EcoFlow Delta 3 Series Smart Extra Battery, 1024Wh LiFePO4 Expansion Battery for Power Station Delta 2/Delta 3/Delta 3 Plus/Delta 31. Increase the capacity of DELTA 3 Plus/DELTA 3 with an extra 1024Wh.2. Get 10 years of daily use until it hits 80% of its original capacity. Embrace 3000 charging cycles enabled by the LFP battery chemistry.3. Plug-and-play system. Use the EcoFlow app to monitor and control the DELTA 3 Smart Extra Battery. Show More Show Less
