5 Best Home Battery Backup Solutions By BLUETTI In 2025

Modern living requires the best home battery backup solutions because energy reliability is a dominant requirement in our present era. The innovative technology used in them delivers uninterrupted power to guarantee home safety from power failures as well as uninterrupted operation of crucial appliances. Not to mention, home batteries can extract the maximum utility from renewable power sources, including solar energy. 

Excess solar energy produced beyond daily usage is stored in these battery backups. This enables clean energy utilization during periods of low sunlight and decreases homeowners’ dependency on fossil fuels. In this post, we’re going to share what to look for when getting a home battery backup solution as well as review the top 5 options from BLUETTI in 2025. 

What to Look for in a Home Battery Backup System?

Your selection of a home battery backup system requires evaluation of specific factors to determine compatibility with your energy demands and system requirements. Therefore, inspect the battery capacity for power storage, power output capabilities, panel compatibility, and efficiency ratings, as well as the expected lifespan, before moving ahead. Also, check installation requirements and whether it integrates with your current electrical system. Here we’ve discussed each factor in detail:

1. Storage Capacity

The storage capacity of a battery is measured in kilowatt-hours (kWh). This indicates the amount of energy the battery stores and how long it can power a home during outages. So, decide on a capacity level by considering how much energy you use as well as your targeted outage duration. 

While bigger batteries last longer, they can cost more. Also, not all stored energy is usable. The depth of discharge (DoD) refers to the percentage of a battery's capacity that can be safely used without degrading performance. For example, lithium-ion batteries typically allow up to 90% DoD, while lead-acid ones allow about 50%.

2. Power Output

The measure of power output is in watts (W), which ascertains how much a battery supplies its energy at once. This decides whether it will sufficiently operate necessary household appliances such as HVAC systems and refrigerators. When choosing a battery, pay attention to its output power because the selection of a system with adequate power reserves is crucial to preventing system overload.

3. Cycle Life

The capacity for battery charging and discharging represents the cycle life that determines its lifespan. It’s measured by capacity reduction throughout multiple cycles. A battery with a longer surviving capacity proves advantageous for users who need extended use. Lithium-ion batteries maintain 2,000 to 10,000 charge-discharge cycles while the cycle life of lead-acid batteries declines faster.

4. Compatibility With Solar Panel

Your battery alongside solar panels will deliver maximum performance only when they operate with compatible systems. A properly functioning solar charging system requires an identical battery voltage to the solar array configuration. Therefore, a hybrid inverter will be a suitable solution because it supports solar power together with battery power. 

5. Integration

Integration ascertains your battery functions well with solar panels and smart home tech. A compatible battery will let you store excess solar energy for later use. You can find that many modern batteries integrate well with solar systems and smart features, helping you monitor and manage energy efficiently.

6. Recharging Options

The search for a whole-home battery backup system should include features for multiple charging methods to make usage more convenient. Several batteries provide multiple charging pathways that combine solar and electrical grid power along with car adapter ports. This allows you to select solar power to lower electricity expenses and benefits from grid power for expedited charging capabilities. You can also choose the car outlet option if you’re on a road trip and the battery is portable.

7. Safety Features

It is critical to select a solution that contains integrated cooling technology, which helps avoid overheating conditions. Advanced monitoring systems are also standard in many solutions, so you can monitor temperature, voltage, and current status. The system can also shut down or send alerts when needed. 

Additional safety features include protection against damaging occurrences such as overcurrent, overvoltage, and short circuits. Besides, when selecting your batteries, you should choose ones that hold certification and demonstrate high quality while meeting safety standards for dependable performance. 

For example, critical certifications like UL (Underwriters Laboratories) and CE (Conformité Européenne) ascertain that home battery backup systems meet safety and quality standards. UL certification focuses on electrical and fire safety, while CE certification allows products to be sold in Europe. These indicate durable, high-quality products and also help manufacturers access markets and avoid recalls or legal issues. Other certifications like FCC and NTC ascertain that home battery backup solutions meet safety, performance, and compatibility standards.

8. Efficiency

The ability of a battery to store power while delivering its stored energy represents efficiency. Round-trip efficiency represents the power lost during charging and discharging, yet a higher efficiency value means the solar output becomes available for use. 

Lithium iron phosphate (LiFePO4) battery types work at a different efficiency rate than nickel manganese cobalt (NMC) battery types. The primarily advantageous aspect of LiFePO4 batteries is their reliable safety combined with extended lifespan, but NMC batteries deliver stronger storage capacity.

9. Portability

The portability of a backup battery solution during road trips and camping depends on your selection of a system with a small size and minimal weight. Remember, the capacity of the battery increases when it grows in size. 

Thus, your selection must balance capacity with portability. It is also crucial to select a battery that is both strong and resistant to weather conditions for outdoor and challenging environment usage.

Best BLUETTI Battery Backup Options In 2025

BLUETTI is a known name for producing a wide range of portable battery backup solutions with expandability and multiple recharging options. With their high capacity and smart features, you won’t have to worry about losing power, be it during outages or outdoor activities. Here we’ve reviewed 5 best home battery backup solutions by BLUETTI in 2025, including their features, pricing, and compatibility with devices:

For Off-Grid Living/High-Capacity Energy Independence: 

BLUETTI EP800+B500 Energy Storage System

The BLUETTI EP800+B500 is an all-in-one energy storage system that combines an off-grid inverter with 7,600W of output and B500 battery packs. It’s designed to support 5 kWh of daily power consumption during outages, with customizable capacity and installation in 2 hours. In cases of extreme weather, it prioritizes charging from both the grid and solar power. 

Features:

• Power Output: Delivers 7,600W (expandable to 15,200W) with a 120V/240V backup supply.

• Power Input: Supports up to 9,000W solar input (18,000W with two units), 240V generator charging, 60Hz frequency, MPPT voltage range of 150V-500V (rated at 360V), and MPPT input current of 12.5A/25A with a short circuit current of 15A/30A.

• Dimensions: 58 kg battery with 25.0in x 12.8in x 13.3in dimensions and 48 kg inverter with 25.0in x 12.8in x 14.6in dimensions.

• Battery Capacity: LiFePO₄ B500 battery holds 4,960Wh, expandable to 19.8kWh with multiple batteries.

• Backup Time: Provides 2-day backup with 5 kWh daily consumption using one EP800 and two B500 batteries.

• UPS Battery Backup: 20 ms UPS conversion.

• Smart Features: Monitor and control via an app from anywhere. It can also track real-time power usage and offers 4 modes working modes: Backup, Self-consumption, Time of Use, and Custom.

• Energy Independence: Supports off-grid living, reducing grid reliance.

• Safety: Intelligent AI-BMS protects against overcharging, short circuits, and other damages.

• Durability: Aluminum alloy casing provides strong protection for long-lasting durability. While NEMA 4X protection offers resistance against corrosion, ice, water, and dust. 

• Cost Savings: Store low-cost electricity for use during high-cost periods (peak shaving and valley filling). Peak shaving refers to using stored electricity during expensive peak hours to reduce utility costs, while valley filling uses cheaper off-peak grid power to charge batteries.

• Compatible With: solar, grid, generators, and microinverters.

• Warranty & Certifications: 10 years of warranty with CETLUS, FCC, IC, CE, CB, and RCM certifications.

BLUETTI EP900+B500 Home Battery Backup

Ideal for homes and worksites needing high-voltage output, the BLUETTI EP900+B500 backup system offers 10-20kWh storage and up to 9,000W output.  Unlike many systems,  it can support both 120V and 240V appliances simultaneously. 

Other than grid-tied systems, it’s also compatible with off-grid power systems. So, you can sell excess energy to the grid. The EP900+B500 can operate with new or existing solar systems but can also function as a backup without solar, with a max 9 kW input. 

Features:

• Power Output (Off-Grid & Grid-Tied): Delivers 9kW (7.6kW with 2 B500) at 120V/240V, with 37.5A × 2 current, 60Hz frequency.

• Power Input: Supports up to 9kW with 1-2 MPPT channels (3,000W + 6,000W), 150V-500V input, 240V-500V recommended Voc, 12.5A/25A MPPT range, 97% efficiency.

• Dimensions: 58 kg battery with 25.0in x 12.8in x 13.3in dimensions and 48 kg inverter with 25.0in x 12.8in x 14.6in dimensions.

• Battery Capacity: LiFePO₄ B500 battery holds 4,960Wh, expandable to 39.6kWh with multiple batteries.

• UPS Battery Backup: Less than 10 ms grid-to-off-grid switching time.

• Backup Time: Provides 2-day backup with 5 kWh daily consumption using one EP900 and two B500 batteries.

• Smart Features: Monitor and control via an app from anywhere. It can also track real-time power usage.

• Energy Independence: Supports peak load shifting for cost savings on electricity bills.

• Safety: Includes anti-islanding, overcurrent, reverse polarity protection, insulation resistance detection, arcing detection, short-circuit, and over-temperature protection with shutdown capability.

• Durability: NEMA 4X and IP65 protection offer resistance against corrosion, ice, water, and dust. 

• Cost Savings: Store low-cost electricity for use during high-cost periods (peak shaving and valley filling).

• Compatible With: off-grid and grid-tied power systems, enphase IQ7 micro-inverters, 240V generators, and new and existing solar systems.

• Warranty: 10 years of warranty.

For Small Homes, RVs, and Cabins:

BLUETTI AC500+2*B300K Home Backup Power Station

The off-grid power solution consisting of BLUETTI AC500+2*B300K suits the needs of users who want to run their high-demand equipment. Each AC500 unit reaches 5,000W AC power from its modular structure, which allows compatibility with one or six B300K battery packs (each containing 2,764.8Wh) for a combined 16,588.8Wh capacity. You can even combine 2 AC500 units with up to 12 B300K batteries to get a whopping 33,177.6Wh capacity, sufficient for heavy-duty appliances.

Features:

• Power Output: Provides 5,000W AC output through multiple outlets, a pure sine wave inverter with 10,000W surge power, and various USB and DC ports, including RV and car outlets.

• Power Input: Supports up to 5,000W AC input, 3,000W solar input (0-80% in 1.5 hours), and 12/24V car charging, with a max 8,000W input when combining AC and solar. 

• Dimensions: 30 kg power station with 20.5 x 12.8 x 14.1 in dimensions and 29.5 kg battery with 20.67 x 12.87 x 8.23 in dimensions.

• Battery Capacity: LiFePO₄ B300K battery with 2,764.8Wh capacity, which is expandable to 16,588.8Wh.

• UPS Battery Backup: 24/7 uninterrupted power supply during outages.

• Smart Features: Monitor and control via an app from anywhere. It can also track real-time power usage.

• Energy Independence: Provide power for extended periods for medium-sized homes or during longer outages. 

• Compatible With: All devices, including heavy-duty appliances needing 240V output with split phase bonding.

• Warranty & Certifications: 4 years of warranty with FCC, UL, TELEC, CE, NTC, RCM, LOA, and ICASA certifications.

AC300+B300K+BLUETTI Charger 1

The BLUETTI AC300+B300K+Charger 1 home battery solution delivers 3,000W AC output with 2,764.8Wh capacity, which is expandable up to 22,118.4Wh. It can be charged with solar or off-peak grid power to cut energy costs. For more power, connect two AC300 units in parallel for 6,000W output, up to 25kWh capacity to run 240V high-energy appliances like heaters and ACs. On the go, the BLUETTI Charger 1 can charge this power station 6x faster than a standard car outlet, keeping you powered during your trip.

Features:

• Power Output: Provides 3,000W AC output, a 6,000W surge inverter, multiple USB and DC ports, an RV outlet, and dual 15W wireless charging pads.

• Power Input: Supports up to 3,000W AC (100% charging in 1.5 hours), 2,400W solar, 12/24V car charging, and a max 5,400W input when combining AC and solar. 

• Dimensions: 29.5 kg battery with 20.67 x 12.87 x 8.23in dimensions and 47.6 kg power station with 20.5in x 12.5in x 14.1in dimensions.

• Battery Capacity: LiFePO₄ B300K battery holds 4,960Wh, expandable to 22,118.4Wh with multiple batteries.

• UPS Battery Backup: Less than 20 ms grid-to-off-grid switching time.

• Smart Features: Monitor and control via an app from anywhere. It can also track real-time power usage and comes with 4 power management modes: Standard, Time Control, PV Priority, and Customized.

• Energy Independence: Supports peak load shifting for cost savings on electricity bills.

• Cost Savings: Store low-cost electricity for use during high-cost periods (peak shaving and valley filling).

• Compatible With: off-grid power systems and all 240V devices with split phase bonding.

• Warranty: 4 years of warranty with FCC, UL, TELEC, CE, NTC, RCM, and LOA ICASA certifications.

For Emergency Power Backup:

BLUETTI EP500Pro Solar Power Station

The BLUETTI EP500PRO is a 3,000W pure sine wave inverter that, when paired with a 5,100Wh battery, can power up to 15 devices at once. It can also auto-switch to backup power when the grid fails and allow firmware updates via the internet. You can also pair it up with 2,400W solar input for fast recharging and continuous use.

Features:

• Power Output: Provides 5x120V (3000W total) output. Includes dual 100W USB-C, multiple AC and USB-A ports, a 12V car outlet, a 12V RV port, DC ports, and dual wireless charging pads up to 15W.

• Power Input: Supports up to 3,000W AC input, 2,400W solar or T500 input (12-150VDC, 12A×2), and 12/24V car charging at 8.2A.

• Dimensions: 83 kg power station with 22.8x11.8x29.9in dimensions.

• Battery Capacity: LiFePO₄ 5100Wh battery.

• UPS Battery Backup: 24/7 uninterrupted power with in-grid UPS Mode & flexible UPS Mode.

• Smart Features: Monitor and control via an app from anywhere. It also features a touchscreen, a built-in dual-core microcomputer, and an Internet connection. Firmware can be upgraded through WiFi.

• Energy Independence: off-grid energy storage.

• Cost Savings: Store low-cost electricity for use during high-cost periods (peak shaving and valley filling).

• Compatible With: off-grid solar power kits.

• Warranty: 5 years warranty with UL2743, UKCA, RCM, PSE, FCC, and CE certifications.

How Do Solar Batteries Reduce Grid Dependence & Enable Off-Grid Power?

Solar batteries enable two key benefits that reduce power grid dependency and add off-grid energy capability through their following features:

1. Energy Storage: The stored solar electricity available in batteries controls home electricity consumption either in the evening or during periods with limited sunlight, thus decreasing dependency on grid power supply.

2. Increased Self-Consumption: Solar battery installations lead to homeowners consuming more solar energy produced by their systems, thus reducing both their electricity expenses and environmental impact.

3. Off-Grid Power Solutions: Solar batteries supply off-grid power solutions to independent communities, thus making them self-sufficient while eliminating their dependence on public utilities.

4. Backup Power: This function provides solar batteries with capabilities to sustain crucial home appliances throughout blackouts or natural disasters.

5. Energy Control & Independence: Users have control of using their stored energy versus grid power so they can minimize expenses and eliminate dependence on unstable electricity prices.

Final Words

As a homeowner, before you pick the best home battery backup solution, think about storage capacity, power output, cycle life, solar compatibility, as well as recharging alternatives, and safety features. The BLUETTI product range offers portable power solutions able to supply diverse devices simultaneously while improving solar consumption and reducing grid dependency. Residents benefit from two advantages when using these portable power stations: off-grid living capability and uninterrupted power supply throughout grid failures. 

For example, the BLUETTI EP800+B500 model suits homeowners who want a dependable off-grid backup system with solar power capabilities for emergencies. While the EP900+B500 suits homes and businesses looking for high-capacity energy storage that works both on and off the grid. For RVs and off-grid cabins, the AC500+2*B300K provides a modular, heavy-duty power solution. 

Outdoor enthusiasts and mobile workers will benefit from the AC300+B300K+BLUETTI Charger 1, offering fast, portable power with solar charging. Whereas the EP500Pro is perfect for households wanting an all-in-one backup system for power outages.