AC Charging

The EcoFlow DELTA Max is a high-capacity portable power station designed to deliver dependable energy for home backup, outdoor living, and emergency preparedness. With a base capacity of 2kWh, expandable up to 6kWh using Smart Extra Batteries, DELTA Max powers essential appliances like refrigerators, lights, medical equipment, and more—making it a versatile solution for any power outage or off-grid scenario.
2400W AC Output (Surge up to 5000W)
X-Boost Technology supports devices up to 3400W, allowing you to run high-wattage appliances such as dryers, air conditioners, and ovens without overloading.
Power 99% of home appliances with ease, from kitchen electronics to heavy-duty tools.
Start with 2kWh and scale up to 6kWh using EcoFlow Smart Extra Batteries (sold separately). Ideal for multi-day outages or extended off-grid use, this flexibility allows you to tailor your power storage to your specific energy needs.
AC Charging: 0–80% in just 65 minutes using EcoFlow’s patented X-Stream technology
Dual Charging: Combine AC + Smart Generator for up to 3400W input, or AC + Solar for 2600W total
Solar Charging: Up to 800W solar input with support for EcoFlow and third-party panels (11–100V range)
Car Charging: Stay charged during road trips or remote adventures
Smart Generator Integration: Automatically recharges DELTA Max when battery levels are low, and shuts off when full, providing fuel-efficient backup power during extended outages
Connect up to two 400W solar panels to harness up to 800W of renewable energy. The built-in MPPT (Maximum Power Point Tracking) system maximizes efficiency, ensuring optimal solar conversion even in cloudy or changing light conditions.
EcoFlow App Control: Monitor battery levels, charging speeds, input/output power, and overall performance in real-time
Customize power settings, charging schedules, and Smart Generator auto-start thresholds from anywhere via smartphone
Li-ion Battery with Intelligent BMS (Battery Management System)
Constantly monitors voltage, temperature, and current to maintain long-term battery health and optimal performance
Designed for safety, durability, and reliable operation in any environment
Plug-and-play compatibility with your home’s circuits via a Transfer Switch and Power Cord (sold separately) lets you power critical systems quickly and easily during outages—no professional installation required.
Capacity: 2kWh (expandable to 6kWh)
Output: 2400W AC (3400W with X-Boost)
Charging Speed: 0–80% in 65 minutes (AC)
Solar Input: Up to 800W (11–100V)
Device Support: Powers 99% of household appliances
Connectivity: Remote monitoring and control via EcoFlow app
Backup Ready: Seamless Smart Generator integration
Safety: Intelligent BMS and temperature control
Warranty: Manufacturer-backed reliability
Home backup and blackout protection
Off-grid living and van life
RVs, road trips, and camping
Emergency preparedness and remote job sites
Charge DELTA Max through multiple power sources:
Solar Charging
AC Charging
Solar Generator
Car Charger
Capacity: 2016Wh
Expandable Storage: Up to 6kWh with Smart Extra Batteries
AC Output: 6 outlets, 2400W total (Surge 5000W)
Max Device Power (X-Boost): 3400W
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 per port
USB-C Output: 2 ports, 5/9/12/15/20V, 5A, 100W Max per port
Car Power Output: 12.6V, 10A, 126W Max
DC5521 Output: 2 ports, 12.6V, 3A, 38W Max per port
AC Charging Input: 1800W Max, 15A
Solar Charging Input: 800W Max, 11-100V, 13A
Car Charging Input: Supports 12V/24V battery, 8A
Battery Chemistry: NCM (Nickel Cobalt Manganese)
Cycle Life: 800 cycles to 80% capacity
Connectivity: Wi-Fi
Net Weight: Approx. 48 lbs
Dimensions: 19.6 × 9.5 × 12 inches
At King of Generators, we are committed to ensuring you have a seamless experience with your purchase. Below is an overview of the EcoFlow warranty policy to help you understand coverage and how to make a warranty claim through King of Generators support.
EcoFlow provides a limited warranty on its products, starting from the date of purchase. The warranty period varies by product type:
For detailed coverage, refer to the product-specific warranty on EcoFlow’s official website or contact King of Generators support.
The warranty does not cover:
Note: EcoFlow products are designed for use in the U.S. Warranty claims for malfunctions due to use outside the country may not be covered.
If you experience any issues, please contact King of Generators support to initiate a warranty claim.
📞 Phone: (855) 799-2943
📧 Email: info@kinggenerators.com
Our team will assist you with the claim process, including verifying your purchase, troubleshooting the issue, and coordinating with EcoFlow for repair or replacement.
Once approved, we will provide further instructions, including shipping details and estimated resolution time.
For any questions regarding warranty coverage, feel free to contact King of Generators support. We're here to help!