Home Battery Backup
Be prepared for outages with home backup battery—a smart, rechargeable power solution that automatically kicks in during blackouts or when you want to save on energy costs, keeping your home running without the noise of a gas generator.
How to Set up Home Battery Backup
How to Set up Home Battery Backup
Battery Backup Specs with B300K Expansion
| Model | Capacity (Wh) | AC Outlet (W) | * B300K (qty, Max.) | * B300K (Pcs) | Expand to (Wh) |
|---|---|---|---|---|---|
| Apex 300 | 2,764.8 | 3,840 | 6 | 1 | 5,529.6 |
| 2 | 8,294.4 | ||||
| 3 | 11,059.2 | ||||
| 4 | 13,824 | ||||
| 5 | 16,588.8 | ||||
| 6 | 19,353.6 | ||||
| AC200L | 2,048 | 2,400 | 2 | 1 | 4,812.8 |
| 2 | 7,577.6 | ||||
| AC300 | / | 3,000 | 4 | 1 | 2,764.8 |
| 2 | 5,529.6 | ||||
| 3 | 8,294.4 | ||||
| 4 | 11,059.2 | ||||
| AC500 | / | 5,000 | 6 | 1 | 2,764.8 |
| 2 | 5,529.6 | ||||
| 3 | 8,294.4 | ||||
| 4 | 11,059.2 | ||||
| 5 | 13,824 | ||||
| 6 | 16,588.8 | ||||
| AC500*2 (Split Phase) | / | 10,000 | 2~12 | 2 | 5,529.6 |
| 3 | 8,294.4 | ||||
| 4 | 11,059.2 | ||||
| 5 | 13,824 | ||||
| 6 | 16,588.8 | ||||
| 7 | 19,353.6 | ||||
| 8 | 22,118.4 | ||||
| 9 | 24,883.2 | ||||
| 10 | 27,648 | ||||
| 11 | 30,412.8 | ||||
| 12 | 33,177.6 |
Battery Backup Specs with B500K Expansion
| Model | Base Capacity (Wh) | AC Outlet (W) | Max B500K (Qty) | B500K (Pcs) | Expand to (Wh) |
|---|---|---|---|---|---|
| Apex 300 | 2,764.8 | 3,840 | 6 | 1 | 7,884.8 |
| 2 | 13,004.8 | ||||
| 3 | 18,124.8 | ||||
| 4 | 23,244.8 | ||||
| 5 | 28,364.8 | ||||
| 6 | 33,484.8 | ||||
| AC200L | 2,048 | 2,400 | 2 | 1 | 7,168 |
| 2 | 12,288 | ||||
| AC300 | / | 3,000 | 4 | 1 | 5,120 |
| 2 | 10,240 | ||||
| 3 | 15,360 | ||||
| 4 | 20,480 | ||||
| AC500 | / | 5,000 | 6 | 1 | 5,120 |
| 2 | 10,240 | ||||
| 3 | 15,360 | ||||
| 4 | 20,480 | ||||
| 5 | 25,600 | ||||
| 6 | 30,720 | ||||
| AC500*2 (Split Phase) | / | 10,000 | 2~12 | 2 | 10,240 |
| 3 | 15,360 | ||||
| 4 | 20,480 | ||||
| 5 | 25,600 | ||||
| 6 | 30,720 | ||||
| 7 | 35,840 | ||||
| 8 | 40,960 | ||||
| 9 | 46,080 | ||||
| 10 | 51,200 | ||||
| 11 | 56,320 | ||||
| 12 | 61,440 |
What’s Home Battery Backup
A home battery backup is a residential energy storage system that stores electricity for later use. It’s a comprehensive home energy management system that features high-tech components like grids, solar panels, batteries, and regulators.
The whole home battery system is a blend of energy storage, power supply, backup power, and grid interaction. As it sounds, batteries store electricity when the electricity demand is low and supply power whenever needed. Modern home battery backup systems can automatically switch to backup mode in case of a power outage and keep your electronics running.
How Home Battery Backup Systems Work?
When it comes to the functionality of a home battery backup, it depends on the type of system you have. You have a choice between solar backup systems, off-grid solar batteries, and standalone backup systems. While standalone batteries use AC electricity to fulfill the storage, solar ones utilize the sun’s energy and come up as a sustainable option.
Solar home battery backup systems convert sunlight into direct current (DC) electricity using solar panels. The batteries store the DC electricity, and the inverter converts it into usable alternating current (AC) electricity. If you have a grid-tied system, excessive power will go to the grid and allow you to redeem it as an energy bill credit.
Why Home Battery Backup Matters？
Backup power during electric outages
The most obvious advantage of a reliable home battery backup is the consistent power supply. During electric outages, the power storage system takes over and provides the required amount of electricity. Also, sudden electric outages may damage your appliances or interrupt your daily processes. Home battery backup systems instantly give power to your appliances and maintain your comfort.
Reliable energy independence
When you have a secondary source of energy, you don’t have to completely rely on utilities. With a home battery backup, you can utilize your energy storage whenever you want. It allows you to generate onsite, offset grid electricity purchases, and reduce your utility dependence.
Emission-free electricity
A home battery backup system based on solar energy can sustainably produce emission-free electricity. You can minimize the use of utility-scale electricity made from natural gas, coal, and other fossil fuels. Henceforth, you’re contributing to environmental conservation while saving your money on bills.
Increases solar energy savings
If you live in areas that have time-of-use electricity rates, a home battery backup system can make your energy purchases smarter. In many parts of California, off-peak can be as low as 16–20¢/kWh while peak rates now regularly hit 45–60¢/kWh. Charging overnight and discharging during expensive evenings can save $500–$1,200+ per year.
Why Choose BLUETTI for Home Battery Backup?
1. Addressing Power Instability in Many Regions
We have noticed frequent power instability in regions like California and Texas. Surprisingly, over 1 million residents experienced power outages in California. BLUETTI understands this power instability and has innovated high-quality home battery backup systems. If you also live in one of the areas facing frequent power outages, our solutions worth your while.
Fast-acting UPS
BLUETTI battery backup systems feature a specific UPS mode optimized to backup power within 20ms. It instantly switches to stored energy and ensures your essential devices keep working during the outage.
Highly expandable
As every home has its unique requirements, we have crafted our products to be expandable. Our home battery backup system Apex 300 comes with a 2,764.8Wh built-in battery and supports up to 6 B500K expansion batteries, reaching a maximum of 33,484.8Wh capacity.
Super-fast charging
Despite having a massive battery capacity, battery can rapidly charge up to 80% in just 45 minutes. The credit goes to the Turbo Charge mode and AC+DC dual charging capacity. Also, it features an incredible max charging rate of 8000W.
High power output
As discussed above, AC500 can generate up to 5000W continuous output. Guess what? It’s only with a single chase! At its peak and with support for 50A bypass, it can even generate up to 10000W, which is enough for all the devices and electronics you might have.
2. Reducing Installation Complexity and Cost
Installation of a regular home battery backup can cost anywhere from $3,000 to $15,000 in the US. Even after spending this much, you still have to experience installation complexity and alterations to your home’s design. That’s where BLUETTI’s home battery backup systems with modular design shine!
Modular design
BLUETTI manufactures green storage solutions while keeping convenience and customer experience in mind. Our products support plug-and-play installation, which is convenient, transportable, and cost-effective.
Flexible capacity expansion
Thanks to the modular battery design, BLUETTI home battery backup systems are easily scalable. You can easily add additional batteries for greater capacity, extended battery life, and power autonomy.
Flexible application
With an exclusive variety of products, BLUETTI gives you access to green energy on the go. Our home battery backup systems have a flexible application that enables you to detach one unit from the complete setup. Whether you’re going camping or on a long trip, you can carry a part of your energy storage with you.
3. Managing High Energy Costs
We have already discussed about the high prices of utilities in the above section. Well, there’s more. There’s a huge difference between peak and off-peak prices. While the price during peak hours is 30 cents per kWh, the off-peak price is just 30 cents per kWh. The integration of smart technologies in BLUETTI systems can help in saving on your electricity bills. Let’s see how!
PV priority mode
BLUETTI home battery backup solutions spotlight a specific PV priority UPS mode. You can prioritize solar power usage and harness 3000W PV output. Not only will it help you reduce your utility bills, but this mode will also reduce your dependence on the grid.
Peak shaving
Along with PV priority mode, our products also feature peak shaving technology. There’s a Time-Controlled UPS Mode that allows you to charge your batteries during off-peak hours. When the costly peak hours start, you can use the stored energy and lower your cost.
User-defined settings
Customization matters, and our user-defined settings set a benchmark. BLUETTI home battery backup systems have customizable UPS mode. It allows you to set PV charging and power supply times and amounts for maximum savings.
Local Rebates & State Incentives (Post-ITC)
While the 30% Federal Tax Credit (ITC) for residential systems expired at the end of 2025, you can still significantly lower your budget through state-level programs. High-capacity BLUETTI systems (Apex 300 + B500K) qualify for massive rebates in states like California, where the SGIP program can cover up to $1,000+ per kWh for eligible households. Additional credits and sales tax exemptions are still available in NY, MD, MA, and FL to help make home backup affordable.
4. RV and Off-Grid Power Needs
RV trips and stays are fun, but standard power systems generally fail to meet electricity needs. Users end up opting for traditional gas generators, which are noisy, polluting, and harmful to the environment. With BLUETTI battery backup systems, you can overcome these obstacles and enjoy consistent power to your appliances without any daunting upgrades.
Complete RV power backup
For RV users, BLUETTI provides two fitting choices. The AC200L is lightweight, portable, and affordable with a 2,400W inverter that powers essentials such as lights, fans, fridges, or a coffee maker, making it well suited for light RV campers who want simple and reliable energy with minimal setup. The Apex 300 delivers 3,840W AC output, multiple AC and DC ports including a built-in TT-30 connector for direct RV shore power, and an expandable capacity of up to 33kWh with B500K batteries, making it the ideal solution for medium to heavy RV users who need to operate air conditioners, ovens, or heating systems and who value the option of long-term off-grid living with a 12V 50A DC Hub system.
Efficient LFP batteries
If you hate gas generators for their noisy operation, our solar battery backup systems will thrill you. BLUETTI products operate below 40db and come with efficient LFP batteries for an environment-friendly operation.
D480 quick charge module
D480 quick charge module is advanced charging technology that supports fast charging while driving. Furthermore, our systems also support PV, RV charging stations, and EV charges for extended RV power during trips.
5. Enhanced Safety Features
Safety and security mean a lot when it comes to powering an entire home off the grid. BLUETTI products incorporate UL-certified LiFePO4 battery cells with 6000+ cycles. Besides that, battery management system (BMS) and Pure Sine Wave Output add multiple layers of protection and safety to sensitive electronics.
Use Cases for BLUETTI Home Battery Backup
Residential backup
As the name describes, a home battery backup is a perfect residential backup. BLUETTI battery backup systems are expandable and offer high AC output. Therefore, you can keep your essential devices running during the outages.
Outdoor & RV use
Outdoor adventures and RVs require a reliable electricity source on the go. Our home battery backup systems can also be installed in RVs to power electronics. Not to mention, the detachable design allows you to carry one unit of the primary system without compromising the performance.
Outdoor events
Apart from trips, BLUETTI power backup systems are also perfect for professional usage. The high AC output can juice up all the event equipment, from communication devices to sound systems. With solar compatibility and a long-lasting battery, our portable power backup systems won’t let you miss a beat at the event.
Common Questions About Home Battery Backup
- Q1: How much does a home battery backup system cost in the U.S.?
- A: With BLUETTI, the cost varies depending on capacity and setup. A basic system for essentials can start at around $3,000–$5,000, while a whole-home solution with expansion batteries typically ranges from $8,000–$15,000 or more depending on storage needs. Because BLUETTI systems are modular, you can start small and expand later, so you only pay for what you actually need.
- Q2: How long can a home battery backup keep my house running during an outage?
- A: Runtime depends on your setup size and how much electricity you use. A single Apex 300 with expansion batteries can keep essentials going for 12–24 hours, while larger configurations can last several days. In terms of lifespan, BLUETTI’s LiFePO₄ batteries are designed for 10–15 years of use, with over 3,000 charging cycles.
- Q3: How much battery capacity do I need to back up my whole house?
- A: The average U.S. home uses around 20–30 kWh of electricity per day. If you only want to cover essentials like lighting, refrigeration, and Wi-Fi, a 10–15 kWh system is often enough. For full-home coverage, including central air, ovens, and other heavy appliances, most families look at 20–40 kWh or more, which BLUETTI modular systems can achieve with the Apex 300 and B300K batteries.
- Q4: How long will a 13.5 kWh battery backup last?
- A: A 13.5 kWh BLUETTI setup can typically power essentials—such as your fridge, lights, Wi-Fi, and a few appliances—for 12–18 hours. If you’re running heavy loads like air conditioning or electric cooking equipment, that same battery may last closer to 4–6 hours.
- Q5: Can I connect a BLUETTI home battery backup to solar panels?
- A: Yes. BLUETTI systems are solar-ready and can be paired with rooftop or portable solar panels. This allows you to recharge your battery backup with renewable energy, lower your utility bills, and extend runtime during longer outages.
- Q6: Can a BLUETTI home battery be used while it’s charging?
- A: Absolutely. BLUETTI systems support pass-through charging, which means you can charge the battery while powering your appliances at the same time. This feature ensures your home stays powered without interruption.
- Q7: Is a BLUETTI home battery backup safe to use indoors?
- A: Yes. Unlike gas generators, BLUETTI batteries use LiFePO₄ cells and produce no fumes, no noise, and no carbon monoxide, making them completely safe for indoor use.
- Q8: What appliances can a BLUETTI home battery backup run?
- A: That depends on the model and configuration. An Apex 300, for example, can power essentials such as refrigerators, lights, and electronics, while expanded systems with additional B300K batteries can run high-demand appliances like HVAC, ovens, or washing machines.
- Q9: Does a BLUETTI home battery backup require professional installation?
- A: Not necessarily. Smaller setups are plug-and-play and can be used right out of the box. For whole-home integration with a transfer switch or sub-panel, professional installation is recommended to ensure safety and compliance with local electrical codes.
- Q10: Can I expand my BLUETTI system later if my energy needs grow?
- A: Yes. BLUETTI systems are modular, meaning you can start with a single unit and add extra batteries over time to increase capacity as your household’s needs change.
My Cart (0)
