Looking for a powerful, solar-ready energy storage system to back up your entire home? The BLUETTI EP800 + B500 bundle is built for homeowners who want energy independence, grid resiliency, and long-lasting lithium power—without relying on gas generators.
Based on product specs, customer feedback, and BLUETTI’s growing reputation in the residential energy market, this guide walks you through everything you need to know before buying.
Product Specifications
| Feature | Specification |
|---|---|
| Inverter Output | 7600W (Split-phase, 120V/240V) |
| Battery Capacity | Expandable from 9.9kWh to 39.6kWh (with up to 4× B500 packs) |
| Battery Type | LiFePO4 (LFP), 3500+ cycles to 80% |
| Solar Input | Up to 9000W |
| Grid Input | Yes (AC charging and grid tie-in supported) |
| Weight | EP800: 214.3 lbs / B500: 126.8 lbs |
| Weather Rating | IP65 (indoor/outdoor installation) |
| Connectivity | Wi-Fi, Bluetooth, BLUETTI App compatible |
Performance
The BLUETTI EP800 system delivers true whole-home backup with a 7600W inverter capable of handling heavy-duty loads like HVAC systems, well pumps, and electric ranges. With split-phase output (120V/240V), it’s ideal for U.S. homes needing both high and low voltage options.
Key performance highlights:
- Supports surge loads and essential circuits simultaneously
- Seamless switchover during grid outages
- Intelligent power management via app or panel
Battery & Specs
BLUETTI EP800+B500 Home Battery Backup
from: BLUETTI US
Each B500 expansion battery holds 4.96kWh of energy using ultra-safe LiFePO4 chemistry, known for long cycle life and thermal stability. The system scales easily:
- Minimum setup: 1× EP800 + 2× B500 = 9.9kWh
- Max capacity: 1× EP800 + 4× B500 = 19.8kWh
- Dual EP800 units supported for up to 39.6kWh total
Cycle life is rated at over 3500 cycles to 80%, translating to around 10+ years of use with daily cycling.
Portability & Design
This is a permanent or semi-permanent installation—not a portable solar generator. The sleek, wall-mountable EP800 and floor-standing B500s are designed for:
- Garage or utility room installs
- Outdoor placement (IP65 water- and dust-resistant)
- Modular layout to save space
Despite the system’s large capacity, it has a modern, compact footprint that blends well into most home utility areas.
Charging Options
One of the strongest features of the BLUETTI EP800 + B500 is its solar-first design. It supports:
- Up to 9000W of solar input (fully recharges in just a few hours)
- AC grid charging when solar isn’t available
- Optional integration into existing rooftop arrays or new off-grid setups
This makes it ideal for both on-grid and off-grid solar homes.
Price & Value
The BLUETTI EP800 + B500 isn’t cheap—but it’s extremely competitive compared to traditional whole-home backup solutions like Tesla Powerwall or Generac systems.
Approximate pricing (subject to promotions):
- Starter Bundle (EP800 + 2× B500): $8,999 – $11,000
- Maxed Out (EP800 + 4× B500): $15,000+
No subscription, fuel, or maintenance costs make this a one-time investment in energy security.
Ideal Use Cases
This system is built for:
- Homeowners seeking grid independence
- Off-grid homes or cabins
- Solar owners looking to store excess energy
- Backup during storms, blackouts, or grid instability
If you’re in a region with frequent power outages or planning a full solar + storage setup, the EP800 system delivers future-proof power.
Pros and Cons
Pros:
- Massive inverter output (7600W split-phase)
- Expandable battery up to 39.6kWh
- IP65-rated for indoor or outdoor install
- Compatible with high-wattage solar input (up to 9000W)
- Long-lasting LiFePO4 chemistry
Cons:
- Not portable or plug-and-play
- Requires professional installation
- High upfront cost (though lower than competitors)
Final Verdict
The BLUETTI EP800 + B500 is one of the most compelling residential energy storage systems available today. It delivers whole-home backup, serious solar integration, and long battery life in a sleek, modular setup. Ideal for off-grid homes, solar households, and anyone tired of grid instability, this system balances premium performance with long-term value.
FAQs
Can I install the EP800 myself?
BLUETTI recommends hiring a certified electrician or installer, especially for split-phase connections and code compliance.
Does the system work without solar panels?
Yes. It can charge from the grid or act as a backup-only system. However, pairing with solar maximizes its value.
Is the EP800 eligible for the federal solar tax credit?
Yes, when paired with solar, it may qualify for the 30% Federal Investment Tax Credit (ITC). Consult a tax advisor.
How many appliances can it power during an outage?
It depends on your energy usage. With 9.9–39.6kWh of storage and 7600W output, it can easily run essentials or entire homes.
Let me know if you’d like this reformatted for a specific number of B500 units (like 2 vs. 4), or if you’re adding it to a comparison post like [Link to: Best Whole-Home Solar Battery Systems].