₦airaland Forum

CaptainZubi:
As said earlier, I disconnected the charge controller earlier this morning around 7am and I'm still blazing my solar with all household equipments on as I type. Before now, when the charge controller was still connected ,

1. The inverter starts beeping and goes off if cloud manages to cover sunlight for as little as 3 minutes. I have to start reducing load instantly so it won't go off. I.e I instantly swith off my TV , fan, PlayStation etc.

2. I no fit even use am for night. Under 2 minutes it has gone off without load even on it. The charge controller will be indicating that the battery is low..


All these while I always thought it was my battery that was bad but seems its not. There is simply something wrong somewhere.

Picture of the charger controller attaches.

Although MPPT is written boldly on it, this is a glorified PWM charge controller so what you're experiencing is normal. A quick fix is to get a genuine MPPT charge controller and watch as it tracks sunlight and charges your batteries even under less than ideal weather condition

TGIF

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TGIF

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FEGEITOK:
No, it does not include night time.

Also, in some ways there is over-estimation.

The printer does not run 24/7.

The computers can also go into standby mode when not in use.

The display units may go into standby mode, but I calculated for the worst case scenario.

If it were to be a 24/7 operation, I am sure that battery would be insufficient, but for day time loads of 8 hours + 1 hour overtime just in case, I felt it is adequate.

Your views are welcome all the same

In that case a 15Kwh battery is cool. Even a 10kwh should seve.

FEGEITOK:
Based on my calculations 5,430 watts running for 9 hours means 48.87kWh.

What is the appropriate solar panel and battery sizing for the above?

is 15kW of solar panels and 20kw of battery good enough?

Does the 9 hours include night time?

Yes it's sufficient. Can't say much about battery sizing without info on night runtime.

swagifted:
Are you for real? 6kw for 1 million naira?

It's Deye! Understand the brand b4 complaining

meohio7777:
Greetings everyone,

I've quietly followed these threads and thank the knowledgeable contributors for their valuable insights.

I am researching on behalf of my dad, who plans to switch to solar power for his home. He recently received a vague quote that is missing several key details.

I have encountered reputable brands such as Growatt, SRNE, and Victron and would like to choose a quality brand that will stand the test of time for this project.

I am also open to connecting with someone trustworthy and genuinely interested in managing and executing this installation.

Kindly post your contribution here. I have attached the quote for everyone's review.

The location is Epe, Lagos.

Here is a list of appliances that need to be powered:
1. Fridge and freezer (1 unit)
2. Freezers (3 units)
3. Borehole pump (1)
4. Room fans (4)
5. Parlor fans (2)
6. Dining room fan (1)
7. Children's parlor fan (1)
8. Televisions (2)
9. Washing machine (1)
10. Water heater (1)
11. Game console (1)
12. Numerous light bulbs 💡

Additionally, we plan to purchase four solar light poles for the front and back of the house.

Thank you for your assistance!

You're here already so settle for an installer from here if possible. Most of the guys outside are just interested in selling what they have not what's best for you or your setup. Already evident in the choice of battery quoted which is a recipe for premium tears - total disaster as others have rightly noted.

Your intended choice of inverter brand is good. Go for Jinko solar panels if available, otherwise try Canadian or Longi. Even CWorth panels are really good. Always make sure they're original. Around 10-15 units of 600W or greater should do (even less depending on LITHIUM battery size).

Your loads suggest a 5 or 6kw inverter. 6kw is more apt. Again the brands you mentioned are all good. Growatt (I recommend), SRNE, Victron (if you're a tech enthusiast and don't mind sploshing money), you can't go wrong with any.

If you or your dad intend to run some or most of these loads at night, then a 10kwh or 15kwh LITHIUM battery is par the course. Enjoy!

FEGEITOK:
Please recommend appropriate inverter, battery and solar panel sizing for the following equipment

7 computers each consuming 330 watts or 2,310 watts total

1 printer that consumes 20 watts

1 non inverter 2hp air conditioner that consumes 2,000 watts approximately

2 display units that consume 550 watts each or a total of 1100 watts

Assuming that I need to power these for 8 hours non-stop and I also need the battery to be fully charged at the end of the day.

Will a 7.5kw inverter do the job or should I make it 10kw?

Thanks for your advice

Yes it's more than sufficient. Even a good 6kw inverter is excellent, 5kw is also fine.

FEGEITOK:
Based on my calculations 5,430 watts running for 9 hours means 48.87kWh.

What is the appropriate solar panel and battery sizing for the above?

is 15kW of solar panels and 20kw of battery good enough?

That's more than sufficient

TGIF

TGIF

TGIF

HMU

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HMU