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The EcoFlow DELTA 2 Max Smart Extra Battery is a reliable, high-capacity energy storage solution designed to expand the power capabilities of the EcoFlow DELTA 2 Max. With seamless integration and a capacity boost of up to 2,048Wh, this extra battery ensures extended runtimes for your home backup, outdoor adventures, or off-grid living. Whether you're preparing for emergencies or maximizing your portable power, the DELTA 2 Max Smart Extra Battery is a versatile and efficient choice.
2,048Wh Battery Expansion
Double the capacity of your EcoFlow DELTA 2 Max system, enabling longer runtimes for powering appliances and devices.
Seamless Integration
Easily connect to the DELTA 2 Max for a smooth and efficient energy boost without additional setup requirements.
Durable and Long-Lasting Design
Built with advanced LiFePO4 battery cells, offering 3,000+ charge cycles for reliable and long-term performance.
Smart App Monitoring
Monitor and manage the battery's performance and status via the EcoFlow app, providing real-time data at your fingertips.
Compact and Portable
Despite its high capacity, the extra battery is designed for portability, making it easy to transport and use.
Eco-Friendly Energy Storage
Pair with solar panels for a renewable and sustainable energy solution to reduce your reliance on traditional power sources.
Home Backup Power
Extend your DELTA 2 Max's runtime to keep critical appliances and devices running during power outages.
Off-Grid Living
Maximize your energy storage for cabins, RVs, or tiny homes with clean and reliable power.
Outdoor Adventures and Camping
Ensure sufficient power for extended trips, running camping equipment, portable fridges, and more.
Worksites and Events
Power tools, lights, and other equipment with extended energy capacity for remote projects or events.
Everything you need is included with your product.
| Specification | Details |
| Weight | Approximately 19 kg (42 lb) |
| Dimensions | 464 × 235 × 283 mm | 18 × 9 × 11 in |
| Capacity | 2,048Wh |
| Extra Battery Port Input | 51.2V 2,000W Max (X-Stream and solar dual charging) |
| Extra Battery Port Output | 51.2V 3,200W Max |
| Battery Type | LFP |
| Cycle Life | 3,000 cycles to 80% + capacity |
| Protection Type | Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection |
| Optimal Operating Temperature | 20°C–30°C (68°F–86°F) |
| Discharging Temperature | -10°C–45℃ (14°F–113°F) |
| Charging Temperature | 0°C–45°C (32°F–131°F) |
| Storage Temperature | -10℃–45℃ (14°F–113°F) (Optimal: 20°C–30°C (68°F –86°F)) |
How does the DELTA 2 Max Smart Extra Battery connect to the main unit?
It connects seamlessly using the included connection cable, instantly expanding your energy storage.
Can I use the extra battery by itself?
No, the DELTA 2 Max Smart Extra Battery must be connected to the DELTA 2 Max to function.
What is the lifespan of the extra battery?
The battery offers 3,000+ charge cycles, retaining 80% capacity over time.
Can I recharge the extra battery with solar panels?
Yes, when paired with the DELTA 2 Max, the extra battery supports solar charging.
Is the battery portable?
Yes, it is designed to be compact and portable, making it easy to transport and use in various locations.
