₦airaland Forum

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adrusa:
Bolded is not true bro. With 100A out of 100AH AGM, your voltage will sag so crazily that your inverter will shut down. One reason why people can take large amp out of even a small lithium battery is that lithium maintains a good voltage until almost the bitter very end. Lead acid on the other hand will lose voltage quickly as you load it.

100A out of 100AH AGM will probably last you about 5 minutes before you voltage becomes too low to sustain your inverter!

Go and Verify!

How will it achieve that, that 5 mins is a dream. The other aspect is that you will not get anything close to 100AH out of the fully charged 100AH LA..... It's like people think some of us only use lithium without any LA experience.

NiyiOmoIyunade:
Savvy folks like you should be wary of putting out info in this manner so as not to mislead non technical people.

One could run a 120a load on a 100Ah Lithium bank or a 100Ah AGM bank no trouble - in both cases the backup time will be super short (less than 1 hour) as peukert is real for all battery chemistries.

What am I trying to say? It is impractical to use a battery this way in a residential setting as people want a battery to carry them over several hours - practically, most people will not use their battery above an average C10 discharge regardless of the type.

With the Lithium packs, we all know that there is the integrity of the connections to consider as things may get hot very fast at high C rates - yes Lithium is the superior chemistry and will last longer than similar lead acid under harsh use conditions but no one I know uses his Lithium battery pack 1C or more in a residential setting.

The bolded is very misleading and I mean very... Tell me in practice how you will run 120A on a 100AH lead acid without the lvd getting hit in seconds (no matter how low you set it) but this can be achieved with lithium rated above 1C. Savvy folks like you should not make this too complicated than it should. Lithium takes more c rates while maintaining stable voltage than LA, that is the main point of the discussion and it's as simple as that.

samnaija:
Niyi you don't need to explain , there think people are gullible to everything. That was why I asked na pure water factory.

This comment shows that the intentions are different but ofcourse since Niyi has further corroborated and dignified the misunderstanding it's fine. Make I dey run my pure water factory as you even claim some of us are gullible...na wa o... people dey talk anyhow here sha.

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toluxa1:
Is this not induction?

Yes it's not, it has element in it, check the second picture

samnaija:
You seem to like this LA and lithium talk.
The message is for new entrants into renewable energy.
You just stated your size of bank again, that is why you can confidentiality use all your appliances. Someone said you can get away using heavy load regular,with a smaller lithium bank, how? and why?.

Battery chemistry either lithium or lead has a shelf life or number of cycles before they pack up. If you have a large load on a small bank no time soon you go change naira to dollar.

And by the way I take more than 100 amps from my lead on good sunny day, my battery will sit comfortablly at 55v. While All the chores in the house being done.
My bank is a mere 48v 600ah,but my panel arrays do their job diligently

Bro that's not from your battery it's from the sun god....do it at night Bro and share screenshot, it's good we have similar AH capacity.

The obvious message that needs to be passed across to new entrants is that it's easier and safer to pull(or put) more current to lithium than LA without it having any negative impact on the cell. You can actually do 100A from a good 100AH lithium so long as the connection components are well spec'd for it.

samnaija:
Here we go again. To All , this man has a big battery bank whether lithium or lead it's easy to take that much from your bank so far it is a big bank. The word is big bank .

Now to first timers entering renewable energy and you don't have his kind of large bank , you buy a small scale bank and try it , your cycle of battery will be halfed in no short time.

You can't take that much from a LA of 510AH 48v and still be above 52v, so not as easy for LA.

oldienavie:
Bros can you please share a picture/information about the type of hotplate that you use with this please ?

That's what it looks like

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earthrealm:
The power of lithium..ur bank is 48v 510ah abi?.

Yes Sir!

ojesymsym:
With the present rate of gas, only this one is more than enough benefit. What about night cooking, how do you manage it? You take that off the batteries?
I also assume you use an induction cooker? I have not been able to use the one I bought last year. Looks like it is not compatible with my pots. Maybe it is time to give it another looking and required pot investment.
One problem is being that the pot is the required one.

Madam was doing her thing in the kitchen at the time of taking this screenshot plus 2 ACs on. I use electric cooker, those type that have glass covering. They are probably faster than some has cookers and are pot independent

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sethtsadopp:
Almost everyone I know using Solar has been complaining about the weather. I say let me come and ask how you guys here are coping (especially those off grid) ? Are you guys supplementing with generator? Do you haave oversized panels? Asking so I know how to plan ahead do such seasons.

Have been basically off-grid and we already gave out our Genny as well. We use renewable energy for basically everything, from cooking to Laundry and air conditioning but during this period we had to prioritise:
- Weather was cool so AC out
- Pump less frequently
- Power either fridge or freezer
- Turn to a year old gas cylinder backup for cooking

Overall it's good to have a large array my little 8kw have been doing an average of 9kwh hervest daily as against average of 25kwh on normal day but we still have light. The attached screenshot will give you an idea how deep I discharge my cells lately. Thanks to LFP

adrusa:
Possibly the worst week for solar in the South West for as long as I can remember.

You can say that again Bro, for off-grid people like us, had to reactivate the gas cooker

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