Big Battery ETHOS 2x Expansion Kit Kits Big Battery

Big Battery ETHOS 2x Expansion Kit

Name: Big Battery ETHOS 2x Expansion Kit
Brand: Big Battery
SKU: K0698
Price: 2550.0 USD
Availability: InStock

BY: Big Battery

SKU: K0698

| Availability: In Stock

$2,930.00

$2,550.00

You Save: $380.00

Found A Better Price?

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

Live Chat With an Expert

Estimated Delivery Between

and .

Order within to get it by the earliest date.

Order within

to get it by the earliest date.

Authorized Big Battery Dealer

Free & Fast Shipping From US Warehouses

Easy 30-Day Returns & Price Beat Guarantee

Lifetime Expert Support

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.

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.

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.

Manual

BigBattery ETHOS 2x Expansion Kit Manual

Shipping & Easy Returns

Shipping is FAST & FREE across the US. Read our full Shipping Policy here.

We offer market leading Easy 30 Day Returns. Read more about our Returns Policy here.

Why Buy From Us

We get it. You've got a lot of choices when it comes to online retailers. Here's why we think you should shop with us at Off-Grid Source.

Free Shipping: Absolutely no hidden charges, ever.
Guaranteed Best Prices: If you find a lower price elsewhere, we'll match it.
30-Day Easy Returns: Not Happy with your product? Return it, no questions asked.
Great Customer Service: It's rare to get a real person these days, but with us, you always will. Have questions? Call us at +1 (877)-556-3347.

FAST & FREE SHIPPING

From US-Based Warehouse

30-DAYS EASY RETURNS

Yes, Really.

GUARANTEED BEST PRICES

Find a Better Price? We’ll Match It.

GREAT CUSTOMER SERVICE

Call Us: (+1) 877-556-3347

Our Customers Tell It Better Than We Do

Excellent 4.9/5

Trusted By 10,000+ Customers. See All Reviews.

They Stood By Me

I was a DIY solar power wannabe... that is 'til I connected with Manny... The man's a prince! He not only knows his stuff; he walked me through all things electrical. To make sure I had all I needed... he gave me his cell phone # to text him anytime I got confused... nights and weekends included. The prices were very competitive... definitely go with Manny -- you won't go wrong!

Bruce D.

Awesome Service!

I am always hesitant to buy things at places I have never shopped... I want to give a shout out to Manny who with great patience and knowledge helped me get my orders... I felt valued as a customer and I will definitely be back in the future. I highly recommend them, they make you feel like family.

Jennene A.

Real Person, Honest Service.

I'm about to go off grid. I called Manny, he walked me through everything so I could truly understand what I needed and never tried to upsell me. He was honest and made a customer for life.

Ray B.

Easy Return

I would personally like to thank Manny... I purchased the inverter and decided I needed to return it... Manny was very understanding and went out of his way to help me return the product and not even have to pay for shipping return. He gives this company reputation, honor and quality customer service!

Roger V.

Totally Off Grid.

I have been talking with Manny the owner... He has not only helped me design a system but he's been assisting with the install and components. I am super pleased so far with the assistance.

Jeff S.

Great Product! Fast Shipping

We added 2 more batteries to our current set up. Pleased with the customer service from Off-Grid Source! Will be back!

Jason

Excellent Customer Service

Very fast response times. Very professional. I highly recommend!

Ray W.