Description
EcoFlow DELTA 2 Smart Extra Battery
Add 1024 Wh to the EcoFlow DELTA 2 for up to 2048 Wh total—designed for home backup, RVing, outdoor use, and emergencies at lower cost than a standalone station of the same capacity.
Expandable Capacity
DELTA 2 expands up to 2048 Wh with this smart extra battery. Double energy storage for less cost—up to 30% less than a power station of the same capacity (manufacturer claim).
Charging & Sync
- DELTA 2 and the Extra Battery charge and discharge in unison
- Recharge from portable solar panels, AC outlets, or EcoFlow Smart Generator
- With DELTA 2 on AC input: 0–80% in about 80 minutes, 0–100% in 130 minutes
Battery Lifespan
Upgraded LFP chemistry: 3000 complete cycles to 80% capacity for roughly 10 years of daily use—about 6× longer than similar-capacity stations (manufacturer comparison).
Design & Storage
Stackable, compact design; units stack on power stations and each other. Internal storage compartment for accessories.
Monitoring & Control
Built-in screen shows battery percent, remaining recharge time, hours left, and more. EcoFlow app provides status and control from anywhere.
Compatibility
Compatible only with the EcoFlow DELTA 2 power station. No separate setup—plug into DELTA 2 for additional storage.
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