DELTA 3 1500
Reliable Portable Power for Everyday Use and Emergencies
The EcoFlow DELTA 3 1500 is a versatile portable power station designed to provide dependable electricity at home, outdoors or on the move. With a substantial 1,536Wh LFP battery, 1,800W continuous AC output and 3,600W surge capability, it provides a practical source of power for everyday appliances, electronics, recreational equipment and essential devices during a mains power interruption. EcoFlow's X-Boost technology further increases its flexibility, allowing compatible high-power appliances rated up to 2,400W to be operated from the power station.
The DELTA 3 1500 combines this substantial energy capacity with a compact and portable design. Measuring 400mm x 212mm x 282mm and weighing no more than 16.5kg, it is designed to be considerably easier to transport than larger high-capacity power stations. Its silver finish and compact enclosure make it suitable for use around the home, in a vehicle, caravan, workshop or outdoor environment.
1,536Wh Capacity for Versatile Power
At the centre of the DELTA 3 1500 is a 1,536Wh lithium iron phosphate battery, providing a substantial reserve of stored energy for appliances and electronic equipment. The 1,800W AC output gives the power station enough capacity to operate a broad range of everyday household equipment, while the 3,600W surge capability provides additional power for appliances that require a higher initial draw when starting.
EcoFlow states that the DELTA 3 1500 can power 99% of household appliances, including refrigerators, televisions and computers. X-Boost technology extends compatibility to selected higher-powered equipment, supporting continuous operation of compatible appliances rated up to 2,400W. This makes the unit suitable for applications ranging from everyday home use to more demanding outdoor and DIY requirements.
Expandable Energy Storage
The DELTA 3 1500 is designed to grow with changing power requirements. Its 1,536Wh internal capacity can be expanded up to 5.5kWh using compatible additional batteries. EcoFlow lists compatibility with the DELTA 3 Extra Battery, DELTA 2 Extra Battery, DELTA 2 Max Extra Battery and DELTA Pro 3 Extra Battery.
This expandable design provides greater flexibility for longer periods away from the mains or extended home backup. A single DELTA 3 1500 can provide portable power for everyday applications, while additional battery storage can increase the available energy reserve when longer runtime is required.
Fast AC Charging
The DELTA 3 1500 supports up to 1,500W of AC charging through EcoFlow's X-Stream technology. Under the manufacturer's specified conditions, the battery can be fully charged from 0% to 100% in approximately 90 minutes. This rapid charging capability allows the power station to be prepared for an unexpected power cut or a last-minute trip without requiring a lengthy charging period.
The unit also supports AC and solar charging simultaneously, with a combined charging input of up to 1,500W. This gives users additional flexibility when replenishing the battery and can be particularly useful when the power station is being used as part of a portable or off-grid energy setup.
Solar Power for Off-Grid Use
With support for up to 500W of solar input, the DELTA 3 1500 can be paired with compatible EcoFlow portable solar panels to generate and store energy away from the mains. EcoFlow specifies a full solar recharge time of approximately 3.5 hours under the stated conditions.
Solar compatibility makes the DELTA 3 1500 particularly useful for camping, caravanning, outdoor activities and remote working. Rather than relying exclusively on a conventional electrical supply, users can replenish the battery using available sunlight, helping extend the power station's usefulness during longer periods away from home.
Flexible Charging on the Move
The DELTA 3 1500 can also be charged from a vehicle using compatible charging equipment. EcoFlow specifies support for up to 800W of car charging with its Alternator Charger, allowing the power station to be replenished while travelling. A full recharge can take approximately 2.1 hours when using the specified alternator charging setup.
Generator charging is also supported at up to 1,500W. EcoFlow additionally lists support for its Smart Generator 3000 Dual Fuel system, providing another charging option for situations where mains electricity and solar power are unavailable.
13 Outputs for Multiple Devices
The DELTA 3 1500 provides a total of 13 output ports, allowing a variety of appliances and electronic devices to be powered simultaneously. Four AC outlets provide up to 1,800W of continuous output, with a 3,600W surge capability, while dedicated USB connections provide direct charging for modern portable electronics.
The USB connectivity includes two fast-charging USB-A ports rated at up to 18W each, two additional USB-A ports providing up to 12W each and two USB-C ports capable of delivering up to 100W each. This makes the DELTA 3 1500 suitable for charging smartphones, tablets, laptops, cameras and other compatible USB-powered equipment without requiring separate AC chargers.
For 12V equipment, the power station features a dedicated car power output rated at 12.6V and 10A, providing up to 126W. Two DC5521 outputs are also included, each supporting 12.6V and up to 3A. This broad selection of connections allows the DELTA 3 1500 to accommodate household appliances, personal electronics, automotive equipment and compatible camping accessories from a single power source.
UPS Protection for Essential Equipment
The DELTA 3 1500 can function as a UPS for home backup applications, automatically switching to battery power in less than 15ms when mains electricity is interrupted. This makes it suitable for keeping essential equipment operating during a power cut, including refrigerators, fish tanks and compatible medical equipment such as CPAP machines.
For everyday home use, this UPS functionality can provide additional reassurance by allowing important equipment to remain connected to the DELTA 3 1500 rather than relying solely on the mains supply. When an interruption occurs, the power station can automatically take over, helping minimise disruption to connected devices.
LFP Battery Technology and Protection
The DELTA 3 1500 uses LFP battery chemistry, selected for its durability and suitability for repeated charging and discharging. EcoFlow specifies a cycle life of 3,000 cycles to 70% of the original capacity, providing a battery system designed for regular use over an extended period.
The battery is supported by an intelligent Battery Management System designed to monitor and manage the battery during operation and charging. The battery pack also carries an IP54 water-resistance rating, adding protection for the battery pack against dust ingress and splashing water. The DELTA 3 1500 therefore provides a combination of battery durability, intelligent management and physical protection for a wide range of applications.
Smart App Control
The DELTA 3 1500 supports EcoFlow's smart app, providing convenient access to information and control functions. This allows users to monitor the power station and manage its operation from a compatible mobile device, making it easier to keep track of available energy and connected power usage.
Smart control is particularly useful when the DELTA 3 1500 is being used as a home backup system. Users can monitor the unit without needing to access it directly, while the connected functionality can also assist with managing energy use and making better use of stored electricity.
Quiet Operation
The DELTA 3 1500 has been designed to keep operating noise to a minimum, making it suitable for use in environments where excessive fan noise would be undesirable. EcoFlow specifies a noise level below 35dB when operating at 600W, increasing to below 45dB at 1,200W.
This makes the unit appropriate for use in a home office, living space, caravan or campsite, where keeping the surrounding environment relatively quiet can be important.
Compact and Portable Design
With a maximum net weight of 16.5kg and dimensions of 400mm x 212mm x 282mm, the DELTA 3 1500 provides a balance between substantial energy storage and portability. Its compact design makes it easier to lift and transport than larger high-capacity power stations, while its 1,536Wh battery still provides considerable stored energy.
The portable format allows the DELTA 3 1500 to move easily between different applications. It can provide backup power in the home, supply electricity for outdoor activities, support equipment in a recreational vehicle or provide a convenient source of energy for DIY work away from conventional mains sockets.
Dependable Power Wherever It Is Needed
The EcoFlow DELTA 3 1500 combines a 1,536Wh LFP battery with 1,800W continuous AC output, 3,600W surge capability and X-Boost support up to 2,400W. Its 13 output ports provide extensive connectivity for appliances, computers, mobile devices, automotive equipment and other compatible electronics, while its expandable capacity allows the system to accommodate greater energy requirements over time.
Fast 1,500W AC charging, up to 500W solar input, 800W alternator charging and generator compatibility give the DELTA 3 1500 considerable flexibility when it comes to replenishing its battery. Combined with UPS functionality, LFP battery technology, IP54 battery protection, smart app control and quiet operation, it provides a comprehensive portable energy solution for both everyday use and emergency backup.