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Inverter,

I would like to give some quick pointers on the methods of calculating points on electronics that are being used on your inverter’s batteries. These are primary household electronics as stated below:
  • Television
  • Radio
  • Fan
  • Light bulb
  • Fridge
  • Deep Freezer
  • Air-condition
In most cases the electronics mentioned above are the simple electronic household machines that are majorly important to most individuals, and the least of all that is expected to be powered by a small “GAS GENERATOR”.  Now a small gas generator with a tank for 5 liters of gas will successfully power this unit for a maximum time of 12 hours and a minimum of 6 hours (with respect to the load and the type of carburetor and generator parts that are used to combust energy into electricity). On the other hand, with an inverter of at least 0.8KVA you will get a maximum back up time of 12 hours and a minimum of 4 hours, with the same kind of load unit being carried. Now to optimize the use of your inverter battery it is best to employ energy saver appliances. Most bulbs and television sets (light emitting electronics) are now on energy savers schemes, to reduce the amount of electricity they consume. There is a great advantage in using Inverters rather than gas generators, this is explained thus: When you fuel your generator, you will notice that it works by combustion, hence it burns gas. It does not matter how many loads of power unit you place on the generator to carry, as long as you don’t exceed the maximum power it can carry, the generator will still work and burn your gas with respect to the size of the tank (which is normally designed to the generator specifications). Remember it burns and thus the generator’s mechanism needs to cool down or you will be looking at an early service year for your generator set). Whereas for the inverter powered house it simply works on the load it carries, so the lighter the load the longer it will last you. And since it does not combust and you have fewer mechanically engineered components, it simply work on devices, thus making it a much more environmentally friendly device in terms of noise pollution (neighbors can sleep without banging at your door) or air pollution (from the toxic carbon mono oxide that is being unleashed by gas/diesel generators).

Power load chart, for you to easily know the type of installation to request a quote for

LOAD SELECTION GUIDELINES*

CONTAINED ENERGY SERVICES LIMITED
0.8 KVA

3

2

1

1

1
1.5 KVA

5

4

1

1

2
2.5 KVA

5

4

2

2

1

4
3.0 KVA

5

5

2

1

1

1

4
3.5 KVA

5

6

1

1

1

1

4
5.0 KVA

5

6

2

2

1

1

1

8
6.0 KVA

5

6

2

2

1

1

1

10
10 KVA

7

7

2

2

1

1

2

15
15 KVA

8

7

2

2

1

1

3

30
20 KVA

10

8

2

2

1

1

4

30
30 KVA

12

8

2

2

1

1

5

30

* Load calculation are estimates only; Number of batteries and load specifications determine backup time

Data taken from http://www.containedenergyng.com/qoute.html

With the chart above you can easily deduce the number of inverters battery to budget for; and use the rule of thumb to estimate the hours it will last you in normal loading condition. Please Note that the lighter the load the longer an inverter will last, which does not apply to your generators. The inverter maintenance is low with respect to a 25 years lasting alternate power generation solution. The final advantage of this is that it is much more economical in the long run; no matter how you look at it, an inverter can serve you with more loyalty than a generator. The statements above are based on the use of your normal house hold power supply of electric current to charge the inverters battery with respect to duration. Unfortunately, regular power supply can be erratic in many areas. Finally, the use of solar panels has been introduced to tackle this (due to cost and erratic power supply), the solar panels basically server as the energy provider to power your inverter battery which in turn supplies you the required current. The installation of a solar panel can be calculated via the rule of thumb that 3 solar panels are required to power 1 inverter battery of 200AH, which in turn will supply you 0.8KVA current. With the table above you can easily calculate what you want and base you request on the quantity of power you household electronics need. By Olatunji Adetunji Olatunji Adetunji is an SEO specialist working with SEO Web Analyst® , a SEO consulting firm providing affordable seo services and free training on seo web marketing techniques and trainings.
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This article was first published on 15th July 2013

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Comments (15)

15 thoughts on “Maintaining Your Inverter: Calculating the Appropriate Battery Load for your Device”

  • Samuel Josiah Kurah

    I’m impressed i hope to be communicating with you in due course when in difficulties in the field on solar, thanks and God bless.

    Reply
    • Elizabeth Ayoola

      Hi Samuel, we hope this was useful and look forward to hearing from you!

      Reply
  • Onyinye Anene

    Fantastic write up.
    I however have a 3.5kva inverter and want to find out what capacity of generator can conveniently charge it. I hope to hear from you soon. Thank you

    Reply
  • Gbolahan

    Nice writeup,l wish to av a deal with u very soon

    Reply
  • salami afeez

    where in ibadan can i easily get your product? i also need complete price chart for each category of capacity of pure sin wave inverter, battery, solar panels and charge controlar

    Reply
  • DAUDA ADAMU

    simple and educating. i ve been surfing d web for inverter load details for months until now i got meaningful explanation.
    one more thing sir, load for 1kva inverter pls thru my emails.
    tnx n Godbless…

    Reply
  • DAUDA ADAMU

    pls i hope am not disturbing
    i wanted to get more clarity to whether or not UPS can be used as an inverter, n what are advantage disadvantages.
    i ve seen some videos on YOUTUBE eplaining on how to do it i don’t want to risk everything but need more knowledge on how possible n how long is the conservation.
    tnx

    Reply
  • tosin emmanuel

    Sir I want to knw whc inverter nd battery I wil use if am using 10bulb 2fan 45plasm tv, home theater

    Reply
  • alaribe

    Please the table above should have been labeled according to rows and columns

    Reply
  • Charles

    Hw cn i modify my local inverter to stand d load of a 3 bedroom flat?

    Reply
  • Charles

    Want my modify my local1kva inverter to stnd d load of a 3 bedroom flat

    Reply
  • Alabs

    Sir,

    How can I calculate the duration (time in hours) an inverter can last with normal load. Please sir formula If possible thanks

    Reply
  • Shaffi

    Formula for that is watt of ur inverter divided by 20, thats gna give u the amps per hr. So u can now divide ur battery amps per hour by the inverter amps per hour

    Reply
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