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BigBattery 12kW 20.4kWh ETHOS Energy Storage System (ESS)
REVOLUTIONIZING RESIDENTIAL ESS! BigBattery’s 48V ETHOS systems are here, and this 20kWh indoor configuration is the ideal solution for grid-tied power in your family home, cabin, or mansion, supported by comprehensive safety, reliability, and state-of-the-art features.
The ETHOS System was built to be a versatile home power solution, with a stackable, modular design for easy expandability, and all hardware included to mount your ETHOS to your wall with an effortless installation. The ETHOS comes equipped with an IP65-rated casing, an internal fire suppression system, as well as an advanced BMS with auto cell-balancing to ensure long-lasting safety and reliability. Plus, its control box features an interactive LED display, along with CANBus and RS485 communication protocols, so you can always monitor the status and performance of your power.
But that’s not all. We pair our ETHOS with a cutting-edge 12000W Lux inverter, which features its own LCD touch screen display, 3 MPPT inputs, an integrated UPS module for seamless on and off-grid switching, and the ability to handle PV arrays of up to 18000W. Plus, through its smart load control, AC coupling abilities, and peak shaving function, you can meet your power needs and protect your home against unstable grids or rolling blackouts, while seeing huge savings each month on your electric bill.
Whether you’re looking to ensure emergency backup power is always available, or you’re looking to outfit your home with a powerful solar system, the ETHOS ensures reliable, efficient power delivery day in and day out, allowing you to save on utilities, or get rewarded for giving back to the grid through net metering programs and other tax incentives. Take control of your home’s power and shop the 48V ETHOS today!
30% Federal Tax Credit Available
- This system qualifies for federal rebates. Learn more here.
Warranty:
- BigBattery: 12-Year Full Coverage Warranty
- LUXPower: 10-Year Limited Warranty
Benefits:
- 300% 10-Year Savings vs Lead-Acid
- 1/3 the weight and space
- 4x cycle life
- 100% safe and reliable
Designed For 48V Applications:
- Residential Power Systems
- Home Solar Systems
- Cabins & Tiny Homes
- Family Homes & Mansions
- Off-Grid Homesteads
- Emergency Power
- Whole Home Backup
- Lead Acid Replacement
Videos:
BigBattery's UL-Certified Lithium Power Solution featuring the ALL NEW 48V ETHOS!!!
48V ETHOS Installation Guide
Included Components:
- 4 × 48V ETHOS 5.12kWh Stackable Battery Module
- 1 × ETHOS Control Box
- 1 × ETHOS RACK BASE
- 1 × LUXPower 12kW Hybrid Inverter
- 2 × Ethos Parallel Power Cable 4.9 ft (1500mm)
- 1 × Ethos Parallel Comm Cable 4.9 ft (1500mm)
Single Stack Tech Specs:
| Brand | BigBattery |
| SKU |
K0956 |
| GTIN-12 (U.P.C.) |
850061252111 |
| 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 |
| BMS Cutoff Range |
42 - 47V |
| Cell Configuration |
16S 2P |
| Max Continuous Discharge Current |
250A |
| Max Continuous Power |
12800W |
| 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 / NEMA 4X |
| Communications | CANBus / RS485 |
| Certifications | UL9540, UL9540A, UL1973, & UN38.3 |
| Resources | |
| Inverter Downloads |
Let customers speak for us
I absolutely love how easy it is to use and how well they fit and look. Awesome!!
Excellent. Placed unit in a two room cabin with each inside unit on the same common wall. Outside temps were in the low 40’s and the cabin was quickly warmed.
Very easy to install, and with a little trouble shooting with help from tech. it was very quietly putting out ice cold air... Had a bad fuse in my disconnect....
This is a good air conditioner for the price. Our apartment living room and kitchen have been kept nice and cool. The complex we moved into actually already had these installed but I have been so happy with the performance I purchased one for my mom who lives in a tiny home, I'm an HVAC tech and it was about time to replace her HVAC. Yes, I recommend this.
We have zero regrets! No wait, one. That we didn’t get them sooner! We (my husband, self and 19yr old son) work outside noon-8am several days a week in Texas. It doesn’t matter how low you set your AC unit it’s just never enough and it just runs it into the ground. We finally decided to pull the plug. In my 40 years I’ve never slept so good. It’s like hotel good but in your own bed!!! Install was super easy because I watched him do it, LOL. I kid. I’ll ask for his install input and update but seriously he installed all 4 (3 bedrooms and 1 living room) in 2 days. Probably wouldn’t have taken so long if he didn’t have to pour a pad for them but it was well worth it! Last pic is from the Nest. They were installed Friday. Compare usage from Sat & Sun to before we got them! Insane!!!
This was best investment I've ever made. I put this on the wall on my porch that I've converted to a sun room. This extra space that I enclosed with plexiglass and wood and sealed with insulation stayed about 20 degrees different from out side. With a window unit and heaters. Now with the split unit it stays what ever temp I want it to be. The della split unit is so quite I have to put my ear on it to hear it run sometimes the out side unit is even quite. If you mount on outside wall that is a little thin and only a few inches thick it might give a little bit of a hum but so slight you have to want to hear it. Turbo cool or heat will cool or heat super fast. The system is perfect 👌 👍 🥰. I love it.
I live in Florida and our summers are brutal. I installed this in my garage.
It wasn’t a hard install but it took my dad and I about 8 hours. He ran the electrical.
Around this time of the year, my garage is around 82 degrees and +70% humidity, the air is very wet.
This morning it was 74” and 52% humidity.
The indoor and outdoor units are remarkably quieter compared to our house’s HVAC system.
I bought and installed 2 of the della mini splits in the last 8 months, one for my double wide 1800 sqf that I am remodeling little by little, and another for my daughters craftsman home. What an improvement! So silent! So efficient! So easy of operating. For the last 10+ years, we have been using windows AC units and radiant heaters after our central heat and air system broke. The suffering is over. We are saving $100 a month on the power bill and enjoying ourselves inside now. Our Great Pyrenees friends are enjoying the AC's too during the scorching hot summer days. They are pretty easy to install. Follow the instructions on the book and watch some videos on YouTube. On the second install, I made an electrical mistake and purchased the wrong breaker. I am only a landscaper by the way. No problem! I called the technical support number and a very nice tech called me back after just a few hours and figured it out by phone within 5 minutes. It is all great! We just keep it simple by using the remotes. I love the delay timer option. Now that the weather is cooling down (80's max), I set the timer so it doesn't come ON automatically before 12 pm. By the time the girls come from school, 75°f is back as set. GREAT PRODUCT, GREAT TECHNICAL SUPPORT
Installation was a breeze. Unit is working flawlessly. I love that it connected to my Alexa and I can voice control or use the Della app. I am going to purchase a second Della for our guest home.
Got these panels for my backyard as the wall for the Composting area. Black is good for absorbing the heat of the sun and is easy to hide the ugly things. It is a good quality product. The foot support is stainless steel and long enough to bind the ground and the panels. As it is with a good quality, it is just a little heavy, which may require two people to move around or install it.
Solid plastic material. Assembly was easy with a power screwdriver. Looks better than an ugly air conditioner unit.
Great value and just the right size. Note that if you want to place them in a straight line, you will need to use an electric screwdriver to tighten the screws.
Made from good quality materials. Very easy to install and assemble. Looks great to hide the trash bins. Would buy more for AC.
I use it to cover the trash can. It is very practical. This way you can't see the dirty surface of the trash can. I strongly recommend it.
Great product. Installation was very easy
What customers think about the store
Store specializes in HVAC systems and power solutions with competitive pricing and fast shipping. Customers praise responsive customer service, professional installation support, and product quality. Many report significant energy savings and appreciate DIY-fr...