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EF ECOFLOW DELTA Pro 3 Smart Extra Battery – 4,096Wh LiFePO4 Expansion Battery with 11-Year Lifespan – EFD521-EB
Original price was: $2,599.00.$1,819.30Current price is: $1,819.30.
Description
Pair for additional needs. The rated capacity of one battery is 4kWh. The capacity can be expanded up to 48kWh by connecting additional DELTA Pro 3 units or extra batteries in parallel. It also accommodates charging via a gas generator for both the main product and extra batteries, allowing for an expansion up to a maximum capacity of 48kWh .
Why Choose EF ECOFLOW DELTA Pro 3 Smart Extra Battery?
Reliable power endurance. DELTA Pro 3 supports LFP battery which provides 4000 cycles till it lowers to 80% capacity. That’s almost 11 years of regular use. Every battery houses an integrated BMS module to regulate its voltage, current, and temperature, keeping it safe, secure, and long-lasting .
Key Features
- Pair for Additional Needs – Rated capacity of one battery is 4kWh. Capacity can be expanded up to 48kWh by connecting additional DELTA Pro 3 units or extra batteries in parallel. Accommodates charging via a gas generator for both the main product and extra batteries .
- Reliable Power Endurance – LFP battery provides 4000 cycles till it lowers to 80% capacity. Almost 11 years of regular use. Every battery houses an integrated BMS module to regulate voltage, current, and temperature .
- Energize Almost Everything – Supports 120V/240V voltage with 4000W output (6000W with X-Boost, scalable up to 12000W). Powers nearly all essential home appliances, such as a 3-ton central AC or a 1 HP water pump .
- Forget Refueling – 4096Wh LFP battery capacity, expandable to 48kWh with extra batteries or smart generators. Provides 2-4 days of whole-home backup power. 7 unique and 18 combo charging methods .
- Explore the Secure Feeling – Automotive-grade LFP cells and IP65-rated CTC battery pack technology. Safeguards battery health and extends lifespan. 5-year warranty and exceptional customer service .
- Plug and Play – Smart extra batteries are easy to connect with the main unit of EcoFlow DELTA Pro 3. Seamless, plug-and-play setup. Compact and portable design adds convenience to your power management .
- Boosts Portability – Wider wheels, ergonomic handle, and a compact design .
What’s Included
Complete extra battery kit including EcoFlow DELTA Pro 3 Smart Extra Battery, Quick Start Guide, Safety Guide, Warranty Card, and EcoFlow Extra Battery Cable .
Specifications
| Specification | Details |
|---|---|
| Brand | EF ECOFLOW |
| Manufacturer | EcoFlow |
| Model Number | EFD521-EB |
| Manufacturer Part Number | EFD521-EB |
| UPC | 842783143013 |
| Color | Black |
| Battery Type | LiFePO4 (LFP) |
| Capacity | 4096Wh (80Ah) |
| Nominal Voltage | 51.2V |
| Life Cycles | 4000+ cycles to 80% capacity (11+ years) |
| Output Port | 40V-58.4V = 100A Max |
| Input Port | 40V-58.4V = 80A Max |
| Compatible With | EcoFlow DELTA Pro 3 |
| Charge Temperature | 0°C ~ 45°C |
| Discharge Temperature | -10°C ~ 45°C |
| Storage Temperature | -10°C ~ 45°C |
| Display | LED Array |
| Protection Class | IP20 (Internal Package: IP65) |
| Product Dimensions (L x W x H) | 8.49″ x 11.61″ x 27.34″ (215.5 x 295 x 691.8 mm) |
| Item Weight | 72 lbs (33 kg) |
| Warranty | 5 Year Manufacturer |
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