Delta 2 Max Specs
Capacity
2048Wh
Extra Battery
Supports up to two DELTA 2 Max Smart Extra Batteries / DELTA Max Smart Extra Battery
AC Output
6 outlets, 2400W total (Surge 4800W)
Max Device(s) Power (with X-Boost)
X-Boost 3100W
USB-A Output
2 ports, 5V, 2.4A, 12W Max per port
USB-A Fast Charge
2 ports, 5V, 2.4A / 9V, 2A / 12V, 1.5A, 18W Max
USB-C Output
2 ports, 5/9/12/15/20V, 5A, 100W Max per port
Car Power Output
1 port, 12.6V, 10A, 126W Max
DC5521 Output
2 ports, 12.6V, 3A, 38W Max per port
AC Charging
X-Stream Fast Charge 2300W, 10A
AC Input Voltage
2 ports, 5V, 2.4A, 12W Max per port
Solar Charging
11-60V 15A, single port 500W; dual port 1,000W
Car Charging
Support 12V/24V battery, 8A
Battery Chemistry
LFP (LiFePO4 battery)
Cycle Life
3000 cycles to 80+% capacity
Connectivity
Wi-Fi & Bluetooth
Dimensions
497 × 242 × 305 mm /19.6 × 9.5 × 12 in
Net weight (lbs)
50 lbs
Net weight (kg)
23 kg
Alternator Specs
Model: EF-FC-301-1
Net Weight: 5.1 lb (2.3 kg)
Dimensions (W × D × H)
9.5×7.6×1.4 in
(242×194×35 mm)
Wi-Fi:
Frequency: 2412MHz-2472MHz
Maximum output power: <20dBm
Bluetooth
Frequency: 2402MHz-2480MHz
Maximum output power: <10dBm
Charging Mode
Input: 11V-31V, 76A Max.
Output: 40V-60V, 800W Max.
Battery Maintenance Mode
Input: 40V-60V, 3A Max.
Output: 13.8V/27.6V, 100W Max.
Reverse Charging Mode
Input: 40V-60V, 21A Max.
Output: 13.8V/27.6V, 800W Max.
Fuse’s Rated Current: 125A
Protection Type
Reverse polarity protection
Overcurrent protection
Short circuit protection
Overvoltage protection
Undervoltage protection
Operating Temperature
–4℉ to 140℉ (–20℃ to 60℃)
Storage Temperature
–22℉ to 158℉ (–30℃ to 70℃)
Operating Humidity
≤95%
Storage Humidity
≤95%
Terms and Conditions:
¹The 800W refers to the speed under full power charging. The charging power is related to the car generator’s current and operating condition.
²For the installation of the Alternator Charger, please refer to the video or illustrated installation guide provided by EcoFlow. We recommend that the wiring process be completed by a professional. Before use, please review the installation video or illustrations to ensure correct usage after full understanding. Incorrect operation of this product could result in injury or product damage and property loss. By using this product, you are deemed to have understood, acknowledged, and accepted all terms and content of this document. EcoFlow does not assume any liability for losses caused by failure to use the product according to the guidelines. Subject to compliance with laws and regulations, our company reserves the final interpretation rights for this product.
What’s in the box

EcoFlow DELTA 2 Max + 800W Alternator Charger


