Skip to content

Big Battery ETHOS 2x Expansion Kit

BY: Big Battery | SKU: K0698 Availability: In Stock
$4,150.00

Notify me when back in stock

Found a Better Price?

Share it with us now and we will beat it. Get the best deal online - Guaranteed!

  • Authorized Big Battery Dealer

    Full manufacturer warranty included

  • Free Shipping + No Sales Tax

    More savings on every purchase

  • Easy 30-Day Returns & Price Beat Guarantee

    Risk-free shopping + best price guaranteed

  • Lifetime Expert Support

    Dedicated help whenever you need it

Estimated Delivery Between

and .

Order within to get it by the earliest date.

Big Battery ETHOS 2x Expansion Kit

The Big Battery ETHOS 2x Expansion Kit is designed to seamlessly augment your existing ETHOS energy storage system. This kit includes two stackable 48V 5.12kWh LiFePO4 battery modules, a rack base, and all necessary power and communication cables for integration. Ideal for homeowners and businesses aiming to increase their energy storage capacity, this expansion kit ensures reliable and efficient power delivery, supporting applications like emergency backup, solar energy storage, and participation in net metering programs.

BigBattery ETHOS 2x Expansion Kit Features

Modular Expansion

Add two 5.12kWh battery modules to your existing ETHOS system, increasing total capacity by 10.24kWh.Stackable Design

The compact, stackable form factor allows for efficient use of space and easy scalability.

Comprehensive Integration

Includes all necessary components—rack base, power cables, and communication cables—for straightforward installation.

High-Quality LiFePO4 Chemistry

Utilizes lithium iron phosphate (LiFePO4) cells known for their safety, longevity, and performance.

UL-Certified Components

Ensures compliance with industry safety standards for peace of mind.

Placeholder Image

BigBattery ETHOS 2x Expansion Kit Applications

Residential Energy Storage – Enhance your home's energy independence and resilience.

Commercial Backup Systems – Provide reliable backup power for businesses during outages.

Solar Energy Storage – Store excess solar energy for use during non-sunny periods.

Grid Services Participation – Enable participation in net metering and other grid incentive programs.

Placeholder Image

What's Included

Everything you need is included with your product.

  • 2 × 48V ETHOS 5.12kWh Stackable Battery Module
  • 1 × ETHOS RACK BASE
  • 2 × Ethos Parallel Power Cable 4.9 ft (1500mm)
  • 1 × Ethos Parallel Comm Cable 4.9 ft (150cm)

BigBattery ETHOS 2x Expansion Kit Specifications

Category Specifications
SKU KIT0698
GTIN-12 (U.P.C.) 850061252173
System Voltage 48V
Nominal Voltage 51.2V
Chemistry LiFePO4
kWh Capacity 10.24kWh
Ah Capacity 200Ah
Charging Voltage Range 55.6 - 57V
Max Charge Voltage 57V
Operating Voltage Range 48 – 57V
Suggested Low Voltage Cutoff 48 – 50.8V
Cell Configuration 16S 2P
Max Continuous Discharge Current 200A
Max Continuous Power 10240W
Max Discharge Peak Current 300A (Max 5 seconds)
Max Charge Current 200A
Charge Temperature Range 32°F - 113°F (0°C - 45°C)
Discharge Temperature Range -4°F - 140°F (-20°C - 60°C)
Optimal Discharge Temperature Range 59°F - 95°F (15°C - 35°C)
Storage Temperature Range (SoC >50%) -4°F - 113°F (-20°C - 45°C) (Max 6 months)
Weight 273 lb (123.8 kg)
Depth 6.7 in (170 mm)
Width 26.5 in (674 mm)
Height 43.3 in (1100 mm)
Max Connections Up to (16) parallel connections per control box
Protection Rating IP65
Communications CANBus / RS485
Certifications UL9540, UL9540a, UL1973, & UN38.3

BigBattery ETHOS Control Box Video

Frequently-Asked Questions

Can I use the ETHOS 2x Expansion Kit without an existing ETHOS Control Box?

No, this expansion kit is designed to integrate with an existing ETHOS system that includes a Control Box.

How many expansion kits can I add to my ETHOS system?

You can connect up to 16 ETHOS battery modules per Control Box, allowing for significant scalability.

Is the installation of the expansion kit complex?

The kit includes all necessary components for integration, and the stackable design simplifies the installation process.

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)