EcoFlow DELTA 2 Smart Extra Battery — 1024Wh LFP Expansion for Extended Runtime The DELTA 2 Smart Extra Battery is a plug-and-play capacity upgrade that expands your DELTA 2 from 1024Wh up to 2048Wh — no setup, no configuration, just more power when you need it. Choose the standalone battery or the bundle that includes both the DELTA 2 and the Smart Extra Battery. ⚠ Compatibility. This battery is compatible with the DELTA 2 only. The DELTA 2 supports a maximum of one Smart Extra Battery at a time. ⚠ Standalone Charging. When not connected to a DELTA 2, this battery can only be charged via the EcoFlow Smart Generator. All other charging methods require it to be connected to a DELTA 2 power station. Key Features Doubles DELTA 2 Capacity — Expands from 1024Wh to 2048Wh total with one battery added LFP Battery Chemistry — 3000+ charge cycles to 80% capacity, equivalent to approximately 10 years of daily use Plug-and-Play Setup — No configuration required; charges and discharges in sync with your DELTA 2 EcoFlow App Control — Monitor battery status and control charging remotely via the EcoFlow app Stackable Design — Compact and ergonomic; stacks securely on top of the DELTA 2 or additional batteries 5-Year Full Warranty — One of the most comprehensive warranties in the portable power category Specifications Specification Detail Capacity 1024Wh Battery Chemistry LFP (LiFePO4) Cycle Life 3000 cycles to 80+% capacity (~10-year lifespan) Weight 21 lb / 9.5 kg Dimensions (L×W×H) 15.7 × 8.3 × 11.1 in. / 40 × 21.1 × 28.1 cm Compatible Models DELTA 2 only Max Batteries per Station 1 AC Charge Time (via DELTA 2) 0–80% in 80 mins; 0–100% in 130 mins Standalone Charging Via EcoFlow Smart Generator only (without DELTA 2 connected) App Control EcoFlow app — monitor and control remotely Design Stackable — stacks on DELTA 2 or additional batteries Warranty 5-Year Full Warranty
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