NewStats: 3,264,439 , 8,183,718 topics. Date: Wednesday, 11 June 2025 at 06:03 AM 5y1t3h

EduTechTainMent:

Suoer 2000w/12v sachet inverter

It's gone.
To get the SMD ics and all that stuff is not worth the stress.
It's even cheaper to replace it

Wonder1844:
My Charge controller with this error display
The product is Felicity 120A charge controller.
I have disconnected the battery it still shows the same.
What's the possible solution please

E4 mean battery voltage is high
Does it charge at all?

Trippledots:


So I did a test today with a victron quattro and got about 61% efficiency. I've done this before though and had to repeat it to be sure I was not making mistakes.

This confirmation led me to do some research and I found this....see pix attached.

Link to full article [url]https://unboundsolar.com/solar-information/inverters-article#:~:text=The%20efficiency%20of%20an%20inverter,when%20running%20very%20small%20loads.[/url]

In summary,these "cheap chinese knockoffs" as some people like to refer to sachet inverters, are not bad at conversion efficiency, and basic protections.

How did you do the test?

Hello great people🫡🫡🫡
Happy Easter Monday, I hope you all get to enjoy the celebration.
Please can anyone enlighten me about the difference between 60cells and 72cells 300w solar ?
Why is 60cells 10-15k more costly than 72cells?

RickyM:
Hello great people🫡🫡🫡
Happy Easter Monday, I hope you all get to enjoy the celebration.
Please can anyone enlighten me about the difference between 60cells and 72cells 300w solar ?
Why is 60cells 10-15k more costly than 72cells?

0. NIGERIAN FACTOR: (Yes, read it again, NIGERIAN FACTOR)
In Nigeria, a seller will inflate the price of an item based on the frequency of sales of that particular item. Naturally 60-cell s are gradually being deprecated so it's meant to be cheaper than any other higher cell up to 144-cells
So your question should be: WHY ARE PEOPLE BUYING MORE 60-cell s against 72-cell s?

1. Client Category:
60-cell solar s are much more common for residential solar installations, while 72-cell solar s are more commonly used for commercial or other large-scale projects. There are a few key differences between the two that will impact which option you choose, regardless of whether you're installing for your home or business.

2. Dimensions:
72-cell solar s have more photovoltaic cells, therefore, they are larger than 60-cell s. When it comes to dimensions, 60-cell s are usually built six cells wide and ten cells tall. 72-cell s are also six cells wide but have an additional two rows of cells that make them a bit taller. What does this translate to in feet and inches? 60-cell solar s have an average dimension of roughly 5.4 ft by 3.25 ft. 72-cell s will roughly be the same width and average around 6.5 ft in height.

This extra space can make a big difference when it comes to your solar system design. If you have plenty of uninterrupted roof space or a lot of land for a ground-mounted installation, you can likely go with 60 or 70-cell s. But, if you're going to have limited space for installation or a more complicated layout (such as a lone on a dormer or a small garage to fit a few s), most installers are going to recommend 60-cell s. Because they're smaller, they'll be able to fit in more tight spaces that may not work for a 72-cell . The same is true for roofs that are narrow - if your local jurisdiction or fire department has strict setback codes for solar arrays, 60-cell s may also be the better option because they are shorter. A lot will depend on the specifics of your roof and your preferences for the layout of your array, so it's a good idea to talk to an installer about your options.

3. Cost of installing:
The cost of installing 60-cell vs. 72-cell s may also vary a bit for your installation. 72-cell solar s tend to be cheaper to install on a large scale, which is why they're more common for commercial applications. Because each has more solar cells, you can typically install fewer s to generate the same amount of electricity. Fewer s mean less racking is necessary, which helps cut down on overall equipment and installation costs.

On the other hand, 60-cell s are lighter and easier to install, which is why they're more common for residential rooftop installations. This can mean lower labor costs for the installation. For large commercial installations, the extra size and weight of a 72-cell aren't as much of an obstacle because cranes are often used to lift the equipment to the rooftop.

4. Wattage and power output:
72-cell s can have higher wattages and power output than 60-cell s because of the additional photovoltaic cells, but that's not always the case. In fact, the number of cells in a doesn't have a direct correlation to its power output. The power output of a is more dependent on the quality and durability of the solar cells themselves.

5. Other factors to consider when choosing solar s:
For cost, it's a good idea to compare your 60-cell and 72-cell options on a cost-per-watt ($/W) basis. Similar to looking at dollars per square foot when shopping for a home, looking at $/W shows you what the cost of a turnkey solar installation is on a per-watt basis. Looking at this factor will allow you to standardize the price of installations using either 60-cell or 72-cell s, especially if you're comparing different system sizes.

The biggest difference between a 60 cell and 72 cell is that 72 cell s are about 12″ longer. Due to their larger size, 72 cell s contain 12 more solar cells than 60 cell solar s. This often makes 72 cell s a better value on a cost per watt basis than 60 cell s.

Obnoxious2001:


It's gone.
To get the SMD ics and all that stuff is not worth the stress.
It's even cheaper to replace it

The thing pain me sha. It was a new inverter. I didn't even get to use it for 5 minutes before it got spoilt while he was installing the system. I just thank God say no be my LiFePO4 battery he spoil like that. Smh

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easyyoke:
Can anybody recommend a good MPPT charge controller that has bluetooth app please such that I can easily set/change the controller’s settings on my phone. Sometime readily available in our Nigerian market.

Anybody please? Or all Charge controllers sold in Nigeria, none of them get bluetooth app?🥺

easyyoke:


Anybody please? Or all Charge controllers sold in Nigeria, none of them get bluetooth app?🥺

victron energy change controller

Obnoxious2001:


It's gone.
To get the SMD ics and all that stuff is not worth the stress.
It's even cheaper to replace it

With the right mosfets replaced,it will work

Demuda: MPPT Solar Charge Controllers

easyyoke:


Anybody please? Or all Charge controllers sold in Nigeria, none of them get bluetooth app?🥺

Trippledots:



The installer did this for you free?? Why are cables flying everywhere?

Meanwhile your system is too small for the load you are putting on it.

A proper installation might cost too much for him.

gifted65:


What do you suggest I do now?

Pay a better installer for rejuvenation.

dollarnaira:


With the right mosfets replaced,it will work

Not always Mosfet... could be the oscillating driver circuit is fried, and most technicians don't bother much with that.

If it has visited several technicians and still didn't work, then it's past Mosfet issue.

Trippledots:


An inverter AC
Clamp Metre
Sachet 5kw pure sine.

Bro you are using sachet inverter to power Ac while some people here said sachet inverter can't power a freezer

ewizard1:

Not always Mosfet... could be the oscillating driver circuit is fried, and most technicians don't bother much with that.

If it has visited several technicians and still didn't work, then it's past Mosfet issue.

True to this

mvphenryeto5:


Bro you are using sachet inverter to power Ac while some people here said sachet inverter can't power a freezer

A true rated power sachet inverter can power AC.

A quick question for all the All-In-One Inverter lovers… Does Growatt SPF 3500ES or Growatt SPF 5000ES accept “Dirty electricity” from generators please. I know many AIO systems no dey gree receive power from all these our generators because they mostly produce dirty electricity but I am hearing growatt accept dirty power. Is this true please?

ojesymsym:
Demuda: MPPT Solar Charge Controllers

Do you have a link please?

You can do a search on aliexpress, you will find the product and full spec there

easyyoke:


Do you have a link please?

easyyoke:


Anybody please? Or all Charge controllers sold in Nigeria, none of them get bluetooth app?🥺

Go for Victron with Gx Controller, otherwise only local bluethooth.
Midnite Classic Charge Controller have a LAN Ethernet port that can be connected to a WiFi and there is a good third party android app (Graham) which connect from the phone.
I used Morningstar's TriStar Mppt 60 CC to receive live view through router connection to my laptop. 600v and the new GenStar also work for it. No app is needed. Just use your favorite browser.
Another option is Schneider with Insight Local (WiFi or Ethernet)

dollarnaira:


With the right mosfets replaced,it will work

No be MOSFET be the problem.

It's beyond it

Tony Elumelu, davido's dad and femi otedola about to transfer transgression to nigerians...this one wey since easter eve i de get about 23 and half hours of electricity every day from AEDC...

Wonder1844:
My Charge controller with this error display
The product is Felicity 120A charge controller.
I have disconnected the battery it still shows the same.
What's the possible solution please

What's the input voltage from the before now? I can see 64V there.

Had a similar issue with the new 100A CC where the input used to be 135V but all of a sudden drops to 53V and can't charge the battery any more.
Error 04 is high battery voltage but seems your battery is a 48V so there is nothing high about it.

When the PV voltage drops close to battery voltage, it can't charge the battery.

I have sent it to the seller so he can take it to felicity service center for checks like 2 weeks ago and he has been giving me different excuses.

That controller has not served upto 1 month.

futurenix:

What's the input voltage from the before now? I can see 64V there.

Had a similar issue with the new 100A CC where the input used to be 135V but all of a sudden drops to 53V and can't charge the battery any more.
Error 04 is high battery voltage but seems your battery is a 48V so there is nothing high about it.

When the PV voltage drops close to battery voltage, it can't charge the battery.

I have sent it to the seller so he can take it to felicity service center for checks like 2 weeks ago and he has been giving me different excuses.

That controller has not served upto 1 month.

is it a general issue with d new cc

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Please what's the best config to get maximum harvest for 24v.

A friend offer me this 2.5kva succam
My current s are 300 (3 mono) and 250 (1 poly)

I will buy more s but no now cos omo no money, or i should just maintain my current 12v and my modified inverter

2s, 2p ?

brightk:
is it a general issue with d new cc

Don't know yet but until mentally unstable person enter market b4 we conclude say na madness true true.

Does yohako inverter editing charging profile especially 4 somone who just got lithium battery

Original Taiwan solar
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obinna37:
Original Taiwan solar
Just offloaded

330w-95k from two pieces up
420w-110k from Two pieces up
Location Lagos trade fair

please help. Someone installed this mppt charge controller for my mum and it has burnt twice at this same point (where wires from the solar s connect to the charge controller).
Happened first time, he replaced it and it happened again. He was about collecting money from her to buy another one again but this time she reached out to me.

It’s a 12v 1kw inverter system with 6x 180w solar s and 200ah battery. She uses it at her store for a small fridge, a desktop computer and fan.

Is this a problem with the power from the solar s being too much? Or the charge controller is thrash?

Please help. Any insight appreciated.