EcoFlow DELTA 2 MAX Smart Extra Battery | 2048Wh
DELTA 2 MAX Extra Battery increase the capacity of DELTA 2 Max with an extra 2046Wh. EcoFlow DELTA 2 MAX Smart Extra Battery, ⚡ Smart Extra Battery for DELTA 2 & DELTA 2 Max
More Power. More Years. More Confidence.
🔋 Triple Your Capacity
Easily expand your DELTA 2 or DELTA 2 Max’s storage.
Connect up to two Smart Extra Batteries to boost capacity from:
• 1024Wh → 3,072Wh (DELTA 2)
• 2048Wh → 6,144Wh (DELTA 2 Max)
Perfect for longer blackouts, RV trips, off-grid use, or whole-day power support.
🧪 LFP Battery. Built to Last 10 Years
Powered by LiFePO₄ battery chemistry, the Smart Extra Battery delivers:
• 3000 full cycles to 80% capacity
• 6× longer lifespan than standard lithium-ion batteries
• Improved thermal stability and safety in all environments
🛡️ 5-Year Warranty
Enjoy long-term peace of mind backed by EcoFlow's industry-leading 5-year warranty.
It’s power you can trust for years to come.
🔗 Seamless Compatibility
Plug and play with DELTA 2 and DELTA 2 Max.
Smart Battery auto-syncs for unified charging and discharging.
No setup needed. Just snap it on and power up.
✅ Designed for home backup, vanlife, and serious energy needs.
One battery. Endless possibilities.
🔋 Triple the Power
Expandable Energy. Built to Scale.
⚡ 2–6kWh Expandable Capacity
Start with 2048Wh, then expand as your needs grow.
Add up to two DELTA 2 Max Smart Extra Batteries for a massive 6144Wh total.
🏠 Perfect for Any Scenario
• Home backup — power essentials during outages
• Caravanning & Van Life — stay charged on long trips
• Outdoor adventures — power anywhere, anytime
• Everyday use — reduce reliance on the grid and cut energy bills
🔄 Flexible, Modular Design
Connect extra batteries in seconds with plug-and-play simplicity.
Get the power you need, when and where you need it. ✅ Scalable. Reliable. Always Ready.
🛡️ Durable. Safe. Lightweight.
10 Years of Power. 6× the Lifespan.
🔋 Built with Advanced LFP Battery Chemistry
DELTA 2 Max uses long-lasting LiFePO₄ (LFP) cells,
offering 3000 full charge cycles before dropping to 80% capacity.
🕒 That’s a Decade of Daily Use
Even if you charge and discharge it every single day,
you’ll get up to 10 years of reliable power —
6× longer than most portable power stations in its class.
🔥 Safe and Stable
LFP chemistry is known for its thermal stability, low risk of fire,
and superior performance across temperature ranges.
💼 Surprisingly Lightweight
Despite its durability and large capacity,
DELTA 2 Max is designed to be portable and easy to carry,
perfect for home use and off-grid travel. ✅ Built to Last. Engineered for Safety. Designed to Move.
🔋 LFP Battery Chemistry
Engineered to Outlast. Built for the Long Haul.
With industry-leading LiFePO₄ (LFP) cells,
DELTA 2 Max delivers over 3000 full charge cycles before dropping to 80% capacity.
That's up to 10 years of daily use—ideal for heavy-duty or everyday energy needs. 💪 6× Longer Lifespan than the Industry Standard
Unlike traditional lithium-ion batteries that start degrading after just a few hundred cycles,
LFP chemistry ensures exceptional durability, thermal stability, and safety.
🔥 Improved heat resistance for stable operation in high temperatures
❄️ Cold-weather performance for winter camping and off-grid cabins
🔁 Low degradation over time, even with frequent use or partial charging
📦 Specifications
Capacity: 2048Wh
Input Port: 51.2V, up to 2000W Max
Output Port: 51.2V, up to 3200W Max
Battery Type: LFP (LiFePO₄) chemistry
Cycle Life: 3000 cycles to >80% capacity
Dimensions: 464 × 235 × 283 mm (18 × 9 × 11 in)
Weight: 19 kg (42 lbs)
🔖 Note: Please retain your product's serial number (SN) as proof of warranty.
🧪 All data was obtained in laboratory conditions. For more accurate results based on your specific usage, please consult a qualified technician or energy professional.