OkoroPeugeot:
For those with experience using budget PWM controllers

I had a setup with 24v panel and 12v battery with a 30A pwm controller.

It was working properly but I read charging would be faster from here if everything matches so I got a 24v inverter and 24v battery.

Normally the arrow on the controller blinks but now in the morning the panel icon comes up and the arrow just stays steady and the battery voltage barely increases all day.

The controller has 12/24v so I'm confused. Has anybody experienced this?

(ps. I know I should upgrade to mppt and would do that when I get funds or an mppt fan dashes me

Send the Specs sheet at the back of the panels....

Dam5reey:


Send the Specs sheet at the back of the panels....

This is it

OkoroPeugeot:


This is it

With this specs if your batteries barely charge, then your Panel is 150w in disguise

Your PWM should be Auto Voltage detect that is it will switch to 24V when you connect 24v batteries, if not check your battery voltage is on 24V...

Disconnect everything, Connect Batteries only first, set to 24V then connect Panels last then observe again....

And during your observations was there load on the Batteries, if yes disconnect all load then charge battery without load

Dam5reey:


With this specs if your batteries barely charge, then your Panel is 150w in disguise

Your PWM should be Auto Voltage detect that is it will switch to 24V when you connect 24v batteries, if not check your battery voltage is on 24V...

Disconnect everything, Connect Batteries only first, set to 24V then connect Panels last then observe again....

And during your observations was there load on the Batteries, if yes disconnect all load then charge battery without load

I've tried this, same thing.

I'm just reading the controller's spec sheet now.

It has 12/24v lead acid auto
3 string Lithium
4 string LiFePo4

The battery is Lithium so I think it only does the auto switching for Lead acid batteries and does not support 24v for Lithium .

I'd revert the connection to 12v and plan towards the MPPT.

Thanks so much!

temmyt20:
can you please explain better?

100AH LFP or 150AH LA - 100K
700w panel (350x2) - 140k
Inverter - 30k?
CC powmr - 50k?

Good morning
I have
New
90w solar street light (all in one)-3pcs and 200w solar street light (all in one)-2pcs

Fairly Used
Available
2kva/24v Inverter
chat me up if you are interested
o7o35158237

OkoroPeugeot:


This is it

This is a 60cell panel, it can't charge a 24v systems properly, To charge 24v system, u need a 72cell panel connected to a PWM CC or two 60cells in series connected to mppt.

Oshomo12:


This is a 60cell panel, it can't charge a 24v systems properly, To charge 24v system, u need a 72cell panel connected to a PWM CC or two 60cells in series connected to mppt.

Wahala.

It's to go back to my 12v that was working o!

Or use my external charger as my setup can last me a week fully charged.

Since your battery is 24V lithium, that is what your charge controller sees, and your battery also being 3s or 4s at 12V (x2) for a 24V system

The main thing i see here is your solar panels, it is observed that panels with Trina solar slapped on them from Alaba, there is a 50/50 chance it is

1. Used panel sent over from abroad

2. It has dropped its power due to long time in service or as Dam5reey as said it is a 12V panel falsely labelled as 24V

In short there is no potential flow of power from your panels down to battery,

Try and series your panels together to achieve higher voltage as that should be able to charge your battery ... 50V or higher I guess is the Voc of your Controller so two in series should work with no problem

OkoroPeugeot:


The battery is Lithium so I think it only does the auto switching for Lead acid batteries and does not support 24v for Lithium .

I'd revert the connection to 12v and plan towards the MPPT.

Thanks so much!

OkoroPeugeot:


Wahala.

It's to go back to my 12v that was working o!

Or use my external charger as my setup can last me a week fully charged.

Lol, even Ur working 12v is performing at half its capacity. PWM will cut Ur voltage by half to charge Ur setup. The remaining half wasted!

Visit [url]jiji[/url]

You can make calls and compare their prices and visit their store to see what you want to buy or your visit alaba or any other close to you and see what you need

Thunderbolt:
Dear House,

Please I am trying to get true 250w or 350w solar panels (used or new).
Please could someone kindly advice me on how to go about it.

Checking the panel label very well again, I seriously doubt that panel. 90% chance it's my brother's Trina.

Based on your 100Ah battery and needs

2 x 150w panel - 40k x 2
100Ah - 65k
30A controller - 15k
1000W inverter MSW - 32k
Aluminium roof profile- 12k
Battery box/rack - 8k
Electrical components - 30k
Installation materials - 12k
Workmanship -30k

Excluding transport

All above is to match what your installer might give to you but you can get lower if you buy couple of these things yourself

temmyt20:
Good evening house.
Any expert in the house that can assist with a quote for a solar setup with 100ah battery.
Inverter of 500w
Solar panel.
Setup will be used to power appliances not up to 100watts

ojeysky:


If he is to do it well then he needs more than 200k.

Battery and panels would finish N200K

ojeysky:


100AH LFP or 150AH LA - 100K
700w panel (350x2) - 140k
Inverter - 30k?
CC powmr - 50k?

More like it.

60A Powmr MPPT Solar Charge Controller available
Price: 53,500 firm (will be available on the 7th)

60A PWM Solar Charge Controller (just 1 unit. Sales will be discontinued after this.)
Price: 10,000 firm

1000W EASun Transformerless Inverter (no charging function). Ideal for users on a budget and for keeps as rainy-day backup. Actual/Continuous power is 500w. Peak power is 1000w. Last attachment shows a test i did with the device powering a 200w yellow bulb. It powered it without breaking a sweat. Fan just made minimal noise.

Price: 27,000

CC: Okoropeugeot, temmyt20; if you are on a budget, you can consider any of these offers.

Oshomo12:
Checking the panel label very well again, I seriously doubt that panel. 90% chance it's my brother's Trina.

Your brother dey produce solar panel?

OkoroPeugeot:


I've tried this, same thing.

I'm just reading the controller's spec sheet now.

It has 12/24v lead acid auto
3 string Lithium
4 string LiFePo4

The battery is Lithium so I think it only does the auto switching for Lead acid batteries and does not support 24v for Lithium .

I'd revert the connection to 12v and plan towards the MPPT.

Thanks so much!

I do charge my small LiFeO4 24volt with pwm charge controller just edit the cutoff voltage to 29.2volt or 29.4volt if lithium ion battery of 7s. Also it might be that your panels is not delivering up to 30v and above so it’s either over rated panels or poor installation.

Dishtech:

I do charge my small LiFeO4 24volt with pwm charge controller just edit the cutoff voltage to 29.2volt or 29.4volt if lithium ion battery of 7s. Also it might be that your panels is not delivering up to 30v and above so it’s either over rated panels or poor installation.

It's bringing out over 30v when I test.

I just did what you said,

Set it on b1 (only b1 is going up to 29v),

Then set the 1st 3 values to 29.2v, 24v and 20v (they were at 14v - 10v thereabouts)
I'd let you know in the morning if it charges.

I remember the arrow usually stays without blinking on the 12v setup when battery is already full and there's still sun.

I'd keep this in mind.

odimbannamdi:
60A Powmr MPPT Solar Charge Controller available
Price: 53,500 firm (will be available on the 7th)

60A PWM Solar Charge Controller (just 1 unit. Sales will be discontinued after this.)
Price: 10,000 firm

1000W EASun Transformerless Inverter (no charging function). Ideal for users on a budget and for keeps as rainy-day backup. Actual/Continuous power is 500w. Peak power is 1000w. Last attachment shows a test i did with the device powering a 200w yellow bulb. It powered it without breaking a sweat. Fan just made minimal noise.

Price: 27,000

CC: Okoropeugeot, temmyt20; if you are on a budget, you can consider any of these offers.

Thanks,

I'd try the series in the morning too if Dishtech suggestion doesn't work

olopan:
Since your battery is 24V lithium, that is what your charge controller sees, and your battery also being 3s or 4s at 12V (x2) for a 24V system

The main thing i see here is your solar panels, it is observed that panels with Trina solar slapped on them from Alaba, there is a 50/50 chance it is

1. Used panel sent over from abroad

2. It has dropped its power due to long time in service or as Dam5reey as said it is a 12V panel falsely labelled as 24V

In short there is no potential flow of power from your panels down to battery,

Try and series your panels together to achieve higher voltage as that should be able to charge your battery ... 50V or higher I guess is the Voc of your Controller so two in series should work with no problem

mctfopt:


Your brother dey produce solar panel?

yes now,
Buy James label it Paul, simple! panel produced QED

OkoroPeugeot:
Thanks,

I'd try the series in the morning too if Dishtech suggestion doesn't work

Note that you can’t exceed 45-50v mark of the charge controller. What is the wattage of your panels, open circuit voltage, maximum voltage.

Dishtech:

Note that you can’t exceed 45-50v mark of the charge controller. What is the wattage of your panels, open circuit voltage, maximum voltage.

2 of these

Those panels are the exact dimensions of the 200w I bought them to replace.

That is a story for another day sha.

Oshomo12:


yes now,
Buy James label it Paul, simple! panel produced QED

OkoroPeugeot:
Those panels are the exact dimensions of the 200w I bought them to replace.

That is a story for another day sha.

lolz, if i talk now, the renowned Trina and fake Canadian solar alaba marketer for this thread go attack me . except u are buying monray,jinko, yingli, risen and few other known brands from thier respective authorised dealer. most other brands in the market are not real capacity.

Dishtech:

I do charge my small LiFeO4 24volt with pwm charge controller just edit the cutoff voltage to 29.2volt or 29.4volt if lithium ion battery of 7s. Also it might be that your panels is not delivering up to 30v and above so it’s either over rated panels or poor installation.

It still shows the solid arrow from the panel

Also I'm getting 35.5v from the panels right now.

Hopefully it should start charging/blinking when the sun comes out fully.

ojeysky:


100AH LFP or 150AH LA - 100K
700w panel (350x2) - 140k
Inverter - 30k?
CC powmr - 50k?

Abeg Ojes, LFP price don come down? Because I used to know 12v/100ah to be around 140k to 150k o.


It's like you forgot to calculate the price of BMS and enclosure with it.

olopan:
Since your battery is 24V lithium, that is what your charge controller sees, and your battery also being 3s or 4s at 12V (x2) for a 24V system

The main thing i see here is your solar panels, it is observed that panels with Trina solar slapped on them from Alaba, there is a 50/50 chance it is

1. Used panel sent over from abroad

2. It has dropped its power due to long time in service or as Dam5reey as said it is a 12V panel falsely labelled as 24V

In short there is no potential flow of power from your panels down to battery,

This is seriously annoying. This is even worse than being sold a lemon. Why not let a client know the options available and then let them make an informed choice? Sadly we can't purchase panels directly ourselves from overseas or even buy solar cells and DIY like it can be done with Lithium batteries. It would have cut down chances of falling into the hands of these fraudsters.

Inverters, Lithium cells, controllers, switches, meters can all be personally ordered from reputable manufacturers and bypass fraudulent middle marketers. But solar panels, no hope yet.

I guess we still have to hope reputable dealers maintain their reputation and sincerity.

Valto:
lolz, if i talk now, the renowned Trina and fake Canadian solar alaba marketer for this thread go attack me . except u are buying monray,jinko, yingli, risen and few other known brands from thier respective authorised dealer. most other brands in the market are not real capacity.

How do we know the respective authorised dealer, biko? At least for those of us far from Lagos and with no luxury of doing window shopping there.

ceaser:


Abeg Ojes, LFP price don come down? Because I used to know 12v/100ah to be around 140k to 150k o.


It's like you forgot to calculate the price of BMS and enclosure with it.



This is seriously annoying. This is even worse than being sold a lemon. Why not let a client know the options available and then let them make an informed choice? Sadly we can't purchase panels directly ourselves from overseas or even buy solar cells and DIY like it can be done with Lithium batteries. It would have cut down chances of falling into the hands of these fraudsters.

Inverters, Lithium cells, controllers, switches, meters can all be personally ordered from reputable manufacturers and bypass fraudulent middle marketers. But solar panels, no hope yet.

I guess we still have to hope reputable dealers maintain their reputation and sincerity.

It's possible to buy from Alibaba, if you are willing to spend the money....

ceaser:


How do we know the respective authorised dealer, biko? At least for those of us far from Lagos and with no luxury of doing window shopping there.

Felicity, Yingli, etc.. just visit their website as for local authorii dealer..

Dam5reey:


It's possible to buy from Alibaba, if you are willing to spend the money....

And think of selling off a kidney first.

Na frustrations from Nigerian customs and devilish import duty will make one tire.

Dam5reey:


Felicity, Yingli, etc.. just visit their website as for local authorii dealer..

Good way to go about it.