Sigma 3.97kWh Stackable Batteries
Sale!

Sigma 3.97kWh Stackable Batteries

$2,399.00 (Primary)

$2,099.00 (Secondary)

FINANCing availAbLE

Under the Inflation Reduction Act (2022), all energy storage systems over 5 kWh qualify for a 30% Federal Tax Credit.

Joule Case is the only scaleable battery system that powers limitless possibilities.

The Sigma Stackable Storage system is an advanced, scalable battery solution designed to meet a wide range of energy storage needs. With a base capacity of 3.97 kWh, it can be expanded up to 27.8 kWh, ensuring flexibility and adaptability for various applications. Featuring a 90% depth of discharge and high round-trip efficiency, Sigma delivers reliable performance with minimal energy loss. The system is easy to install with a plug-and-play setup, and its robust design allows for both indoor and outdoor use. With a voltage range up to 459.9 V and wide temperature tolerance, Sigma Stackable Storage is built to perform in diverse environments.

Specs

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Battery Type

LiFePO4 Prismatic Cell

Communication

CAN

Cooling Method

Natural Convection

Depth of Discharge (%)

90

Display

LED

Humidity (%)

0 to 100 (No Condensing)

Ingress Protection

IP65

Installation Location

Outdoor / Indoor (Stand)

Max. Charge / Discharge Current (A)

50

Nominal Capacity (kWh/module)

3.97

Nominal Voltage (V/module)

57.6

Operating Temperature

14 to 131 (°F) / -10 to 55 (°C)

Operating Voltage (V)

48.6-65.7

Peak Discharge Current (A)

65A @60sec

Round-trip Efficiency

>95%

Safety

UL1973, UL9540, UL9540A

Scalability

Max. 7 Modules in Series

Standard Warranty (Year)

Standard 12.5 years*1

Storage Temperature

-4° to 131 (°F) / -20 to 55 (°C)

Transportation

UN38.3

Dimensions

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Weight

84.9 lbs. (P) | 76.8 lbs. (S)

Dimensions

22.4 x 9.1 x 15.0in (P) | 22.4 x 4.7 x 15.0in (S)

Warranty & Returns

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To obtain warranty service, please contact our customer service team via telephone at (888) 200-5414, or via email at support@joulecase.com. If our customer service team determines that this is a warranty matter, Joule Case will provide appropriate packaging and will arrange for shipping back to our facility. You must properly package the product and provide proof of purchase and purchase date with the product. Please ensure any returns are addressed to:

Joule Case Warranty Dept

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 product purchased or being shipped outside of North America, if you purchased through a local distributor, please contact the local distributor from whom you purchased the product, or email support@joulecase.com to obtain further distributor information.

Shipping Information

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

Product Features

Charge

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

No Fumes

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

No Noise

Our batteries are silent—no shouting to have a conversation or being drowned out by the constant hum of a generator.

Store

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

The power to do anything

50" TV (110W)

Up to 250 hrs*

Espresso Machine (2200W)

Up to 12.5 hrs*

Freezer (400W)

Up to 69.5 hrs*

Microwave (1000W)

Up to 27.8 hrs*

*based on average wattage

See why our battery systems are the solution for you

UNLEASH A FORCE OF NATURE.

Customer Success Stories

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