Expandable Capacity. Increase the capacity of DELTA 2 Max with an extra 2048Wh. Triple the Power. 2-6kWh expandable capacity to fit your energy storage needs. Add up to two DELTA 2 Max Smart Extra Batteries to hit a capacity of 6144Wh. Ideal for home backup, RVing, outdoors or even everyday use .
Why Choose EF ECOFLOW DELTA 2 Max Smart Extra Battery?
Built to Last 6× Longer. Get 10 years of daily use until hitting 80% of its original capacity. That's down to its LFP battery chemistry giving you 3000+ cycles. No fumes. No noise. No maintenance. Solar generators don't burn fossil fuel, so with zero emissions or fumes, they're a clean replacement for gas generators. Unlike gas generators, there's no fuel to refill, filters to clean, or moving parts to break .
Key Features
- Expandable Capacity - Increase the capacity of DELTA 2 Max with an extra 2048Wh. Triple the Power. 2-6kWh expandable capacity to fit your energy storage needs. Add up to two DELTA 2 Max Smart Extra Batteries to hit a capacity of 6144Wh. Ideal for home backup, RVing, outdoors, or everyday use .
- Built to Last 6× Longer - Get 10 years of daily use until hitting 80% of its original capacity. LFP battery chemistry giving you 3000+ cycles .
- No Fumes, No Noise, No Maintenance - Solar generators don't burn fossil fuel, so with zero emissions or fumes, they're a clean replacement for gas generators. Unlike gas generators, there's no fuel to refill, filters to clean, or moving parts to break .
- Use Safely Indoors - Outdoors is the only safe place to operate a portable gas generator, keeping your family safe from toxic carbon monoxide. Since it doesn't emit any fumes you can use a solar generator anywhere, inside or out .
- Quiet Operation - Without internal combustion engines, solar generators are extremely quiet. From a distance of approximately 20 inches, the noise level of a DELTA 2 Max solar generator (low input and output of around 500W) is only 30 dB, versus others with a volume of 45 dB or higher .
- Compatible With Multiple Units - Compatible with DELTA 2, DELTA Max 2000, and DELTA 2 Max Outdoor Generators .
What's Included
Complete extra battery kit including EcoFlow DELTA 2 Max Smart Extra Battery, Extra Battery Cable, User Manual, and Warranty Card. Note: Main power station sold separately .
Specifications
| Specification | Details |
|---|---|
| Brand | EF ECOFLOW |
| Manufacturer | EcoFlow |
| Model Number | EFD350 |
| Manufacturer Part Number | EFD350 |
| UPC | 842783131614 |
| Color | Black/Grey |
| Battery Type | LiFePO4 (LFP) |
| Capacity | 2048Wh |
| Life Cycles | 3000+ cycles to 80% capacity (10+ years) |
| Output Port | 51.2V, 60A Max |
| Input Port | 51.2V, 60A Max |
| Compatible With | DELTA 2, DELTA Max 2000, DELTA 2 Max |
| Operating Temperature | — |
| Product Dimensions (L x W x H) | 11" x 9" x 18" |
| Item Weight | 42 lbs |
| Warranty | 1 Year Manufacturer |
