EcoFlow · Batteries
EcoFlow DELTA Max Extra Battery (2016 Wh)
$1,158.99Works with
DELTA Max / DELTA 2 / DELTA 2 Max
Adds 2,016 Wh of capacity per module (up to 6,048 Wh with two units on DELTA Max). Features a front LCD screen, direct Smart Generator DC fast-charging support, and includes the XT150 Extra Battery Cable.
Use
What it adds
The EcoFlow DELTA Max Smart Extra Battery adds 2,016 Wh of capacity to the DELTA Max, DELTA 2 Max, or DELTA 2 portable power stations, scaling a single DELTA Max up to 6,048 Wh with two connected units.
It features a bright front LCD screen for live battery status and can be recharged either through the host power station (AC, solar, or car) or directly from the EcoFlow Smart Generator during prolonged grid outages.
Compatibility
Product details
- Brand
- EcoFlow
- Category
- Batteries
- Compatible with
- DELTA Max / DELTA 2 / DELTA 2 Max
- Weight
- 39.7 lb / 18 kg
- Dimensions
- 18.3 × 9.3 × 11.1 in (464 × 235 × 283 mm)
- Model
- EFD310-EB
- Capacity
- 2,016 Wh (50.4V)
- Cell chemistry
- NCM Lithium-ion
- Cycle life
- 800 cycles to 80%+ capacity
- Extra battery port input
- 50.4V DC, 1,800W Max
- Extra battery port output
- 50.4V DC, 2,000W Max
- Charge temperature
- 0°C to 45°C (32°F to 113°F)
- Discharge temperature
- -20°C to 45°C (-4°F to 113°F)
In action
Reference setups & real-world use
Home Kitchen & Refrigerator Outage Backup
All-charcoal EcoFlow DELTA Max Smart Extra Battery (EFD310-EB) connected to DELTA Max via the XT150 cable to add 2,016 Wh of emergency storage for refrigerators and kitchen appliances.
6,048 Wh Dual-Battery Utility Room Stack
Two 2,016 Wh DELTA Max Smart Extra Battery modules daisy-chained to DELTA Max via XT150 cables for 6,048 Wh of home emergency backup.
Highlights
Why it's worth it
- 2,016 Wh expansion module compatible with DELTA Max, DELTA 2 Max, and DELTA 2
- Connect up to two modules to a DELTA Max for up to 6,048 Wh of home emergency backup
- Supports direct DC recharging from the EcoFlow Smart Generator (up to 1,800W DC)
- Front LCD display reports real-time input, output, charge level, and runtime estimates
- Includes the XT150 Extra Battery Cable for immediate connection to the host station
In the box
What's included
- EcoFlow DELTA Max Smart Extra Battery (2,016 Wh)
- DELTA Max Extra Battery Cable (XT150)
- User Manual
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