₦airaland Forum

Iinnov8:
Below are customer-generated videos of the 3000w Easun Pure Sinewave inverter powering a 0.5hp and 0.75hp pumping machine.


https://www.youtube.com/watch?v=vbHrxF6W6SI?si=XIdK8LRk834lUpks


https://www.youtube.com/watch?v=wEsjL_E-Rjg?si=zAc8dvepaQKirMDG

ask4bk:
Cool. That's Mercedes for you.

I was referring to why we can't build it DIY and why isn't it a common thing today easily ready in market for all cars.

HeavenlyBang:
It's only over the last two years that LFP has become popular for home energy storage, so it's not surprising that people aren't using it for cars yet.

This is a subject we've had plenty of discussions about on this very thread, as I wanted to replace one of my car batteries with an LFP one earlier this year. One of the key sticking points, unfortunately, was price.

But it's doable. There are lots of people using DIY LFP batteries on their cars on YouTube.

Batteries are batteries at the end of the day. You just need to make sure the thermals are fine and charge/discharge make sense.

There's the option of charging directly from your alternator. But then you rely on your alternator+cells to handle your LVD and HVD points, and risk cell damage due to overcharging.

If you introduce a BMS to handle charging, you then need to make sure it's one that can also handle the high instantaneous discharge rates needed to start a car (can get up to 600A).

Ultimately, it's doable. Try it out and get back to us

ask4bk:
Nice one.
Why is it not easily ready and common in the market and DIY achieving it?

ask4bk:
Those are the complains i made.
You'll need a BMS that can handle 1000A, and then batteries that can do 3-4C to hit 500-1000A.

HeavenlyBang:
It's only over the last two years that LFP has become popular for home energy storage, so it's not surprising that people aren't using it for cars yet.

This is a subject we've had plenty of discussions about on this very thread, as I wanted to replace one of my car batteries with an LFP one earlier this year. One of the key sticking points, unfortunately, was price.

But it's doable. There are lots of people using DIY LFP batteries on their cars on YouTube.

Batteries are batteries at the end of the day. You just need to make sure the thermals are fine and charge/discharge make sense.

There's the option of charging directly from your alternator. But then you rely on your alternator+cells to handle your LVD and HVD points, and risk cell damage due to overcharging.

If you introduce a BMS to handle charging, you then need to make sure it's one that can also handle the high instantaneous discharge rates needed to start a car (can get up to 600A).

Ultimately, it's doable. Try it out and get back to us

ask4bk:
Those are the complains i made.
You'll need a BMS that can handle 1000A, and then batteries that can do 3-4C to hit 500-1000A.

AndroBlaze:
We've had this discussion on this thread earlier this year or so, and as HB indicated, people have been using lifepo batteries for ages to power their cars.

On the DIY angle, I also remember posting a video on this thread of a guy who had been using a wooden contraption with lifepo cells to power his car for like 4-5 years.


As for this assertion and CCA, this is definitely not an issue for lifepo cells as they will practically always out crank a lead acid battery of similar weight or capacity.

I believe the main issue why LFP has not been adopted universally in the West is partly because of pricing and safety concerns but now it's mainly its limitations in being charged in cold weather. No one wants a battery that you may need to swap out for a quarter or more of the year when their is a reliable chemistry one has been using for more than half a century that works fine.

EDIT: the page we thrashed this out for a bit
https://www.nairaland.com/390522/solar-energy-complement-fta/1969

Drgreatone:
Why would u need 1000amps? Unless it's a high duty truck or performance car

ask4bk:
Thanks a lot bro.


Thanks so much for that link. I'll go through it and learn more.

Dam5reey:
Na una no wan hear Sako Again
Sako service not bad..
As A DIY we do Sako

AndroBlaze:
Yes do, and glad to see you edited your post also.

All the things you brought up earlier had already been discussed in those pages and it turned out to be an interesting discussion with real life experiences shared.

Compliant:
Greetings All

Please i noticed that anytime i switch to Napa to charge my inverter once the battery gets to 100% the felicity inverter will go off with error code and once i remove it from nepa it will begin to work fine

Note: This does not happen while using solar

Will appreciate your help


Inverter is 5kva 24v felicity
Battery is lithium 8.5
Charge controller is 120Ah felicity
Panel is jinko 8 pieces of 615w

Thanks

ask4bk:
Share the error code. That's how you diagnose.

TSHIRT2:
I have once on this thread confirmed that my own 3000w24v is what am using to pump my 0.75hp borehole even as I write this it's pumping.

dollarnaira:
Team Satchet dumb inverter , no error codes.

Collione:
Hello fam. I'm considering the luxsun brand for both inverter and lithium. Is it a good brand. Are the fan quiet on load as well Please I need advice .

ask4bk:
Modified or pure sine wave?

dollarnaira:
Pure

ask4bk:
Pls where did you buy it? I was just about to buy from aliexpress.
I believe you bought here.
All the ones i see here are modified sine wave.

Helep me abeg with source

ksmart027:
I just sold mine yesterday 24v 3000w. But you can chat linnov, he sells them too.

burnerr:
Good evening house.
Has anyone here used ZnShine panels and can they kindly give a review of it's efficiency?
Thank you in advance.

TSHIRT2:
I have once on this thread confirmed that my own 3000w24v is what am using to pump my 0.75hp borehole even as I write this it's pumping.

ask4bk:
Cool..
I need it in 12v. Linnov

mctfopt:
This fault likely indicates a momentary voltage drop (sag) on the inverter's DC busbar under load, rather than a sustained low battery voltage.
Potential causes and solutions include:

1) High Inrush Current: Large appliances (like fridges) starting can cause a brief, significant current draw and voltage dip. Solution: Reduce peak loads, increase inverter's "Max Discharge Current" setting.

2) Poor DC Wiring/Connections: Inadequate cable size or loose connections create resistance and voltage drop. Solution: Inspect and tighten all battery cable connections; ensure cables are appropriately sized.



3) BMS Issues: Intermittent communication, a weak cell causing the BMS to trip, or overly aggressive BMS low-voltage settings. Solution: Monitor individual cell voltages via the JK BMS app during the fault, verify communication, and review BMS low-voltage limits.


Troubleshooting involves identifying specific night-time loads, monitoring inverter and BMS data during the fault, and checking all DC connections.

easyyoke:
I hope this installation is for yourself and not for a client sha, cos when this inverter wahala starts, omo!

1. This nonsense inverter is extremely loud whether my load is 10W or 1000w. It is screaming in my ear all day. Very terrible extremely loud fans. 2. I got the 2kva own, once my load passes 1300w, the baba goes off immediately. Even at 0.8power coefficient, it should be able to power loads up to 1600w. I am wondering why they called it 2kva when it clearly cannot handle more than 1300w load 3. All of a sudden it doesn’t charge my battery more than 15A. I have done all the necessary settings. It seem to be misreading my battery voltage. Only when my battery is extremely low that it starts charging. Once my battery don reach 30% like this, it believes the battery is full and stops charging. Thank God I am only using it as a backup. Sako batteries are said to be good, but you see this their inverters, you are on your own