Hello house, please how good is Cworth lifepo4 lithium battery compared to Blue carbon battery?

abuuthmaan:
Hello house, please how good is Cworth lifepo4 lithium battery compared to Blue carbon battery?

Cworth is well built. With New under capacity Cells.
Their 48V 5kwh pack, is 4.4kwh.

Blue carbon compromise on quality of cells used.

What's your offer!

Braaad:
Thanks for your response sir.

I appreciate.

I currently have very serious issues with the batteries I bought from YOHAKO and I want to be sure the issues are not peculiar to me as the dealer wants to make it seem. I bought 5units of those batteries. I used 4units for a setup, and they cannot support 2000w of load for 10hrs.

Once the sun goes down by about 5pm, the battery drops immediately.

I want to have more feedback so I will be sure this is not peculiar to my case only.

Is the setup hooked to a decent hybrid inverter?.
Or do you have a means of logging daily energy harvested from solar panels and energy consumed by load.

You say the system shuts down by 5pm and you installed the setup, so am assuming you are a bit knowledgeable.

1. Are the 4 batt banks connected with same cable size and lengths to a busbar..wherein the inverter picks up the energy from?

2. When the system shuts down by 5pm...have you checked the individual SoC or voltage of each battery pack?

Dam5reey:


Cworth is well built. With New under capacity Cells.
Their 48V 5kwh pack, is 4.4kwh.

Blue carbon compromise on quality of cells used.

Thanks
I intend to buy the 48V 10kwh

bassdow:


yea you're right.

What I meant is, it's way easier buying genuine leadAcid battery, than Lithium battery because at least we could seek with brand name, thhen go through the task of confirming thhe battery isn't repackaged.
For Lithium, we mostly are at mercy of the dealer. Not like we could go and buy a particular brand of lithium battery. Maybe if we start having established companies / brands who sells such, then would make it easier, else you're forced to rely on a dealer, who either hhave no track record, or don't mind much should their reputattion get soiled.

Even solar panel gan sef, a lot of people buy used PV as brand new. dem no know say most dealers get brand new stickers, all they need do is wash the solar panels thoroughly, then sort them accordingly.

Finally person Don break this table...

I was telling one of my Oga from this thread most New panels na. Chinko whey my brothers dey tidy..

I have installed a lot of them and I can tell you most of thrm are fragile just inspect the. Wire e get 1 company I no wan spoil their business

toyeoye:


E get one youth wey him name end with IE. He dey always form queen's English ontop call
This guy almost chew me raw 100%.

He say na youth

The system runs with 3 units SRNE inverters (which I trust to be "decent" -connected in parallel.
I use Orange Pi with Solar Assistant for data logging daily since the system was installed.
This logs daily energy harvested from solar and consumed by the loads, and also the SOC of the batteries at every time.

The system doesn't shutdown by 5pm, the battery energy or SOC just drops from 200% to within 59% to 48 %.

(The batteries must have been fully charged till floating - end of charge current pull from the battery is about 0A to 1.8A on average.

With a load of about 2000w connected to the system, the battery will dip to 48% immediately the sun goes down.

earthrealm:


Is the setup hooked to a decent hybrid inverter?.
Or do you have a means of logging daily energy harvested from solar panels and energy consumed by load.

You say the system shuts down by 5pm and you installed the setup, so am assuming you are a bit knowledgeable.

1. Are the 4 batt banks connected with same cable size and lengths to a busbar..wherein the inverter picks up the energy from?

2. When the system shuts down by 5pm...have you checked the individual SoC or voltage of each battery pack?

primefaith1:


Are the 4 units communicating?

I had used the communication cables that came with the batteries to connect between them. But no communication between batteries and inverter. ( I think to he inverter doesn't have the battery protocol preset on the inverter)

Braaad:


I had used the communication cables that came with the batteries to connect between them. But no communication between batteries and inverter. ( I think to the inverter doesn't have the battery protocol preset on the inverter)

Go to page 14 of the manual and see how to communicate the batteries.

1 Master and 3 slaves.

The communication is done by using the dial switch on the battery.

Braaad:
The system runs with 3 units SRNE inverters (which I trust to be "decent" -connected in parallel.
I use Orange Pi with Solar Assistant for data logging daily since the system was installed.
This logs daily energy harvested from solar and consumed by the loads, and also the SOC of the batteries at every time.

The system doesn't shutdown by 5pm, the battery energy or SOC just drops from 200% to within 59% to 48 %.

(The batteries must have been fully charged till floating - end of charge current pull from the battery is about 0A to 1.8A on average.

With a load of about 2000w connected to the system, the battery will dip to 48% immediately the sun goes down.

All the 4 battery packs drops instantly to 48% soc? At the same time?

If so i suspect some cells in the pack are out of balanced.which is why i prefer these diy/custom built packs, with bluetooth BMS that enables you see the individual cell capacity & voltage.

But strange that all 4 packs will have this issue simultaneously. Must be a very poorly built pack...
At this point, only option is to explore the warranty option.

If out of waranty, open up and capacity test the cells, top balance then slap on a jk bt bms with 2amps balance current

earthrealm:


All the 4 battery packs drops instantly to 48% soc? At the same time?

If so i suspect some cells in the pack are out of balanced.which is why i prefer these diy/custom built packs, with bluetooth BMS that enables you see the individual cell capacity & voltage.

But strange that all 4 packs will have this issue simultaneously. Must be a very poorly built pack...
At this point, only option is to explore the warranty option.

If out of waranty, open up and capacity test the cells, top balance then slap on a jk bt bms with 2amps balance current

🤣🤣🤣🤣
@slap on. If the cell knack you back nko?
Very good advice

microgiant:


Boss, see the This advert. for inverter

Then buy this panel from fouani //fouanistoredotcom/ng/en/product/jinko-475w-monofacial-solar-panel N148K X 3 #444,000

you get balance of #1,260,000 to buy battery if it is LIFEPO4 battery, you can add more later, also the panel you can add later

Due to your battery and panel capacity, you can only watch TV use energy saving bulbs like 5 and Rechargeable Fans, laptop and phone charging.

Inverter bought from Valto, it is working great unlike the 1500w I was using before, which developed fault. It has been serving me since 2019, although I suspect actual capacity may be 500w. They just added 1 in front of the 500, because if the TV and Decoder only is on and I plug in a phone charger, it goes off and comes on again.

But after getting this from Valto's shop in Bayelsa, the story has changed. previous inverter became faulty October this year (2019-2023, and i don't have enough time to change the fet yet, that is why I bought the replacement, it will serve also as a backup after repairs.

Advice for those who are still waiting for millions to install an inverter system, I live in a rented apartment and can't install panels on the roof, no enough space in compound.

My system in use since 2019, sachet inverter 1500w, 40A Lifepo4 x3 in parallel, Powmr 60a mppt solar charge controller, 160w x2 connected in parallel (installed on Fence), I have not bought much fuel since to watch TV, charge phones and use my Laptop while at home. Generator is fueled only to pump water.

I use TV, Decoder, 2 AC/DC Fans connected to the inverter and 5W DC 12v bulbs connected to the batteries.

Note: my panels are installed in the wrong orientation, facing North instead of South.

Wow! Brand name batteries with their fake capacity labels.

But most people would think a locally built battery with real same capacity should be cheap!

Meanwhile, my "Locally Built" 24V 200Ah Real Capacity Lithium-ion battery is still available. Coupled with a Local Brand BMS and Super Active Balancer.

Again! It is not cheap!!!

Call/WhatsApp- +234 7Ö3 861 6199

Good morning guy, can I use my tubular battery during its automatic equalization?

microgiant:



Advice for those who are still waiting for millions to install an inverter system, I live in a rented apartment and can't install panels on the roof no enough space in compound.



Note: my panels are installed in the wrong orientation, facing North instead of South.

Where did you install your panels?

mctfopt:


Where did you install your panels?

probably on the fence .some landlord na werey, one said u are free to install on the roof, but will not be allowed to remove it, even if u are packing out, it becomes landlords property.

mctfopt:


Where did you install your panels?

A welder used angle iron bar to fabricate the structure which I nailed on the fence and placed the panels inside, tied with binding wire.

I believe some folks have made a case for North instead of South before. If I remember the argument correctly, it is that during the rainy season when you want to squeeze as much son from the sky as the sun is usually on the Northern hemisphere but that during most of the dry season that is when it moves to the south.

microgiant:



Note: my panels are installed in the wrong orientation, facing North instead of South.

I had almost same issue with my system (5kva Deye inverter and 5kwh Deye lithium battery), the communication cable was not properly plugged so there was no communication with the inverter and the battery so the readings was off.
The inverter kept pumping current to the battery till the BMS shuts down and stops charging and battery SOC on the inverter will read 60% while the battery indicator suggest charge above 80%, I reached out to the guys at Xtra power where I bought the battery and was asked to confirm the connection which solved the issue after I reconnected the cable.

You need to establish communication between the inverter and the batteries to enable the inverter have a proper information on the battery or try and play around with the settings.

Braaad:


I had used the communication cables that came with the batteries to connect between them. But no communication between batteries and inverter. ( I think to he inverter doesn't have the battery protocol preset on the inverter)

Ferdiwar:
I had almost same issue with my system (5kva Deye inverter and 5kwh Deye lithium battery), the communication cable was not properly plugged so there was no communication with the inverter and the battery so the readings was off.
The inverter kept pumping current to the battery till the BMS shuts down and stops charging and battery SOC on the inverter will read 60% while the battery indicator suggest charge above 80%, I reached out to the guys at Xtra power where I bought the battery and was asked to confirm the connection which solved the issue after I reconnected the cable.

You need to establish communication between the inverter and the batteries to enable the inverter have a proper information on the battery or try and play around with the settings.

Could you have set the charge settings manually on the inverter as backup instead of relying solely on the coms?

It's nice to see Deye lithium around, how much was it?

microgiant:


A welder used angle iron bar to fabricate the structure which I nailed on the fence and placed the panels inside, tied with binding wire.

That's a genius move

Valto:
probably on the fence .some landlord na werey, one said u are free to install on the roof, but will not be allowed to remove it, even if u are packing out, it becomes landlords property.

That landlord na thief.

He should buy panels, if that is what he wants

Valto:
probably on the fence .some landlord na werey, one said u are free to install on the roof, but will not be allowed to remove it, even if u are packing out, it becomes landlords property.

Werey landlord! Na this kind behaviour dey make tenants sell landlord house.

mctfopt:



That landlord na thief.

He should buy panels, if that is what he wants

He is most likely concerned about damage to his roof during removal.

Hybrid600:


Werey landlord! Na this kind behaviour dey make tenants sell landlord house.

If you were in his shoes you may also think twice.

Juror:

If you were in his shoes you may also think twice.

Definitely I'll be concerned about leakages but saying I'll inherit the panels when the tenant is moving away is another thing entirely except I offer to buy them.
Best an agreement is reached to seal the roof properly after the panels have been removed.
I know many landlords don't joke with their roofs

Ferdiwar:
I had almost same issue with my system (5kva Deye inverter and 5kwh Deye lithium battery), the communication cable was not properly plugged so there was no communication with the inverter and the battery so the readings was off.
The inverter kept pumping current to the battery till the BMS shuts down and stops charging and battery SOC on the inverter will read 60% while the battery indicator suggest charge above 80%, I reached out to the guys at Xtra power where I bought the battery and was asked to confirm the connection which solved the issue after I reconnected the cable.

You need to establish communication between the inverter and the batteries to enable the inverter have a proper information on the battery or try and play around with the settings.

What lithium profile did you use on the inverter?

Yes of course, the inverter is designed to work with other batteries too.

To manually set the charge profile you'll have to select either battery voltage or % (frame 1) and adjust the charge parameters accordingly (frame 2).

I got the battery @1.350m.

Edit: sorry I couldn't upload the pictures

Juror:


Could you have set the charge settings manually on the inverter as backup instead of relying solely on the coms?

It's nice to see Deye lithium around, how much was it?

The inverter automatically detected the battery to be a Deye battery when I connected the communication cable properly and used the default reset settings for Deye batteries. Same also goes for most of the known battery brands like pylontech etc.
For the unknown brands it will adjust to the charge/discharge profile from the BMS or you manually adjust it based on the battery information.

mank1234:


What lithium profile did you use on the inverter?

Hybrid600:


Definitely I'll be concerned about leakages but saying I'll inherit the panels when the tenant is moving away is another thing entirely except I offer to buy them.
Best an agreement is reached to seal the roof properly after the panels have been removed.
I know many landlords don't joke with their roofs

Sealing a roof is like joining wires.. no be everyone sabi do am well.
Damage to roof means damage to other materials like wood, POP etc.

Juror:


Could you have set the charge settings manually on the inverter as backup instead of relying solely on the coms?

It's nice to see Deye lithium around, how much was it?

If comms is removed then, manually setting is active..
I just prefer comms anytime cause the BMS is telling the inverter the battery condition and allows charging/discharge accordingly..