Inverter information

marine1

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Need some explanation please,
A UHD tv running on an inverter with 2 batteries, 2400VA 1440W and 100 AMP batteries,
How long would it run?
My understanding is the TV draws around what 100w?
Would appreciate the explanation
Tks
 

Lupus

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Need some explanation please,
A UHD tv running on an inverter with 2 batteries, 2400VA 1440W and 100 AMP batteries,
How long would it run?
My understanding is the TV draws around what 100w?
Would appreciate the explanation
Tks
12 hours thereabouts. It's literally the amps*voltage. But for normal lead acid it'll be 50% dod so you only go to 1200watt hours.
 

marine1

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12 hours thereabouts. It's literally the amps*voltage. But for normal lead acid it'll be 50% dod so you only go to 1200watt hours.
i see, thats a lot, 12 hours
What id dod?
Thanks
 

Wrath of Khan

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not as simple as watts to amps, you need to add in (pf) since its 220v here's a link to a calculator to see the amps (that's what you need to know for your battery) and don't run the battery too low.

 

Lupus

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not as simple as watts to amps, you need to add in (pf) since its 220v here's a link to a calculator to see the amps (that's what you need to know for your battery) and don't run the battery too low.

That's why I said 12 hours roughly.
 

marine1

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So guys please explain how this all works for a layman.
So I have the following :
Mecer 2400VA Inverter + 2x 100AH Battery (8 HOUR BATTERY LIFE) KIT - 1440W - Battery Type : 100AH AGM Deep Cycle (600+ cycles)
How does one work out what drain a device has and how long you should have with that device?
For example I have attached my phone charger, how would I work it out ?
Input 140-240v 50-60hz 0.50amps
Output 9v 1.67amps or 5v 2.0amps
 
Last edited:

Speedster

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So guys please explain how this all works for a layman.
So I have the following :
Mecer 2400VA Inverter + 2x 100AH Battery (8 HOUR BATTERY LIFE) KIT - 1440W - Battery Type : 100AH AGM Deep Cycle (600+ cycles)
How does one work out what drain a device has and how long you should have with that device?
Watts = Volts x Amps

From there you just plug in your variables. Also remember your lead acid batteries are only able to deliver 50% of their rated amp hours
 

Gtx Gaming

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So guys please explain how this all works for a layman.
So I have the following :
Mecer 2400VA Inverter + 2x 100AH Battery (8 HOUR BATTERY LIFE) KIT - 1440W - Battery Type : 100AH AGM Deep Cycle (600+ cycles)
How does one work out what drain a device has and how long you should have with that device?
1200watts Devided by volts which is 24(in your case), would give you 50ah of battery drain( thats for an hour usage). You want your battery above 50% unless you have lithuim batteries those you can drain 100%.
 

marine1

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1200watts Devided by volts which is 24(in your case), would give you 50ah of battery drain( thats for an hour usage). You want your battery above 50% unless you have lithuim batteries those you can drain 100%.
24 because there are 2 batteries is this correct ? Or how did you get the 24?
Sorry I know nothing about electrical stuff.
So for 1 hour it woukd drain the batteries by half so how do they advertise 8 to 12 hours of use then?
What am I missing
 

Gtx Gaming

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24 because there are 2 batteries is this correct ? Or how did you get the 24?
Sorry I know nothing about electrical stuff.
So for 1 hour it woukd drain the batteries by half so how do they advertise 8 to 12 hours of use then?
What am I missing
Yep 12v per battery. 8 hours for small appliances. It can do 100watt load for hours 8 and still be above 50%.
 

Speedster

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1200watts Devided by volts which is 24(in your case), would give you 50ah of battery drain( thats for an hour usage). You want your battery above 50% unless you have lithuim batteries those you can drain 100%.
I find it easier to work in watt hours. These batteries have 1200Wh, although only 600Wh are usable due to the battery type. Add up the wattage for your devices and divide that in to 600 to give available hours. e.g. you can power 100W for 6 hours, 200W for 3 hours etc
 

marine1

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I find it easier to work in watt hours. These batteries have 1200Wh, although only 600Wh are usable due to the battery type. Add up the wattage for your devices and divide that in to 600 to give available hours. e.g. you can power 100W for 6 hours, 200W for 3 hours etc
Thanks that makes sense, so really lithium batteries are far better then but I am sure far more expensive
 

Speedster

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Thanks that makes sense, so really lithium batteries are far better then but I am sure far more expensive
Correct on both fronts. Lithium also have a much higher cycle count (roughly 10 times) so they actually work out cheaper over the lifespan of the batteries, but the initial capital outlay is much more.
 
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