DELTA 3 Max Plus
Powerful Portable Energy for Home and Beyond
The EcoFlow DELTA 3 Max Plus is a high-capacity portable power station designed to provide dependable electrical power for the home, outdoor adventures, mobile working and emergency backup. Combining a 2,048Wh battery capacity with a powerful 3,000W AC output, it is designed to handle everything from everyday electronics and appliances to more demanding equipment. Its 6,000W surge capability and X-Boost 3.0 technology further extend its versatility, allowing compatible devices requiring up to 3,900W to be powered from a single portable unit.
With its combination of substantial energy storage, multiple charging options and intelligent power management, the DELTA 3 Max Plus provides a flexible alternative to conventional mains power. It can be used as a reliable backup during power cuts, a portable source of electricity for camping and caravanning, or as an adaptable power solution for workshops, garages and other locations where mains electricity is unavailable.
2,048Wh Capacity and 3,000W Output
At the heart of the DELTA 3 Max Plus is a 2,048Wh battery, providing substantial stored energy for powering household appliances, entertainment equipment, communications devices and other electrical equipment. Its 3,000W continuous AC output gives it the capability to operate several demanding appliances simultaneously, while the 6,000W surge output provides additional headroom for equipment with higher start-up power requirements.
EcoFlow's X-Boost 3.0 technology allows the DELTA 3 Max Plus to support compatible devices with power requirements of up to 3,900W. The system uses a high-precision DSP chip to monitor AC voltage and current at extremely short intervals, helping to maintain a stable pure sine wave output suitable for a wide range of electrical and electronic equipment.
Intelligent Power Management
The DELTA 3 Max Plus goes beyond simply storing and supplying electricity, with intelligent controls designed to make stored energy work more efficiently. Smart Output Priority technology allows users to determine which connected outputs should remain powered, helping to concentrate available battery capacity on essential equipment such as a refrigerator, lighting or Wi-Fi equipment.
Smart Power Reserve provides another layer of control during power outages. Through the EcoFlow app, users can establish a preferred battery reserve and configure the system to automatically reduce power supplied to less important loads when necessary. This can help preserve energy for critical appliances and extend useful runtime when mains electricity is unavailable.
Fast and Flexible Charging
The DELTA 3 Max Plus offers five different ways to replenish its battery, making it suitable for both fixed and mobile applications. AC charging provides up to 2,300W of input power, allowing the unit to reach 80% charge in approximately 47 minutes under optimal conditions using EcoFlow X-Stream technology. This rapid charging capability makes it practical to restore a substantial amount of stored energy in a relatively short period.
Solar charging provides up to 1,000W of input and can replenish the battery from 0 to 80% in approximately 96 minutes under the specified conditions. For mobile applications, the DELTA 3 Max Plus can also accept up to 1,000W through a compatible alternator charger, while generator charging supports up to 2,400W. Solar and alternator charging can also be combined for faster replenishment when travelling or operating away from the mains.
EcoFlow's Storm Guard Mode can further enhance emergency preparedness by monitoring severe weather alerts and automatically initiating AC charging remotely, helping ensure that the battery has sufficient stored energy when adverse weather could result in a power interruption.
Long-Lasting LFP Battery Technology
The DELTA 3 Max Plus uses LFP battery chemistry with automotive-grade full-tab LFP cells. The full-tab construction is designed to reduce internal resistance, improve efficiency and control heat generation, helping contribute to a longer-lasting and more stable battery system. EcoFlow also employs a 16-cell configuration with fewer cells per kWh than the previous cell design, alongside individual cell testing for capacity, voltage and internal resistance.
An intelligent battery management system provides continuous protection and monitoring, helping safeguard the battery against issues such as overcharging, cell imbalance and premature wear. EcoFlow estimates a lifespan of approximately 10 years when the DELTA 3 Max Plus is used correctly, although actual battery life will vary according to usage and operating conditions.
Expandable Energy Storage
For applications requiring more stored energy, the DELTA 3 Max Plus can be expanded beyond its standard 2,048Wh capacity. The unit features an extra battery connection and can support compatible additional batteries, allowing total capacity to reach up to 10kWh. Compatible options include the DELTA 2 Max, DELTA 3 Max Plus, DELTA Pro 3 and DELTA 3 Extra Battery, subject to the applicable connection and expansion requirements.
This scalability allows the DELTA 3 Max Plus to adapt to different requirements. A single unit can provide portable power for shorter periods, while additional battery capacity can extend operation for longer outages or more demanding off-grid applications.
Comprehensive Connectivity
The DELTA 3 Max Plus provides 10 output ports, including four AC outlets, allowing multiple devices to be powered at the same time. USB connectivity includes a USB-A output rated at up to 18W, alongside USB-C connectivity with one port capable of up to 140W and two additional USB-C outputs providing up to 45W in total. This makes it suitable for charging a broad range of modern personal electronics, including laptops, tablets, smartphones and other USB-powered equipment.
For 12V equipment, the DELTA 3 Max Plus provides up to 378W of DC output. Its connections include a 12.6V 10A car power output and a 12.6V 30A Anderson output, providing greater flexibility for compatible mobile, automotive and recreational equipment.
UPS Protection for Essential Equipment
The DELTA 3 Max Plus can also serve as an uninterruptible power supply, switching to battery power in approximately 10ms when mains electricity is interrupted. This makes it particularly useful for maintaining power to essential equipment such as networking hardware, communications devices and other electronics during short power interruptions. Its HID support provides additional compatibility with supported connected equipment.
Smart App Control
Wi-Fi and Bluetooth connectivity allow the DELTA 3 Max Plus to be monitored and controlled through the EcoFlow app. The app provides access to information about battery status and energy usage, while also supporting intelligent energy management and remote control functions. Users can monitor power consumption, solar generation and other energy information from a central dashboard, helping them understand how stored energy is being used.
The connected features also allow charging and energy management to be incorporated into a wider routine. For example, automated tasks can be configured to charge during lower-cost periods and discharge stored energy at other times, potentially helping users make more efficient use of their stored electricity.
Portable Design for Multiple Environments
Despite its substantial power capabilities, the DELTA 3 Max Plus is designed as a portable power station that can be used in a variety of environments. Its silver chassis measures 494mm x 242mm x 305mm and weighs approximately 22.1kg. The relatively compact enclosure allows it to be positioned in a home, garage, office, caravan or other suitable location while remaining portable enough for mobile applications.
Its versatility makes it suitable for a broad range of uses, from providing emergency household backup to powering equipment during camping trips, caravanning, outdoor events and remote working. The combination of high output power, substantial battery capacity and multiple charging methods means it can provide a dependable source of electricity wherever access to conventional mains power is limited.
Reliable Power When It Matters
The EcoFlow DELTA 3 Max Plus brings together high-capacity energy storage, powerful AC output, rapid charging and intelligent energy management in a single portable system. Its 2,048Wh LFP battery provides a substantial foundation for everyday and emergency power requirements, while 3,000W continuous output, 6,000W surge capability and X-Boost 3.0 provide the flexibility needed for more demanding equipment.
With expandable storage, solar compatibility, alternator and generator charging, UPS functionality, app control and a comprehensive selection of outputs, the DELTA 3 Max Plus is designed to provide dependable portable energy across a wide range of applications. Whether used as a backup power source at home or as an independent energy solution away from the mains, it combines substantial capacity with the flexibility and control needed for modern portable power.