The Huge AC Output and 7X Faster AC Charging enable it to power 90% of appliances, reaching 6X long-lasting capability and becoming the fastest charging 0-80% in 50 mins in the market. Also, DELTA 2 Extra Battery provides expandable capacity, absolutely great for home backup or everyday appliances!
Expandable Capacity: DELTA 2 expands up to 2048Wh with smart extra battery, keeping your home powered on in any emergency.
Convenient Recharging: DELTA 2 and its Extra Battery charge and discharge in unison. Recharging from portable solar panels, AC outlets, or our Smart Generator is easy.
Fast Recharging: Charge up with DELTA 2 from 0-80% in XX minutes and 0-100% in XX minutes with AC input.
Internal Storage Compartment: Get extra storage for accessories conveniently, saving space at home or on the go.
Power multiple devices: DELTA 2 fits with every port you’ll ever need to power any devices anywhere, so you will always feel right.
Control from anywhere: Get all the same info about battery percent, remaining recharge time, hours left, and more on the built-in screen. You can check the battery’s status anywhere from the EcoFlow app.
Convenient Recharging
DELTA 2 and its Extra Battery charge and discharge in unison. Recharging from portable solar panels, AC outlets, or our Smart Generator is easy.
Internal Storage Compartment
Get extra storage for accessories conveniently, saving space at home or on the go.
Specifications
Product Name
EcoFlow DELTA 2 Extra Battery
Capacity
1024Wh
Battery
LFP chemistry , 3000 cycles to 80% capacity
Version
Compatible with all versions
Dimension
15.7 x 8.3 x 11.1in / 400 x 211 x 281 mm
Weight
21 lbs / 9.5kg
What’s in the box
DELTA 2 Smart Extra Battery, DELTA 2 Extra Battery Cable, User manual, Warranty card
Extended Runtime: Provides additional power to the DELTA 2 for longer off-grid operation.
Seamless Integration: Easily attaches to your DELTA 2 with no complicated setup required.
High-Capacity Performance: Ensures stable and reliable output for appliances, electronics, and tools.
Portable & User-Friendly: Lightweight design makes transport and handling easy.
Durable & Safe: Built for long-lasting use with built-in safety protections for worry-free operation.
Q&A
Q: What is the EcoFlow DELTA 2 Smart Extra Battery? A: A high-capacity add-on battery designed to expand the runtime of the DELTA 2 power station, providing longer off-grid power for appliances and electronics.
Q: What is the energy capacity? A: The Smart Extra Battery provides an additional 2 kWh of energy, effectively doubling the DELTA 2’s operational time.
Q: What are the main benefits of using this battery? A: Extended runtime, modular expandability, seamless integration, and reliable off-grid power, ideal for camping, RVs, or emergency backup.
Q: Is it compatible with solar charging? A: Yes—it works with DELTA 2-compatible solar panels for continuous off-grid charging.
Q: Where is this battery best used? A: Perfect for off-grid living, outdoor adventures, RV trips, and emergency preparedness, ensuring longer-lasting portable energy wherever needed.
Maintenance Tips
Maintain Optimal Charge: Keep the battery between 20%–80% charged for best performance and longevity; avoid prolonged full discharges.
Proper Storage: Store in a cool, dry, ventilated area (15°C–25°C / 59°F–77°F), away from direct sunlight, heat, or moisture.
Inspect Connections: Regularly check the battery terminals and connectors for dust, debris, or looseness; wipe gently with a soft, dry cloth.
Firmware Updates: Keep the battery firmware updated via the EcoFlow app to maintain peak performance and safety.
Monitor Physical Condition: Inspect for swelling, leaks, or external damage; discontinue use if any issues are detected.
Safe Handling: Handle the battery carefully during transport, setup, and storage to prevent drops, impacts, or short circuits.
Environmental Protection: Avoid extreme temperatures, high humidity, or water exposure to preserve efficiency and battery lifespan.
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