job bro, subbed and liked thanks.
Thanks mate! Much appreciated!
Cheers,
Cahn
Awesome video series Cahn. Well explained and happily King's have all that we need to get the job done. Cheers mate.
Excellent info! You're giving us lots to options to choose from.
These videos are the ducks guts. Great stuff! As much as I thought I knew, I’m learning how to explain better to my customers & understand there custom requirements. On to part 3
Awesome Rusty, Thanks for your support mate.
Cheers,
Chad
This video series on dual batteries is so good, I was ready to just buy it all from your site, but then I saw it's only in Australia. Make the products available in the US, with content like this the money will come flying at you.
Been after a good explanation video for my setup for a while. Thanks!
You're amazing for these videos. Watched maybe 20 so far and yours are by far the easiest to understand with the most information. Thank you!
Thanks mate! Really appreciate the kind words!
Cheers,
Cahn
Very clear, professional and informative. Thank you.
Glad it was helpful!
Great learning!
sub'd bc of this right here...much appreciated! thanks from los angeles. 3rd gen tacoma owner planning on dual batt setup and possible ac inverter. was about to spend $1600 on a drop in dual batt bracket and 2 new batts. this made me rethink things and put components in place and save some $$$
Very well done, thank you!
Glad you liked it! Thanks for your comment 👍🏼
great stuff
BTW, in the states, household line power is 120-125 Volts 60 Hz. We have 240 volt outlets, but usually a limited number. Also AGM, for the uninformed is a newer battery technology, Absorbent Glass Mat. It's an advanced lead-acid battery that provides superior power to support the higher electrical demands. Bottom line, AGM is more expensive. Also, beware of cheaper diode isolators. A silicone diode semiconductor junction has a 0.7 fixed voltage drop that u need to be aware of. I like the sensor type better. Or better yet the DC/DC charger is best.
Great video, thx alot.
Glad you liked it!
Amazing video, thank you so much!
I have one question:
I'm running a 100ah Kings Battery with the smart isolator. Now I'm using the car for daily life as well, and I'm worried, that the auxiliary battery is constantly charged by the starter battery, while not being used or discharged for days or weeks until I go camping again. Should I disconnect my auxiliary battery from the starter battery when using the car in a daily routine?
Any tips are highly appreciated. Thanks!
I have a '98 diesel hilux with an extra battery already under bonnet. I plan a third battery in back later on.
Q1 can you recommend a compromise battery type that "does OK" under the bonnet for the time being? There's already an isolator.
Q2 would you recommend a second isolator to keep batteries 2 and 3 separate or treat them as one battery?
Might a smart isolator could be bypassed with a 100A relay while the engine is running before a smart isolator makes it in?
Sorry if you say that later in the video.
Got one of your light bars and some of your reversing lights for Christmas. 😀 I like them. Also STEDI ones.
I grok this stuff, but didn't know about all the 12v gear that is now available. Thanks for the tips.
Question, I had a dual battery set up with a smart isolator. I wanted to add a 3rd AGM in the back to a dcdc charger, do I remove the isolator from the 1st to 2nd, or do I wire the dcdc charger to the 2nd battery instead of the main and leave the isolator on? Thanks in advance.
Do I connect my starter battery to the positive and negative on the front of the battery box? And what amp fuse would I be best to use?
Best videos I’ve seen on CZcams
Thanks for the support 👍🏼
Do you need all this or can you just charge your fridge on the way there with a single battery then when get to camp plug it into a portable power pack with solar?
Question: I have 12V plug to anderson so if I plug it in my cigarette lighter and use MPPT controler from my solar blanket and plug into the deep cycle battery to charge while driving, would that be OK or not?
One explanation missing is the full car length negative cable. It's not supplied with your isolator switch system from Kings. How much current loss by earthing the battery?
If i wanted to charge a portable power battery is it advised to stil use a bcdc unit? Or can i just plug it into the cars 240v outlet/cigarette lighter to charge up my portable battery when driving and just remember to disconnect it when my car is off?
So with a bcdc charger I wouldn’t need an isolator near the primary battery running to the bcdc charger?
what model is your dcdc charger? can you provide me with a link?
Great video and very informative. We have a 120 AH LiFePo4 (iTECH120X 12 Volt Lithium). Does having Lithium change much? Different charging voltage? Different setups?
@wayne McGlinn I have a lithium battery too but when he says it can handle different chemistries he never mentions lithium so I think it doesn’t and he didn’t answer your question which a lot of people are wondering now that lithium are so popular. C tek do a very expensive one like €800 lead to lithium but it’s too expensive for me
It really depends on your dc-dc charger. If he can handle LiPos than youre fine.
I have a 2nd battery in a battery box in my car which I used to power my camping fridge. I charge it when driving via the car cigarette lighter socket. It simply connects into the car socket at one end and a socket in the battery box at the other. When the engine is going it charges. When the engine is off it doesn't. I'd be interested in your comments on this system.
Hi Anne great to hear your battery is being put to good use. Is there a particular question you have? We have many detailed youtube videos on our batteries that may assist you further including this useful video on dual battery basics p1. czcams.com/video/8F6AYavY870/video.html
Cheers, Emily
So if using the dc dc charger do I still leave my kings isolator in ? Or would this replace it
Thanks for the great videos
Hey mate,
If you're adding the DCDC charger, you wont need the isolator as the DCDC charger does the same thing!
just check the user manual for whether or not you need to connect the blue wire (necessary for smart alternators) which will isolate the second battery when your ignition is off! Otherwise, without the blue wire connected it works similar to the VSR and turns off when it senses a certain low voltage.
Cheers,
Cahn
So if i add a dcdc charger, can i remove my smart battery isolater?
I like what are you doing I want to do that to my vehicle that cool I like that
Awesome - thanks 👍🏼
Can you hook up two deep cycle batteries in a series/parallel using two boxes?
You certainly can mate, just use some suitably sized cabling to connect positive to positive battery terminals and negative to negative to connect in parallel. Cheers Brenno
What about lithium battery charge needs
Hi champ I'm new to this game. Can you tell me about the red on off switch on the kings battery box. And how and when it should be used. Cheers
Hi mate, use the red on/off switch when you want to completely isolate the battery so no power is going in or coming out - like when it is stored for extended periods of time. Cheers for watching! Brenno
So with a dc dc charger, do I still need an isolator? Can I just use a manual isolator or is a smart isolator recommended? ACA will the aux battery drain the starter?
Hi there,
Our DCDC charger has an inbuilt isolator.
Cheers, Courtney
i see that the solar panel connects via the left plug whats the right side plug used for ive never seen anything plugged in there
It’s just an output for power - so you can plug just about anything in there so long as you don’t overload that circuit!
Cheers,
Cahn
Hi guys, I have a TOYOTA estima 2005. I purchased a dcdc battery box from another company and need to know where the blue wire gets connected to. I'm having a lot of trouble getting a response from the other company. Many thanks, Steve
Hey mate, what dc to dc battery do you have?
have you sussed out kickass products
Why do I need a take a negative cable to the back of the vehicle, can't I just connect it to the chassis like the starter battery then I would only need one heavy duty cable to feed through to the back of the vehicle ?
Hey mate,
You can but running a separate heavy duty cable is just a better option.
In most cases earthing to the chassis will work - it’s worth checking the voltage drop though as steel is less conductive than copper!
Cheers,
Cahn
can i use a DCDC charger on my 2005 landrover being an older car?
Hi there, Yes, you most certainly can. Kind regards, Rachael
Which is the easiest to set up between the solar and running the cables to the alternator and start battery?
Solar is arguably easier, but it really depends on your vehicle. Utes make it a lot easier for either as you can easily run wire underneath the vehicle and into the tub or canopy. In a wagon you'd generally run the wiring through the vehicle under the carpet. Either way fuses or circuit breakers are essential!
But you'd require a lot of solar panels to equal the output of your alternator - so it's not really a fair comparison.
If you had a 100A Alternator charging at 14.4V, you'd need about 1400 Watts of solar to charge the equivalent amount.
You don't technically need to run to your alternator as that's all factory fitted in your vehicle. you do need to run the wiring from your start battery through to your auxiliary battery though. with solar input you just need to run the wires from your solar panel to your auxiliary battery (with a regulator and fuses)
What are you thinking for your setup and I can offer some more advice!
Cheers,
Cahn
For the 25a wire kit (I have a 25a dcdc charger), is the negative wire connected to the negative port of starter battery or earth of vehicle? I can't get mine to work unfortunately
Hi there,
The negative wire for the wiring kit is connected to the starter battery, you can find a video to assist further with installation here - czcams.com/video/LMLZ7KmbZ8k/video.html
Cheers, Courtney
@@4wdsupacentreAu cheers Courtney. I've connected the 25a from the starter battery in hood to the auxiliary battery in the Ute tub via the dcdc charger. I've been driving for a combined time of just over 2 hrs today and the voltage has not moved from 13.4 (on the battery box screen) since before I left home. Not too sure why that is. Was hoping with the driving I've been doing today alone that at least the voltage would go up more.
@@4wdsupacentreAu just a little frustrating because I just bought the wiring kit, dcdc charger and battery (as well as battery box) on new years eve and hoping everything is working fine before camping with family this weekend. But the voltage for the 120ah lithium battery hasn't moved since I bought it and connected it to my Ute.
My truck is outfitted from the factory with a second mounting location under the hood for an auxiliary battery. I'd like to mount it there, would you guys?
Will the 2nd battery be a lead acid or an AGM (absorbent glass mat) battery? You must know that before you can expect a knowledgeable answer.
@@bentnickel7487
I think I would prefer an AGM battery.
Your truck's starting battery is lead acid and can take very high starting temps. AGM on the other hand don't like temps over 120 degrees Fahrenheit, so in the summer that AGM will be damaged if it's under the hood. What year and model is your truck and are you located in the U.S. or Australia?
@@bentnickel7487
I'm in the US. I've got a 2013 Silverado.
Ok. I am as well.I imagine both of those batteries are lead acid due to the heat factor under the hood. So many vehicles today MUST rely on two batteries to maintain smart parts on climate control, power accessories, alarm systems, etc. So, you'll need 2 lead batteries under your hood and an AGM, probably located back in the bed. You don't want any batteries in the cab with you, if you can avoid it. Also, so many people start adding batteries, relays, chargers, fuses, wiring, but NO ONE ever has an ABC fire extinguisher when something catches fire.
Can DC DC charger go under the bonnet?
Hi there,
Unfortunately our DCDC chargers are not suitable for under the bonnet use.
Regards, Courtney
Dc dc charger. No lithium mentioned on the unit!?
this wouldn't happen to be sponsored by Kings would it?
Hi there, We are the manufacturers of adventure Kings Products =)
Cheers
Saleha
Thankfully Jeep Wranglers don't have a smart alternator, so it's easy to build a dual battery kit.
AGM batteries only charge at 14.4 volts 4wd supacentre gee wiz lol
Hey Adam it's actually dependent on the battery itself - generally they'll require 2.4 to 2.45V per cell. IMaybe I should've been less specific, but I figure this is a basic video so it's just showing that different batteries require different charging voltages.
With 6 cells in a 12V battery: 2.4*6=14.4V. You're right, some need 14.4V - best idea is to look at the individual battery specs and use a charger that's able to select for voltage or battery chemistry.
Another good idea is to use a charger with temperature compensation as the V/cell will change depending on the batteries temperature and internal resistance.
Cheers,
Cahn
who else drives to the beach to stare at a tailgate??
Volvo