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Is 200 Amp Hour Lithium Battery Enough For AC, Fridge, TV, & Lights in RV  

Updated 04/25/2024 | Published 04/24/2024

Question:

I have a 2018 jayco Greyhawk 29mv I would like to operate air conditioning fridge tv and some lights on a one night of harvest host my question is can I do with a 200 ah lithium Battery and do I need to upgrade my converter

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Expert Reply:

Hi Armand,

It is unlikely a 200 amp hour lithium battery will be able to power an AC, fridge, TV, and lights, though it's not possible to say specifically because it depends on the power draw of each appliance as well as the numbers of hours it runs and what is running at the same time. You’ll need to calculate how much power your accessories draw in Watt-hours (Wh) and then convert it to Ah.

To do so you’ll need to find the amount of watts they will draw by checking their manual, then estimate the number of hours per day each item is used, and multiply this number by the Watts drawn.

Watts x hours = Watt hours (Wh)

Once you’ve determined the Wh for each item, add them all together for your total Wh. To determine the battery Ah you will need, divide the total Wh by your system voltage (12V).

Wh / 12V = Ah

We don't offer a 200 amp hour battery but do have 100 Amp Hour # GP99QR and 300 Amp Hour # GP26QR lithium batteries.

expert reply by:
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Kyle S
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