₦airaland Forum

earthrealm:
ok confirmed what i have suspected!.
you know where i can get the VE usb cable locally

earthrealm:
Its fangpusun 1.16 firmware. 60amp 48v mppt cc.which is a direct victron clone.
The equalization setting is grayed out.
I hope the software is free and readily available.

For remote monitoring...what did u use to connect it to the web?.

Edit..saw thr app on playstore and the bluetooth connector on amazon too...wahala..
So just to set up equalization...i get to jump tru all these hoops..
Guess thats the price to pay for cloned stuff..
Btw epsolar and the fangpusun/victron clone....wch wud u recommend?....


Cc chris18964

https://www.amazon.com/gp/aw/d/B01CGFF8Q2/ref=mp_s_a_1_1?ie=UTF8&qid=1508429368&sr=8-1&pi=AC_SX236_SY340_FMwebp_QL65&keywords=victron+energy+bluetooth&dpPl=1&dpID=41v8zzYdJfL&ref=plSrch

Saipro:
I find it interesting that no one would volunteer the information. The issue of flexibility and crimping problems are real but the real reason is something quite different. Google up "skin effect", if my memory serves right.

ghostt:
We recently designed our mppt solar charge controller, targeting Nigerian market, our mppt comes with two year warranty, affordable and reliable, 98% efficiency, utilizing three phase Buck converters for higher current and higher efficiency.

earthrealm:
Ok good.the attached doc was talking about heating n possible fire from thick strand cables.

Also on the fangpusun/Victron energy clone equalizition issue.
Bigrovar i recall u use fangpusun...can u shed more light?.

earthrealm:
so any idea why small strand cables are prefferred to the thicker less strands type as shown in the picture below. dont really understand the explanation in the pic

2ndly anybody using fangpusun/victron energy mppt charge controller.
can the person confirm if it has equalization settings, from the manual its saying a software is needed to turn on the equalization setting

GeorgeD1:
dmerciful,
you may need a forklift or crane to lift each battery if really you're looking for 12v 2000ah. besides, it would be a very costly proposition.

Konnektions146:
Anil,
the bolded above is made where, please?

JohnKester:
Further information

The system is 48V.
The battery bank is made up of two (2) strings of 370AH each connected in parallel to give 740AH.
The PV Array is a total of 5.3KW in two strings connected to two charge controllers.

The loads are merely a description of what would be powered by the inverter, rather than what would be powered simultaneously.

Cheers

foonshur:
thanks for the links, will definitely check them out. Battery make is Okaya.
And I'm also sorry for the confusion caused. Ba3 = Battery.
Mr Chuckdee, walahi I no be indomie generation.

foonshur:
downloaded and read the manual for the TriStar 45 and to my amazement, it was stated categorically that there are no set charging settings for the sealed maintenance free ba3s as they are "unreliable". guess we'll have to go with custom settings and please what voltages would u recommend for the bulk, absorb and float charging states.
And my question still remains, even if the cc is confused as to how to charge the ba3s effectively, is that suppose to affect how the inverter charges the ba3s too? (its a SKG inverter, 1.5kva 24volts)

efuro:
I have not used TriStar 45 but I know it is a powerful CC and it should have GT Mode function.

I will advise u state the type of ur inverter or snap both cc & inverter so dat those with similar type can assist you with settings.

adewasco2k:
My setup and advise on improvement or do good maintenance?

PV array: 2 piece of 130w mono
30ah CC
250ah 12v battery - Lifepo4 battery
1kva Inverter


So far everything works great!

zeestone99:
Call us for your neat solar and inverter installations @affordable price, we also sell renewable energy products such as inverters, battery rack, batteries, charge controller and solar panels.
You can also check out our previous installations on facebook.com/monzpowersolutions

Call 08117398294 nw for enquiries.

makavele:
,,,

efuro:
Nice Pictures, also elementarily kool for a beginner. Enjoy ur freedom 247.



Need not to worry, the CC will handle amps going into the battery. My fear is ur consumption/backup time.

GeorgeD1:
barrezi,
cost is only a tiny fraction of what comes into play when going for renewable energy.
let me flip the question the other way round: what is the cost of staying in darkness?
i guess the answer is zero naira? so if cost is our only consideration we might as well
decide to save the huge amount we have invested so far and remain in darkness while
waiting for the elusive phcn to supply us power whenever they deem fit. however, will
that be a good option? no?
so here comes the fuel guzzling, noisy generator to fill in the
gap for those long hours almighty phcn decides to keep us in darkness. and this is where
it gets really interesting: if mr idsolar had been running his generator for this length of
time (august till date) commensurate with the up-time of his charge controller, he
certainly would have spent enough money on fuel to buy his solar system all over again.

efuro:
Am giving pv-dc-electric heating a thought. (CC load dump diverson) or Just 2 dedicated PVs, 12v DC heating element, but still wondering/planning how to work around heating tank. I may do hybrid to AC disabled ariston tank.

At the end, I may end up spending just a quarter of the price of tube solar heater.


Still weighing DIY options

efuro:


https://www.youtube.com/watch?v=M1YFqBl6Cxs




https://www.youtube.com/watch?v=iyGmFWMQHHs

dsunmade:
Saw an earlier post by JUO of his BMV data. I am wondering why the discharged energy is about half of the charged energy? Is it peculiar to flooded batteries? Should one expect better ratios with lithium batteries?

GeorgeD1:
hello pranil,
for those with protek solar water heater products like myself,
it comes with an assistant tank which does exactly the same job
so really no need to buy additional accessories to control water supply
pressure.

notice the assistant tank on top of the system in the first picture.

pranil:
Solar Water users? and gurus in the house

How did you connect the inlet of the tank ( cold water )?
Direct to Overhead tank, to the borehole, manually fill using a tap

The reason I am asking is I came across this https://www.aliexpress.com/item/Automatic-water-control-valve-solar-water-heater-feeder-assistant-tank/1935638063.html

there is a single and double pipeline model


In my solar heater user manual ( Simba make 120 L - looks like made in China) the manual recommends all filling methods which are manual and the tank has overfill discharge outlet which means if I connect to water source the water will flow out from discharge outlet.

I also believe the tank and tubes can take max 0.7 bar operating pressure. In addition, the water when heated expands 3 to 5 % which means it needs space to go


The system I came across only fills at 0.5 bar and the overfill outlet has to be connected to the 2-foot pipe above water level. I believe the water coulm works as counter pressure stopping inlet water.

I intend to drain the tank from top outlet using a small 300 watt booster to match my house pressure of 2.5 bar

hisenjos:
You are welcome.

Do you have more details of the 10kwh battery you want to get? Does it have a bms?

I would be interested in a group buy with you if you are willing.

See my contact on my signature.

hisenjos:
@damola1
@pranil

Would recommend a programmable solar controller with enough panels and charge only on solar as much as possible.

Good source of info for lifepo4

https://www.solarpaneltalk.com/forum/off-grid-solar/batteries-energy-storage/lithium-ion/15966-simplified-lifepo4-charging-and-care

damola1:
Used sea.

I made a huge mistake buying 12, the seller offered 16. but it'll be corrected. for now, what's important is to test that these are what they say they are.

Can't I get this BMS and DC contactor locally?

Also, how many units of each do I buy now? no ebay or amazon links?

What I really want to know now is: How long will 8 batteries last him if fully charge. of course, am aware that's dependent on the load. my current 200ah wet batteries serve me: 3hours after fully charge using the same 4kva magnum. We have electricity up to 15hours presently daily. I want to know whether more batteries is the way to go, or solar backup to charge them. I intend to buy 28units more of these are as impressive as everyone seems excited about. 24units for a larger office we recently just got or even more. and 4units for the balance. I will let the floor know then if someone is keen on buying.

damola1:
Used sea.

I made a huge mistake buying 12, the seller offered 16. but it'll be corrected. for now, what's important is to test that these are what they say they are.

Can't I get this BMS and DC contactor locally?

Also, how many units of each do I buy now? no ebay or amazon links?

What I really want to know now is: How long will 8 batteries last him if fully charge. of course, am aware that's dependent on the load. my current 200ah wet batteries serve me: 3hours after fully charge using the same 4kva magnum. We have electricity up to 15hours presently daily. I want to know whether more batteries is the way to go, or solar backup to charge them. I intend to buy 28units more of these are as impressive as everyone seems excited about. 24units for a larger office we recently just got or even more. and 4units for the balance. I will let the floor know then if someone is keen on buying.

pranil:
I am envious.

Pls. share on how did you get them, LCL cargo, airfreight any customs issues SONCAP etc.

Can your vendor supply to Abuja ?. my email is anil_ghatikar@yxxxx.com

It is must to not only install BMS to balance the battries to but a DC contactor to disconnect batteries in case of overcharging/undercharging to protect your precious investment . The Lion will have no absorb curve but have to sit at charge condition till the BMS can balance the cells

Are these ATL cells ( based on blue color) normally the advisable charge and discharge limits are C/2 ( 100 amps) in your case for 2000 cycles and up life cycles

I would suggest something like this where you can track the battery using mobile phone - https://www.ev-power.eu/Battery-Management/BMS123-Smart/123-Smart-BMS-Complete-Set-4-cells-with-Bluetooth-4-0.html

DC relay - https://www.ev-power.eu/DC-Contactors/

I am happy to buy the remaining four from you since you will need only 8 for 24 volts .



Please send me an email. then I can order bms and other accessories such as connecting links, terminal covers etc. for LIon batteries.

Also very important to separately charge each battery before putting into the bank as they are never shipped with full charge. or alternatively, allow them to balance over several hours before loading


Below is the full list I made earlier when I was designing separate bank with individual components ( 48 Volts so for 24 quantities are half)

WB-LYP260AHA LiFeYPO4 (3.2V/260Ah – 16 NO
Terminal conn. For LYP260AHA (( includes 5 spares))- 35 No.
BMS123 Smart -Complete Set (4 cells) 200 amp CT 1 NO.
BMS123 - Cell Module – 12 No.s

Charger 3.6V/20A for LiFePO4 cells (1 cell) 1 NO.
DC Power Contactor 400A, Coil 48V – 1 NO.
Power DC Fuse MEGA, 175A, M8 1No.