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Solar Energy, A Complement To FTA - Satellite TV Technology (2183) - Nairaland

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Re: Solar Energy, A Complement To FTA by bassdow: 4:18pm On Oct 20, 2025
BigDickProblems:
Sorry, can you explain better? I understand the part where you need to be mindful of the current capacity required to charge such batteries, and as well as the thicker cables required which will cost you more to get. But is there any other reason?
Just understand it's much more efficient running at higher voltage than higher current + you stress your battery banks much less.
Re: Solar Energy, A Complement To FTA by Nobody: 5:16pm On Oct 20, 2025
bassdow:
Just understand it's much more efficient running at higher voltage than higher current + you stress your battery banks much less.
Ok. I see. Thanks
Re: Solar Energy, A Complement To FTA by justasitis: 5:45pm On Oct 20, 2025
Yes, whether single or two hot plates attached to gas burners/coolers. They normally come with regulators to control the heat and power consumption. It’s energy efficient just as the induction cooker.
ajabani4allah:
Thanks for this enlightenment. Do you mean the single hot plate usually attached to 3 gas burner with oven?
Re: Solar Energy, A Complement To FTA by bassdow:
justasitis:
Yes, whether single or two hot plates attached to gas burners/coolers. They normally come with regulators to control the heat and power consumption. It’s energy efficient just as the induction cooker.
...but you know the lower you set the Regulator, the slower it takes to heat up whatEver you put on it.

UnLike the induction heater / cooktop (make I spark small english make dem think talk say na chatGPT)
Re: Solar Energy, A Complement To FTA by emmaachile2(m): 5:00am On Oct 21, 2025
Where can I get a 12v 8A lithium battery and what's the expected price.
Re: Solar Energy, A Complement To FTA by HeavenlyBang(m): 5:27am On Oct 21, 2025
emmaachile2:
Where can I get a 12v 8A lithium battery and what's the expected price.
There are li-ion batteries of that size on Jumia. I bought one to use with my rechargeable fan earlier this year for under 20k.
Re: Solar Energy, A Complement To FTA by emmaachile2(m): 7:00am On Oct 21, 2025
HeavenlyBang:
There are li-ion batteries of that size on Jumia. I bought one to use with my rechargeable fan earlier this year for under 20k.
I need it for a knapsack battery sprayer. Hope the lion battery is working well.
Re: Solar Energy, A Complement To FTA by CodeTemplarr: 7:58am On Oct 21, 2025
HeavenlyBang:
There are li-ion batteries of that size on Jumia. I bought one to use with my rechargeable fan earlier this year for under 20k.
How will 12v li ion replace SLA in a rechargeable.
Re: Solar Energy, A Complement To FTA by JUO(m): 8:01am On Oct 21, 2025
HeavenlyBang:
There are li-ion batteries of that size on Jumia. I bought one to use with my rechargeable fan earlier this year for under 20k.
did it work well?
Re: Solar Energy, A Complement To FTA by HeavenlyBang(m): 9:52am On Oct 21, 2025
emmaachile2:
I need it for a knapsack battery sprayer. Hope the lion battery is working well.
Yes, charges and discharges pretty well. Was a 3s battery.

JUO:
did it work well?
CodeTemplarr:
How will 12v li ion replace SLA in a rechargeable.
https://www.nairaland.com/390522/solar-energy-complement-fta/2060#135540194
I documented the entire process here.
Re: Solar Energy, A Complement To FTA by bassdow: 10:20am On Oct 21, 2025
CodeTemplarr:
How will 12v li ion replace SLA in a rechargeable.
na same +ve and -Ve terminals so no problem. Difference just would be the space as SLA is much bigger is physical size than Lithium battery.

Where you could have some difficulty is in charging the battery as SLA's charging system differs from Lithium. You shouldn't have any issue so long the Lithium battery comes with BMS
Re: Solar Energy, A Complement To FTA by CodeTemplarr: 10:27am On Oct 21, 2025
bassdow:
na same +ve and -Ve terminals so no problem. Difference just would be the space as SLA is much bigger is physical size than Lithium battery.

Where you could have some difficulty is in charging the battery as SLA's charging system differs from Lithium. You shouldn't have any issue so long the Lithium battery comes with BMS
going by your last sentwnce within last paragraph, bms pegs the maximum voltage going into the lithium battery at a safe 12.6v.
That makes sense because some SLA charging algorithm feeds in as high as 15V-16V into the battery and that will damage any 3S lithium.
Re: Solar Energy, A Complement To FTA by ajabani4allah(m): 10:53am On Oct 21, 2025
justasitis:
Yes, whether single or two hot plates attached to gas burners/coolers. They normally come with regulators to control the heat and power consumption. It’s energy efficient just as the induction cooker.
Thanks
Re: Solar Energy, A Complement To FTA by capnies: 1:59pm On Oct 21, 2025
Please brothers what could be the problem of my lifepo4 battery 12.8v 43A
I've been using it to charge my phone .
As the voltage reduced to 12.7-12.8v I decided to recharge it,

If you connect the charger the battery shows 12.8v but if you connect the charger to the mains to charge it mediately shows 13.9v on the charger without even charging
Re: Solar Energy, A Complement To FTA by HeavenlyBang(m): 2:18pm On Oct 21, 2025
Edrizz:
Yeah, it's 6.63
After some digging, I finally found the right software that communicates with our inverter.

My efforts at reaching out to SRNE have proven futile so far. Usually they send firmware files to those who ask, but I'm still waiting for a reply.

In the meantime, I've taken laws into my own hand and flashed the inverter to V6.64. Still monitoring to see if it fixes the issue, though I don't expect it to if feedback from other owners is anything to go by.

Re: Solar Energy, A Complement To FTA by bassdow: 2:54pm On Oct 21, 2025
capnies:
Please brothers what could be the problem of my lifepo4 battery 12.8v 43A
I've been using it to charge my phone .
As the voltage reduced to 12.7-12.8v I decided to recharge it,

If you connect the charger the battery shows 12.8v but if you connect the charger to the mains to charge it mediately shows 13.9v on the charger without even charging
Just ignore that 13.9v that appears immediately and continue charging it. Just ensure whatever charging indicator continues to show that it's still charging even if it's showing 13.9v.

it's just the LCD displaying the current voltage it's getting which is obviously from the charger. That's mostly how such chargers behave because they are connected parallel to the battery.

of course assuming the battery was very low, it wouldn't jump like that BUT since it's 12.8v, that's almost full and depending on settings, tat could be float stage sef
Re: Solar Energy, A Complement To FTA by bassdow: 2:56pm On Oct 21, 2025
HeavenlyBang:
After some digging, I finally found the right software that communicates with our inverter.

My efforts at reaching out to SRNE have proven futile so far. Usually they send firmware files to those who ask, but I'm still waiting for a reply.

In the meantime, I've taken laws into my own hand and flashed the inverter to V6.64. Still monitoring to see if it fixes the issue, though I don't expect it to if feedback from other owners is anything to go by.
if you dey FLASH abeg dey careful Ooo make your inverter no go worse. That's if it's same with how PC BIOS and modems work. make e no follow FLASHing die.

Glad there seems to be hope for those in your shoes
Re: Solar Energy, A Complement To FTA by capnies: 3:08pm On Oct 21, 2025
bassdow:
Just ignore that 13.9v that appears immediately and continue charging it. Just ensure whatever charging indicator continues to show that it's still charging even if it's showing 13.9v.

it's just the LCD displaying the current voltage it's getting which is obviously from the charger. That's mostly how such chargers behave because they are connected parallel to the battery.



Thank you brother but the charging bar did not move at all, that's my problem

And

I've used that battery for over a month charging my phone before trying to recharge it now
of course assuming the battery was very low, it wouldn't jump like that BUT since it's 12.8v, that's almost full and depending on settings, tat could be float stage sef
Re: Solar Energy, A Complement To FTA by HeavenlyBang(m): 3:09pm On Oct 21, 2025
bassdow:
if you dey FLASH abeg dey careful Ooo make your inverter no go worse. That's if it's same with how PC BIOS and modems work. make e no follow FLASHing die.

Glad there seems to be hope for those in your shoes
Lol, I have like a decade worth of experience doing this, and I understand the risks involved wink

I'm doing it because, well, I don't have an option. The inverter is out of warranty period already unfortunately.
Re: Solar Energy, A Complement To FTA by capnies: 3:26pm On Oct 21, 2025
@hassdow
Thank you brother but the charging bar did not move at all, that's my problem

And

I've used that battery for over a month charging my phone before trying to recharge it now
Re: Solar Energy, A Complement To FTA by justasitis: 3:37pm On Oct 21, 2025
Try another charger and you should read the charger output and battery with a multimeter if you have one.

capnies:
@hassdow
Thank you brother but the charging bar did not move at all, that's my problem

And

I've used that battery for over a month charging my phone before trying to recharge it now
Re: Solar Energy, A Complement To FTA by Bankyshinani(m): 3:43pm On Oct 21, 2025
HeavenlyBang:
No. That 60A is the current coming from PV. Ergo, Isc.

We don't know what the onboard MPPT is rated at but it has a max charging current of 120A. At 27.5v, that means it can push 3,300w minimum. So 3,500w would be perfect.
Can you check as well?..I got this on the official site of must inverter? The inverter model is PV18-3224 VPMII....It also says max pv array power is 1600W

Re: Solar Energy, A Complement To FTA by HeavenlyBang(m): 4:09pm On Oct 21, 2025
Bankyshinani:
Can you check as well?..I got this on the official site of must inverter? The inverter model is PV18-3224 VPMII....It also says max pv array power is 1600W
Ah, turns out maximum pv charge current is 60A actually, and the 120A on the body of the inverter is PV+AC. Yes, you're indeed limited to 1600W of PVs unfortunately. Terrible.
Re: Solar Energy, A Complement To FTA by Edrizz(m): 5:05pm On Oct 21, 2025
HeavenlyBang:
After some digging, I finally found the right software that communicates with our inverter.

My efforts at reaching out to SRNE have proven futile so far. Usually they send firmware files to those who ask, but I'm still waiting for a reply.

In the meantime, I've taken laws into my own hand and flashed the inverter to V6.64. Still monitoring to see if it fixes the issue, though I don't expect it to if feedback from other owners is anything to go by.
Wow, beautiful. Please keep me posted boss. I pray the upgrade resolves the problem once n for all
Re: Solar Energy, A Complement To FTA by HeavenlyBang(m): 8:28pm On Oct 21, 2025
Edrizz:
Wow, beautiful. Please keep me posted boss. I pray the upgrade resolves the problem once n for all
Fingers crossed.
Re: Solar Energy, A Complement To FTA by ajabani4allah(m): 7:08am On Oct 22, 2025
Good morning all, will this AC SPD of Uc 385v protect against electrical surge? It seems the Uc is too high for it to work since the normal voltage range here is around 240v

Re: Solar Energy, A Complement To FTA by BangaRice: 11:06am On Oct 22, 2025
Darey00:
hello guys, I'm planning on upgrading my current 12v setup to a 24v...

Please i need suggestions on Inverter brand and battery suggestions.


I no get pass 1.2 million please cry cry
24V will halve the current you have to deal with between PV-SCC-BAT. Go ahead and disregard team 48V until you are financially ready for cost of 48V.
Re: Solar Energy, A Complement To FTA by Gshems:
What size of lithium battery for 12v system can 300k get me
Re: Solar Energy, A Complement To FTA by Bankyshinani(m): 2:49pm On Oct 22, 2025
HeavenlyBang:
Ah, turns out maximum pv charge current is 60A actually, and the 120A on the body of the inverter is PV+AC. Yes, you're indeed limited to 1600W of PVs unfortunately. Terrible.
What do you think I can do cos I can't buy another inverter for now?....Will installing an external charger controller make me go beyond 1600W of pv array?
Re: Solar Energy, A Complement To FTA by FEGEITOK: 4:24pm On Oct 22, 2025
favouredbymercy:
Please I would like to know the type of breaker you are using. Thanks, because for now, replacement of CC is not in view
I did not answer this question then because upon checking I was using an AC breaker for DC which is wrong, I think I noticed arcing

I have since replaced the AC breakers for DC breakers and it just did it's work, it tripped off and when I went to check, the battery current was 29.~V and wanted to hit 30.~V

Here are the specs of the DC breakers that I am using

DC500V 4000A IEC60898-2 GBT/10963.-2 AND DC1000V 6000A IEC60898-2 GBT/10963.2

It was the DC500V breaker that just tripped off.

Sorry for the delay in the response.

Please do not use an AC breaker in a DC application, among other problems it can cause arcing which I personally observed, which is one of the reasons I had to make the change.
Re: Solar Energy, A Complement To FTA by justcallmenuel(m): 4:48pm On Oct 22, 2025
25kwh 48v felicity lithium ion battery available.

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