12V LiFePO4 battery charging system to 24V in minutes

Charging up faster and more efficiently with higher voltage
Everything in today's video:
Discount code for Timeusb 25.6V 100ah LiFePO4 battery: 808

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[brushbum]

Good Evening ! I'm catchin up on these older Vids whenever they come into the feed. TAKE CARE..

[seymourpro]

I'd sometimes consider the availability of 12v automotive accessories an advantage towards a 12v system. Otherwise I'd consider minimising the current in the battery leads (and connections) as resistance in the leads causes higher volts drop at low voltage. I often think that 100 amps in the battery leads is enough to worry about volts loss and unwanted heating.

[jbjensen]

Good for you - happy video. Getting the full potential of those panels/controller now and you got that 24V battery put into use. You had the components and are doing this to share your thoughts with your viewers, so it makes sense. For someone that already has 12V system run on short cables with only little powerloss and a system that is configured to full potential, a switch wont pay off. Building a brandnew system, espicially if there is long cableruns and who likes to save money on the controller and wiresize, its certainly better to configure aorund 24V than 12V.

[CampPrevost]

I use 27.6 for my bulk / absorption and 26.7 for float. I find that brings the battery to 99-100% charge and then uses the charger to supply any needed voltage above the batteries resting voltage - if that makes sense.

[vinniec]

Good video but I have a question about the inverter. I understand that doubling the input voltage gives you more power (the 24 100AH vs 12v 100Ah battery), however, doubling the voltage cuts the amperage in half, but wouldn't you still need a 1500 or 2000w inverter if that is what you had originally? Isn't the 800w inverter a little small? Granted, if your load is under the 800w, it can be powered twice as long as when you had one 12v 100Ah battery.

[robertmeyer]

That super. now you can get full power out of them 3 100 watt panels. now keep in mind that higher voltage is less amps for the watts. power watts is volts times amps. now look at data sheet for that 24V inverter and look at recommended fuse size. you may want to make a change on inverter fuse. now fine tuning your system takes time. start with data sheet on battery settings put them in charge controller and go from their. the default settings are a great starting point. that battery is the same as 2 12V 100 Ah battery's. Hear in Boston NY we got heavy snow warring. 24 in. threw the weekend what a mess. little to zero solar but I got wind ! and that works 24/7 when the wind blows. The winter months are my most power generating time of the year. now in a month you can set your panels correct. maybe show us that. I change angel of my panels . fall and spring. 2 times a year. The farther north the more you have to change. it is how the sun hits the earth. The earth is round and tilted on axes going around the sun. the earth turns once in 24 hours and takes 365 1/4 days to go around the sun. the 1/4 is why we have leap year every 4. all that comes into play when pointing solar panels. 😀

[fuppeduck]

Is there an advantage to 24 over 12 i dont understand

[devonhallassociates]

Once you connect the charge controller to the 24V battery bank, wouldn’t the charge controller automatically detect that the system is now 24V without you having to manually update the controller app?

[drd]

Will battery time last longer with a 24v 100 Ah battery vs. a 12v 200 Ah battery

[cliffwendy]

Does charging a 24v battery take longer than charging a 12v battery?

[hanklinch]

24v kicks it will spike just bump it down till it's good

[TheAncientMarinersBlog]

So with twice the voltage, you have half the current for any given wattage output. You therefore need to change all.the fuses, because right now they are oversized and no longer protecting anything.

Overall, by doubling the voltage and buying a new (smaller) inverter and battery, all you have achieved is an unsafe system capable of outputting half the wattage.

Darwinian selection in practice