How Many Batteries Do I Need For A 2000 Watt Inverter?

  According to the question "How many batteries do I need for a 2000-watt inverter?", you might be considering purchasing a 2000-watt inverter. Let's explore together the battery specifications and models that are suitable for this power capacity.

 How many batteries does an inverter need?

  To select the right battery, we need to consider two main factors: capacity and battery type.

  Firstly, let's discuss capacity. A 12v to 110v inverter 2000w requires a battery with a sufficiently large capacity to support its operation. Generally, inverters are designed to be used with 12V batteries. Based on experience, we recommend selecting a battery with a capacity of at least 100Ah to ensure sustained power supply for an extended period.

2000 watt inverter

  Secondly, let's consider battery type. There are various battery types available for a 2000-watt inverter, such as lead-acid batteries, nickel-metal hydride batteries, and lithium batteries. Each battery type has its own advantages and disadvantages, and the best choice depends on your specific needs.

  Lead-acid batteries, for example, are relatively inexpensive but have a larger size and require maintenance and cleaning. However, they can provide relatively high capacity and stability, making them suitable for long-term use.

  Nickel-metal hydride batteries, on the other hand, are relatively lightweight, have shorter charging times, and low self-discharge rates. However, their capacity is relatively lower, making them more suitable for short-term and light load requirements.

  Li-ion batteries offer excellent energy density and longevity, are relatively lightweight, portable, and have no memory effect. However, they come with a higher price tag and require more safety precautions.

200Ah battery

  In summary, for an inverter 2000 watt 12 volt, we recommend selecting a 12V battery with a capacity of at least 100Ah and choosing the appropriate battery type, such as lead-acid, nickel-metal hydride, or lithium batteries, based on your specific needs. Keep in mind that different brands and models of batteries may vary, so it's advisable to conduct further research and consultation before making a purchase.

  Finally, if you are looking for batteries suitable for 2000 watt 12v inverter, we recommend consulting professionals or battery manufacturers for more detailed and specialized advice.

 How long will a 100Ah battery run in a house?

  Taking a 2000-watt inverter as an example, let's say the total power consumption of all your connected devices is 500 watts. In this case, the combination of a 100Ah battery and a 2000-watt inverter is estimated to provide approximately 2 hours of continuous power supply. This gives you ample time to handle emergencies, complete daily tasks, or enjoy comfortable leisure time.

  For detailed calculations and runtime estimation, please click on "How Long Will A 12V Battery Last With A 2000 Watt Inverter"

  We hope this information is helpful to you! If you have any further questions, please feel free to ask. Wishing you a satisfactory battery purchase and an excellent experience using your inverter!


To that person asking about powering an A/C unit that draws over 5000 watts. Good luck with that. My wife and I took two 7.5’ X 16’ trailers and built a Tiny house on wheels into the two of them. We’ve got two 5000 btu air conditioners. The trailers are well insulated (two inches of Styrofoam). We generally only run one unit at a time. But occasionally run both. The two of them combined use 1100 watts our microwave uses 1500 watts. My welder uses up to 20 amps. Our lights, water pumps, phones, laptops, TV, stereo are 12 volt or don’t require the inverter to charge their batteries. We’ve got 24 6 volt deep cycle, (lead-acid) golf cart batteries (about $150.00 a piece).
I’m going to take a wild guess, that he’s trying to cool a house, possibly a mobile home. So most likely will have a lot more than a really hungry A/C unit running. It’d take more information to give a correct answer. Like how well is it insulated, to start. That’s just to estimate how often the compressor kicks on (using more power). Also what part of the country do you live. We live in Southern Arizona. We easily keep our trailers about 75° to 80° while it’s 110° to 115° outside. You can contact most solar parts suppliers. And I’ve found every company we’ve did business with. More than happy to #1 go over everything with you to come to the right answer. #2 Or they have a cheat sheet/calculator on their website for you to use.
Good Luck!

Bo Johnson ~ Tucson, AZ

Bo Johnson April 06, 2024

I have a 60w refrigerator a 32 inch TV and a laptop how much batteries I need to run these for about 5 to 8 hours a day….thank you.

Winston Treleven December 08, 2023

i would guess a big one (inverter ) and lots of batteries… myself, i have a propane fridge and use my solar for 12v lighting and fans, also a 12v well pump….forget inverter and go DC i say

chuck December 03, 2023

hi good day

can you walk me through your many batteries i should need to setup an air conditioner that the tag read the following

refrigeration capacity 5043w

working ac 208/230v 60hz, 1PH

motor load .3/.6A (internal/exterior)
compressor load 9A
minimum ampacity 3/15A
max fuse 15/20A

expecting to be turned on 8 hours

how much will be the lifespan of batteries? which inverter should i use?

thank you

Touch2Change September 25, 2023

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