EcoFlow Delta 2 Max Solar Generator EFDELTA2Max-US
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• 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.
• Huge AC output - With X-Boost mode get up to 3400W output power to run 99% of home appliances. Power 15 devices at once including 6 AC outlets.
• Fastest recharging - World's fastest AC recharging and X-Stream dual AC+Solar charging speeds. Up to 1000W solar input to charge in as fast as 2.3 hours.
• Capture more energy - 99% MPPT efficiency maximizes solar generation anytime.
• Customized in-app energy management - Prioritize solar or AC charging, view input and output power, battery levels and more.
• 5-Year warranty
Specification
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 3400 W
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 1800W, 15A
AC Input Voltage
100-120V~ max. 15A 50Hz/60Hz
Solar Charging
11-60V 15A, single port 500W; dual port 1,000W
Car Charging
Support 12V/24V battery, 8A
EcoFlow WAVE & WAVE 2 & GLACIER & Smart Generator
Supported
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)
23kg
FAQs
How can I know if the product is charging?
When it’s charging, the remaining charging time will be shown on the LCD Screen. Meanwhile, the charging indicator icon begins to rotate with the remaining battery percentage and the input power shown on the right of the circle.
Does it support charging while using?
Yes, power station supports charging and discharging when charging in vehicles,portable solar panel, etc. However, when the battery of the machine is low or is about to run out, it is best not to output while connecting to DC charging (solar/vehicle charging); at this time, if the input of the power is less than or equal to the output power, the device will continue to consume power, which may result in power loss and eventually damage the battery.
How do I access EcoFlow's EU Declaration of Conformity documents?
A copy of the documents is available online at www.ecoflow.com/uk/eu-compliance
How long can the product charge my devices?
The charging time is shown on the product’s LCD Screen, which can be used to estimate the charging time of most appliances with stable power usage.
How to clean the product?
Please gently wipe it with a dry, soft, clean cloth or paper towel.
Does it support charging while using?
Yes, power station supports charging and discharging when charging in vehicles,portable solar panel, etc. However, when the battery of the machine is low or is about to run out, it is best not to output while connecting to DC charging (solar/vehicle charging); at this time, if the input of the power is less than or equal to the output power, the device will continue to consume power, which may result in power loss and eventually damage the battery.
Can I use the product when it is wet?
It is strictly forbidden to expose this product to any liquid. Do not immerse or wet this product in water. Do not use the product in rain or wet environment.
Can I take the product on an airplane?
No.
What if the product cannot be turned on?
1. Try to charge the device and then turn on the power. If charging fails, troubleshoot the problem as the power cannot be charged. 2. If there is no response after you short or long press (for 3 seconds) the main power button, contact the after-sales service team for help.
What if the product cannot be charged?
1. The charging temperature is too high. If you use high power appliances for a long time, stop using the product until the temperature drops. 2. The charging temperature is too low. Place DELTA 2 Max in a warm environment. 3. Check whether the input meets the specifications. 4. Check whether a charging limit is set. 5. In case of charging failure, try to change the charging method or charging cable.
What are recommendations for storage if the device is not used for a long time?
1. Store the product away from water, heat sources, and metal objects. 2. To extend the battery life, it is recommended to use or store the product at ambient temperature from 20°C to 30°C. 3. For long-term storage, charge and discharge the product once every 3 months (firstly discharge it to 0%, then fully charge the device, and then discharge it to 60% for long-term storage); products not charged and discharged for more than 6 months will not be covered by warranty. 4. For safety reasons, do not store this product at ambient temperature higher than 45°C or lower than –10°C for a long time. 5. If the product is critically low on power and left unused for a long time, it will enter sleep mode and will need to be recharged before you need to use it again.
Is DELTA 2 Max Extra Battery compatible with DELTA Max and DELTA 2?
The DELTA 2 Max Extra Battery is compatible with DELTA Max (2000) and DELTA 2.
Can I switch the frequency? How to switch it?
It is not recommended to switch the frequency. If required, turn on the AC power supply, press and hold the AC output switch for 10 seconds to switch the frequency. (Do not switch the AC output frequency; otherwise, it may cause failure of some appliances.)
Is it also impossible to turn off the device while charging? Will it turn on automatically if it is off after powering up?
In the off state, the product will automatically turn on after powering up. The device cannot be switched off during charging.
How to calibrate the SOC?
Fully discharge and charge the battery for one time and then recalibrate it.
What is the battery type?
LFP battery. 80% capacity remaining after 3000 cycles.
What connection methods does the APP support?
Bluetooth and Wi-Fi.
How many solar panels can be installed, and what is the solar charging power?
DELTA 2 Max has 2 solar/car charging input ports, with voltage range of 11-60V for each port, and maximum solar charging power 500W for each port. Each port can be connected to one 400W solar panel, or two 220W solar panels in series.
Can it be used with other ecosystem products?
It supports WAVE and WAVE 2 portable air conditioners, GLACIER portable refrigerator,s and Smart Generators.
Can DELTA 2 Max be used with the Extra Battery?
Up to 2 Extra Batteries can be connected. It is compatible with DELTA Max Extra Battery. It can be expanded to 6144Wh at maximum.
What are the weight and noise level?
Net weight: 23 kg. Within a range of 50 cm, the noise level is 30 dB when the input or output power is below 500W.
What is the capacity of the product?
2048Wh.
Warranty
EcoFlow Warranty Policy
Manufactures, suppliers, or publishers other than support@ecoflow.com, may provide their own warranties to you. Please contact them for further information.
Please note that the warranty period may vary according to local laws and regulations. Some countries, states, and provinces do not allow limitations on how long an implied warranty may last, so the limitation described above may not apply to you. You may have other rights from state to state, province, or country.
DO NOT USE YOUR PRODUCTS UNTIL YOU HAVE READ THE TERMS OF THE WARRANTY.
All EcoFlow products purchased on ecoflow.com come with a limited warranty, as shown below. BY USING ECOFLOW PRODUCTS, YOU AGREE TO BE BOUND BY THE TERMS OF THE ECOFLOW LIMITED WARRANTY.
We provide a limited warranty for purchases on ecoflow.com. The warranty period started when the original purchaser received the products.
Exclusions and Limitations
This warranty does not apply:
· Non-quality related issues;
· Items purchased from unauthorized resellers;
· Purchases without valid proof of purchase;
· Items that have been refunded;
· Items that have expired their warranty period;
· Any defects or damages caused by misuse of products, unauthorized modification, dis-assembly or operation not in accordance with the official instructions or manuals;
· Any defects or damages caused by exposure to excessive heat, liquids or other external causes;
· Any defects or damages caused by reliability or compatibility issues when using unauthorized third-party parts;
· Lost or stolen products;
· Free products.
Warranty Timeline
| Item | Warranty Period (refer to months, unless specified) |
|---|---|
| DELTA Max (1600/2000) DELTA Max Smart Extra Battery |
24+12 (Registration for warranty extension) |
| DELTA Pro DELTA Pro Smart Extra Battery |
24+36 (Registration for warranty extension) |
| RIVER mini RIVER RIVER Max RIVER Max Plus RIVER Pro RIVER Extra Battery RIVER Pro Extra Battery DELTA mini DELTA Smart Generator (Dual Fuel) |
24 |
| 400W 220W 160W 110W 85w （Discontinued） |
12 |
| 400W Rigid Solar Panel | 10 years |
| 100W Rigid Solar Panel |
60 |
| 100W Flexible Solar Panel | 36 |
| Wave Portable Air Conditioner Wave Add-On Battery |
12 |
| Accessories | 12 |
| Smart Generator | 12 |
| Power Hub Power Kits Console 2kWh/5kWh LFP Battery RIVER 2 RIVER 2 Max RIVER 2 Pro DELTA 2 DELTA 2 Max DELTA 2 Extra Battery |
5 years |
| R600/R600 Max/R600 Pro/EF-1500* | 36 |
| BLADE | 36+12 (Registration for warranty extension) |
| GLACIER | 12+12 (Registration for warranty extension) |
| WAVE 2 | 12+12 (Registration for warranty extension) |
| WAVE 2 Add-on Battery | 24 |
| DELTA Pro Ultra Battery | 5 Years |
| DELTA Pro Ultra Inverter | 5 Years |