The Panasonic Evervolt Home Battery stands out as a flexible, modular energy storage solution designed to cater to a variety of energy needs. Known for its high performance and adaptable design, the Evervolt works seamlessly with both solar-powered and non-solar households. Offering scalable capacity through multiple configurations, the Evervolt supports AC- and DC-coupled installations, providing energy flexibility that aligns with evolving home requirements. Let’s dive into the features, specifications, and performance to determine if it’s the right choice for your home.
Key Features
The Panasonic Evervolt Home Battery has several features that set it apart, designed for effective and versatile home energy storage.
- Modular Design with Multiple Capacity Options
The Evervolt’s modular design allows users to choose from three distinct capacity modules—9 kWh, 13.5 kWh, and 18 kWh—based on their current energy needs. Users can also add up to four units, allowing for a maximum of 72 kWh. Each module has unique advantages, catering to different household sizes and energy demands. The 9 kWh module suits smaller households for essential backup, the 13.5 kWh module balances cost and capacity, and the 18 kWh module provides extended support for larger homes or off-grid functionality. - Hybrid Inverter for AC- and DC-Coupled Installations
With a hybrid inverter, the Evervolt is compatible with both AC and DC setups, ensuring easy integration with existing solar systems. This versatility makes it compatible with most household configurations and suitable for use without a solar setup. - Standalone Operation
Ideal for solar homes, the Evervolt also functions independently of solar panels, providing reliable energy backup even in homes that haven’t adopted solar power yet.
Specifications Overview
Here’s an overview of the technical specifications of the Panasonic Evervolt Home Battery.
| Specification | Description |
| Usable Capacity | 9 kWh, 13.5 kWh, or 18 kWh |
| Maximum Units | Up to 4 units (total of 72 kWh) |
| Round-trip Efficiency | 89% (AC-coupled) / 94% (DC-coupled) |
| Depth of Discharge | 90% |
| Continuous Power Output | 7.6 kW (off-grid with solar) |
| Battery Chemistry | Lithium Iron Phosphate (LFP) |
| Warranty | 12 years (labor included) |
Usable Capacity and Scalability
The Evervolt’s three modular options—9 kWh, 13.5 kWh, and 18 kWh—allow homeowners to select an appropriate starting capacity and add up to a total of 72 kWh as needs grow. Each module size caters to different energy usage profiles, from basic backup to extended energy support.
Round-trip Efficiency
The 89% efficiency in AC-coupled setups and 94% in DC-coupled installations enable optimal energy storage and retrieval, especially important for households with high electricity demands.
Depth of Discharge (DoD)
With a DoD of 90%, the Evervolt allows substantial energy usage without impacting battery health, maximizing its usability between charges.
Performance and Efficiency
The Panasonic Evervolt’s round-trip efficiency ratings—89% (AC-coupled) and 94% (DC-coupled)—rank among the best, allowing users to store and use energy more effectively. This efficiency is further supported by its depth of discharge rating of 90%, allowing users to access a large portion of the battery’s capacity without affecting its lifespan. Real-world scenarios demonstrate that the Evervolt’s consistent performance in various applications, including off-grid use during power outages, can sustain household essentials like lights, Wi-Fi, and refrigerators for hours.
Installation Process
Installing the Panasonic Evervolt is straightforward due to its modular design and compatibility with AC- and DC-coupled setups. Homeowners with existing solar systems will find the hybrid inverter integration easy, and the option to expand the system simplifies future upgrades as energy needs change.
Warranty and Longevity
The Panasonic Evervolt Home Battery comes with a 12-year warranty, which includes labor costs—an added benefit as not all warranties cover installation. This extended warranty and low annual degradation rate ensure long-lasting performance, supporting energy stability over many years.
Cost Considerations
The Panasonic Evervolt Home Battery typically ranges from $15,000 to $20,000, depending on configuration and installation costs. Though it has a higher initial cost, the efficiency, capacity, and potential savings in electricity bills can offer long-term value. In areas with high electricity rates, the Evervolt can help reduce utility costs over time.
For a better understanding of average electricity bills in California, read our blog on Average Electric Bills in California.
Pros and Cons
Pros
- Modular design with flexible capacity options
- Comprehensive warranty with labor included
- High efficiency for energy savings
- Compatible with both AC and DC setups
Cons
- Lower depth of discharge than some competitors
- Limited customer support options
- Higher upfront cost
The Evervolt’s modularity and flexibility are major advantages, but its initial cost and slightly lower depth of discharge may be drawbacks for some users.
User Experiences
User feedback on the Panasonic Evervolt Home Battery highlights its reliability, performance, and ease of use. A satisfied customer noted, “The Evervolt has transformed our energy management, and the flexibility to add more units in the future is a huge plus.” However, some users mentioned that Panasonic’s customer support could improve, especially in terms of response times for technical inquiries.
Conclusion
The Panasonic Evervolt Home Battery offers a robust, flexible solution for residential energy storage, whether or not the home has solar power. With its modular design, hybrid inverter compatibility, and high efficiency, the Evervolt meets the needs of a variety of households. While the initial investment is high, the potential savings, coupled with Panasonic’s 12-year warranty, make it a worthwhile option for homeowners aiming to enhance their energy independence.
