Max - 3kW | 9kWh

Max - 3kW | 9kWh


FINANCing availAbLE

Under the Inflation Reduction Act (2022), all energy storage products over 5 kWh and any necessary operational equipment qualify for a 30% Federal Tax Credit.

Maximized Power, Minimized Size: The Compact 3KW, 9KWH Battery and Inverter Bundle for Small Mobile Power Applications

Introducing the compact yet powerful 3kW, 9kWh Battery and Inverter Bundle. This energy-dense powerhouse, Li9k Pro, has been engineered with small mobile power applications in mind, ready to take your operations up a notch without taking up extra space.

This bundle shines with its superior efficiency and compact design, providing a dependable power supply that maximizes energy in a minimal footprint. It's the perfect fit for mobile businesses with limited space, from small food carts to mobile pop-up shops, allowing you to do more with less.

The 3kW inverter smoothly manages power loads, while the 9kWh battery boasts a high energy density, supplying a consistent stream of power for extended periods. From keeping your equipment running to powering your lights, this compact powerhouse ensures you never run out of juice.

This bundle isn’t just a power solution—it's a commitment to a greener future. By choosing our energy-dense battery and inverter bundle, you're decreasing your dependence on fossil fuels, reducing emissions, and fostering sustainable operations. It's your step towards a more eco-friendly, carbon-neutral business.

Wave goodbye to bulky, noisy generators. Welcome to the efficient revolution in power that doesn't compromise on space. Join us in pioneering the move to more eco-friendly, reliable, and space-saving mobile power solutions. Energize your operations without sacrificing space with our 3kW, 9kWh Battery and Inverter Bundle.




9 kWh

Ac Output



3000 VA


6000 VA




155 lbs.

Warranty & Returns


Returns notice - For any returns where there are technical issues or breakage, you can return and money will be refunded. If the shipping box has been opened and the product is in working shape, you cannot be refunded due to the nature of this product.If our customer service team determines that this is a warranty matter, we will have you ship it back to us. You must properly package the product including proof of your purchase date with the product.

You must then send the product by mail or courier, with shipping costs paid by you, to Joule Case at 121 E 38th St, Suite 102, Garden City, ID, USA 83714. We will process your return and send your repaired or replacement product to you, at our expense, for warrantied products being shipped to locations in North America. For products purchased or being shipped outside of North America, please contact the local distributor from whom you purchased the product, or email to obtain further distributor information.

Shipping Information


Shipping costs are additional and are based on the size of the order and the destination.

Product Features


Expandable battery system designed to charge using renewable or on-grid sources.

No Fumes

Traditional generators produce toxic, harmful fumes that are bad for the environment and attendees.

No Noise

Our batteries are silent—allowing the focus of the event to be the main event.


The stackable design gives you the control to add more power based on your needs.

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The power to do anything

50" TV (110W)

81.2 hrs*

Fridge (100W)

90 hrs*

Laptop (60W)

150 hrs

Microwave (1000W)

9 hrs*

*based on average wattage

See why our battery systems are the solution for you

Customer Success Stories

Not sure if Joule Case can handle your power needs? Let us prove you wrong.