✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Smart Big Battery 12kw 20.4kwh Ethos Off-grid Power System Diy Kit [kgRMnPEw]

$106.99 $342.99 -69%

Big Battery ETHOS Off-Grid Power System The Big Battery ETHOS Off-Grid Power System is a revolutionary solution for those seeking a reliable and efficient off-grid power source. This comprehensive system, designed for tiny homes, cabins, and homestea

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Smart Big Battery 12kw 20.4kwh Ethos Off-grid Power System Diy Kit [kgRMnPEw]

Big Battery ETHOS Off-Grid Power System

The Big Battery ETHOS Off-Grid Power System is a revolutionary solution for those seeking a reliable and efficient off-grid power source. This comprehensive system, designed for tiny homes, cabins, and homesteads, combines cutting-edge technology with user-friendly features to ensure seamless power delivery. With a total capacity of 20.4kWh and a 12kW power output, the ETHOS system provides the ideal balance of power and energy storage.

Advanced Features and Specifications

The ETHOS system boasts an array of advanced features that set it apart from other off-grid solutions. Its stackable, modular design allows for easy expandability, making it suitable for various power needs. The system includes a 48V ETHOS 5.12kWh Stackable Battery Module, a robust ETHOS Control Box, and a durable ETHOS Rack Base. Each component is designed to ensure maximum safety and reliability, with an IP65-rated casing and an internal fire suppression system. Additionally, the ETHOS system comes with two EG4 6kW (8kPV) OFF-GRID INVERTER-CHARGERS, each featuring a LCD touch screen display, 2 MPPT inputs, and an integrated UPS module for seamless on and off-grid switching.

Practical Applications and Benefits

The Big Battery ETHOS Off-Grid Power System is perfect for those who require emergency backup power or a continuous, uninterrupted power supply. Whether you're living off the grid or looking to protect your home against unstable grids or rolling blackouts, the ETHOS system delivers. Its smart load control, AC coupling abilities, and peak shaving function not only meet your power needs but also help you save on your electric bill. The system is designed for ease of use, with an interactive LED display and CANBus and RS485 communication protocols for real-time monitoring. With the ETHOS, you can take control of your power and enjoy the peace of mind that comes with a reliable off-grid power solution.

What Our Customers Say

January 18, 2026

Absolutely no complaints!

A superior product in both form and function.

- Xavier B..

January 18, 2026

Absolutely no complaints!

It's a solid tool that gets its job done well.

- Zane X..

January 18, 2026

Absolutely no complaints!

Excellent build quality for this very low price.

- Russell J..

Write a Review

You Might Also Like

Discover more great products from our collection.

Squirrel

Squirrel

(859)
$69.99 $223.99 -69%
Beat Navy Blanket

Beat Navy Blanket

(900)
$27.99 $89.99 -69%
Panel Wall Lamp – Wheat Field

Panel Wall Lamp – Wheat Field

(695)
$100.99 $323.99 -69%
Rhine Falls Power Recliner

Rhine Falls Power Recliner

(683)
$60.99 $195.99 -69%
DOOR,REAR ASSEMBLY

DOOR,REAR ASSEMBLY

(330)
$63.99 $204.99 -69%
Koeltoonbank Niza 9 - Bruin

Koeltoonbank Niza 9 - Bruin

(2)
$139.99 $447.99 -69%
VSW_V3621

VSW_V3621

(405)
$34.99 $111.99 -69%
2024 PREMIER PUMP  8NHTH-RP-DC13

2024 PREMIER PUMP 8NHTH-RP-DC13

(529)
$170.99 $547.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY