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Comfort First Big Battery 12kw 30.7kwh Ethos Off-grid Power System Trusted Seller [W1zsLgPd]

$140.99 $451.99 -69%

Revolutionize Off-Grid Power with Big Battery ETHOS System Introducing the Big Battery ETHOS Off-Grid Power System, a game-changer for anyone seeking reliable and efficient off-grid power solutions. This comprehensive 30.7kWh system is designed to ca

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Comfort First Big Battery 12kw 30.7kwh Ethos Off-grid Power System Trusted Seller [W1zsLgPd]

Revolutionize Off-Grid Power with Big Battery ETHOS System

Introducing the Big Battery ETHOS Off-Grid Power System, a game-changer for anyone seeking reliable and efficient off-grid power solutions. This comprehensive 30.7kWh system is designed to cater to the needs of tiny homes, cabins, and homesteads, offering a seamless blend of safety, reliability, and cutting-edge technology. With its modular and stackable design, the ETHOS system ensures easy expandability and effortless installation, making it an ideal choice for a variety of off-grid applications.

Key Features and Specifications

The ETHOS system is equipped with a 48V battery module, providing a robust power source for your off-grid requirements. Its IP65-rated casing and internal fire suppression system ensure maximum safety, while the advanced Battery Management System (BMS) with auto cell-balancing guarantees long-lasting reliability. The system's control box features an interactive LED display and CANBus and RS485 communication protocols, allowing for real-time monitoring and performance tracking. Additionally, the ETHOS is paired with two 6000W split-phase inverter-chargers from EG4, 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

Whether you need emergency backup power or a continuous, uninterrupted power supply, the Big Battery ETHOS system is up to the task. Its smart load control, AC coupling abilities, and peak shaving function not only meet your power needs but also protect your home against unstable grids or rolling blackouts. This system is perfect for those looking to save on utilities and ensure a prepared lifestyle. With its comprehensive range of included components, including battery modules, control boxes, and inverter-chargers, the ETHOS system is a complete package for all your off-grid power needs.

What Our Customers Say

January 20, 2026

Absolutely no complaints!

The product is of a very high quality.

- Roselyn F..

January 20, 2026

Absolutely no complaints!

Very good. I would definitely recommend.

- Cedric R..

January 20, 2026

Absolutely no complaints!

This is a fantastic, well-made item.

- Emily J..

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