₦airaland Forum

bassdow:
Hybrids are more efficient but very fragile and even that efficiency is almost equal to the non-Hybrid (transformer based) ones nowadays. The gap used to be wide back in the day .

bassdow:
Abeh make una helep me drop reviews (both negative and Negative) on this brand

SRNE ML4860 60amps MPPT controller.

Intends adding it to my collection.

xzynwa:
I want to get this welion 12v 1kva hybrid inverter.

From data sheet, the max solar power is 600w.

The max voltage input is 150vdc.

Max mppt solar charge current is 40amp.

The problem is that the manual does not have max solar current input.

Meanwhile, the plan is to use a single 605w ZNshine bifacial solar panel with;
Vmp: 34.7
Imp : 17.44
Voc : 41.7
Isc : 18.37

With a 25% rear side gain, it has the following ratings;
Pmax: 756w
Vmp:34.8
lmp: 21.73
Voc: 40.8
lsc: 22.89

I am really bothered about not going above the max solar input current.

Can this solar panel work together with the inverter with any issues as regards the input solar current.

Does the max solar input current not matter?

Trippledots:
I've mistakenly done the bolded on a regular, cheap powmr CC. It handled it well. Although I no try am again. 😂

ask4bk:
Its solid. As solid as its felicity cc compatriot.
Only that it supports only 20a for the load output. But that should worry you only if you are trying to connect DC load to it which i guess you won't. You are properly just using it to charge your battery and your inverter is handling AC loads.

You can also trust Growatt charge controllers. I've only seen their 120a sha over 400k.

Felicity, Growatt and this are great choices for external charge controllers.

ask4bk:
I often see many here thinking that hybrid means transformerless while non-hybrid means transformer based. That's wrong.

Hybrid only means it does not do only inverting. It also has an extra function, in this case, a charge controller that can accept your pv arrays.

Transformer based are just low frequency inverters while non-transformer are high frequency inverters.

Many transformer based inverters today are hybrids. And they are the most solid in holding heavy inductive loads over high frequency inverters.
You are absolutely right that many can't repair these low frequency inverters. They are the new development in the solar inverting world today, but they have their big disadvantages too which i believe further scientific developments are improving and making better. The fact still remains that they are still fragile as you said compared to versions they are trying to improve on.

ask4bk:
Its solid. As solid as its felicity cc compatriot.
Only that it supports only 20a for the load output. But that should worry you only if you are trying to connect DC load to it which i guess you won't. You are properly just using it to charge your battery and your inverter is handling AC loads.

You can also trust Growatt charge controllers. I've only seen their 120a sha over 400k.

Felicity, Growatt and this are great choices for external charge controllers.

litaninja:
And do you have control on the quality / spec of what's baked inside a standalone charge controller? How?

ask4bk:
Once i see that kind of display layout, even if they type the MPPT in capital pro max letters, i doubt it and run. They are just glorified pwm. I tell people a lot to change them to something better. Even felicity has one of the most solid real MPPTs.

I'm a person that love to use external CC if though i use hybrid inverters. It's for a personal reason many may not agree with. So i always want them to be solid and effective.

bassdow:
Finally bought SRNE ML4860 mppt charge controller. Bought it used 60,000 naira + 10,000 naira (transportation).
Hopefully, it matches my taste else I would sell it.

As per the load being only 20amps, I can't use a charge controller without using that load port Ooo.

I built a couple of things that 70% of my loads don't use your regular inverter.

My Core i7, Core i5, and a couple of other PCs all run directly off 12-volts.
Even my 39-inch LED Tv-Monitor, and the 24-inches LCD monitor, all run directly from 12-volts.
Tv Antenna (the rotating type) runs off a USB port (5-volts). I just comot the transformer wey dey inside, attach USB cable to it and voila, e work.
Routers and Modems all run on 12-volts.

All my Fans are the regular DC fans I bought used from Arena Oshodi + a few I bought from Aboki Condemn which I fix and repurposed to permanently run off 12-volts.

Then I got a couple of high powered Desktop PCs I built; those need more than 12-volts but less than 20-volts due to the nature of work they do.

So you see, a lot of my appliances need direct 12-volts and to keep costs low, while supplying clean power devoid of noise, I use that port + should power run low (less likely but possible), it auto shuts down and wouldn't drain the battery bank enough to cause damage.

For all the charge controllers I got, I use all those ports, (including the USB ports for those that's got it); those that could cause an issue (due to high current draw), I built a circuit for them to ensure the power is clean enough. I try not to use inverters as much as possible. Na only chest freezers and occasionally pumping machine need inverter and those got their own separate installation

ask4bk:
You find way manage the 240w limit wey the charge controller go give you be that.

ask4bk:
You find way manage the 240w limit wey the charge controller go give you be that.

ask4bk:
Once i see that kind of display layout, even if they type the MPPT in capital pro max letters, i doubt it and run. They are just glorified pwm. I tell people a lot to change them to something better. Even felicity has one of the most solid real MPPTs.

I'm a person that love to use external CC if though i use hybrid inverters. It's for a personal reason many may not agree with. So i always want them to be solid and effective.

favouredbymercy:
Please who sells coulomb meter?

bassdow:
Let me remind us something just in case:

Hybrid inverters got it's advantages and disAdvantages; same with non-hybrid inverters. It's when you know [some of] them, you make an educated decision.

My major issue with hybrid inverters irrespective of the brand is, they are more fragile. No matter how bad a non-hybrid inverter goes, chances of successful repairs remains very high + they are more rugged. Same ain't easily true with Hybrids.

Yea most people believe they saving on charge controller costs BUT a percentage of that already makes up that inverter. That a vendor / dealer advertises a product as free delivery doesn't mean you still not paying for it - they just found a way to not make it obvious.

Then there's issue of damage - should a hybrid inverter go bad, the embedded charge controller goes along with it and if at end of the day Repairs were unSuccessful, that's the end. You don't just loose the inverter alone BUT also the chargeController.

How about upgrades ? That's impossible without changing the entire inverter, or buying an external charge controller. And yea, there are a plethora of reasons you might decide upgrading.

Do I have to remind you that you have no say on the quality and spec of what's baked inside in - it's more of complementary.

Back when the Naira wasn't as low as it currently is against the dollar, I often suggests sachet inverters to people on tight budget mostly because they were CHEAP and more efficient than transformer based inverters. Should it go bad, just get another because as at then (even now), repairs were/are [almost] nonExistent. but ever since they now cost a lot, I no longer recommend them because I can't imagine someone spending over 100,000 naira on something that should it ever go bad, you have no choice than to toss it away like you would a headSet.

I happen to know some of these things mostly because I used to be a technician (actually a DIY hobbyist) though now focus on IT full time. That doesn't mean I still don't build or tamper with things every now and then.
You could even ask any inverter repairer and if they're honest enough, would tell you same thing or more.

Hybrids are more efficient but very fragile and even that efficiency is almost equal to the non-Hybrid (transformer based) ones nowadays. The gap used to be wide back in the day .

before One goes about investing heavily on something not rugged, don't forget most Nigerian technicians are only good at changing circuit boards (panel). To repair na wahala for dem.

Obnoxious2001:
This Na slander . But I get your point.

But we don't just change boards most of the Times, even though it's the fastest way to solve the problem.

Understanding something you didn't design is a lot of work(we are not that privileged to repair most of this equipment with the schematics)

So this high frequency vs low frequency inverter which is better depends on lots of factors.

Now on this forum at some point, it was idle power consumption was invoke(low frequency will win this argument) but in practical sense, why low frequency inverter are very rugged is because there's a dielectric barrier the transformer provides for the input and output circuit compared to the high frequency which is almost direct

Jefferyzz:
It's not by display u go take no if controller nah mppt or not, open up d control n see d internals, or look through the vents, avnt see pwm come with rs485 port. The controller get app if u won see colorful designs.

bassdow:
Yes. I do ma research and buy from what I trust. Should in case I see a reason to change it, I do without affecting other things. I'm not forced into using something else just because it's part of something I bought

bassdow:
Finally bought SRNE ML4860 mppt charge controller. Bought it used 60,000 naira + 10,000 naira (transportation).
Hopefully, it matches my taste else I would sell it.

As per the load being only 20amps, I can't use a charge controller without using that load port Ooo.

I built a couple of things that 70% of my loads don't use your regular inverter.

My Core i7, Core i5, and a couple of other PCs all run directly off 12-volts.
Even my 39-inch LED Tv-Monitor, and the 24-inches LCD monitor, all run directly from 12-volts.
Tv Antenna (the rotating type) runs off a USB port (5-volts). I just comot the transformer wey dey inside, attach USB cable to it and voila, e work.
Routers and Modems all run on 12-volts.

All my Fans are the regular DC fans I bought used from Arena Oshodi + a few I bought from Aboki Condemn which I fix and repurposed to permanently run off 12-volts.

Then I got a couple of high powered Desktop PCs I built; those need more than 12-volts but less than 20-volts due to the nature of work they do.

So you see, a lot of my appliances need direct 12-volts and to keep costs low, while supplying clean power devoid of noise, I use that port + should power run low (less likely but possible), it auto shuts down and wouldn't drain the battery bank enough to cause damage.

For all the charge controllers I got, I use all those ports, (including the USB ports for those that's got it); those that could cause an issue (due to high current draw), I built a circuit for them to ensure the power is clean enough. I try not to use inverters as much as possible. Na only chest freezers and occasionally pumping machine need inverter and those got their own separate installation

joseph4sales:
thank you very much for this reply

If i may ask, when the sunny days are here, what watts or amps should i be generating on a very good day?

Mrreed:
Good morning chiefs, these are what I have at the moment and their prices.

All with JK Bms
12v 1.95kwh eve 290k (wooden box)
12v 3.5KWH With 100a REPT or hithium cell @ 420k (plastic box)

24v 3.9kwh with 100a BMS Eve cells 570k (. Metal box)
24v 7.1kwh with 200a BMS Rept or hithium cells @ 840k ( metal box)

48v 14.3kwh REPT or hithium 1.6m (metal box)

Valto:
no issue bro. 600w is the max it can produce . u can slightly oversize it. i have the same inverter working with 2pcs of 400w panels for over one year now

Drgreatone:
Pls I get first refusal right on it if u decide to sell sir 😁😁

prince4pro2:
Boss How much for 24v 5kw?

xzynwa:
I'm just concerned about the max solar input which could go up to as high as 23A.

Should I go ahead and not be bothered about it 🤔

HeavenlyBang:
I've recently realized that I need to restart my inverter every couple of months for best performance. Otherwise the MPPT just starts doing whatever it wants (sometimes charging the battery at really low currents and only drawing more power from PVs when I add load).

It's ultimately a computer so that's not surprising. Rebooting is the first solution in IT troubleshooting.

To reboot I turn off pv input and shut down the battery, leave for a few minutes, then turn on battery and PV. I've had to do that a couple of times in the last ~15 months and seems to fix any issues.

Mrreed:
Except I am misunderstanding your concern, the scenario where you will get 23a current from your single 600w panel will most likely never happen. You might never see 20a sef.