- Increase the capacity of DELTA 3 Plus/DELTA 3 with an extra 1024Wh. - Get 10 years of daily use until it hits 80% of its original capacity. Embrace 4000+ charging cycles enabled by the LFP battery chemistry. - Plug-and-play system. Use the EcoFlow app to monitor and control the DELTA 3 Smart Extra Battery. - With one of the most comprehensive 5-year warranties available, we go the extra mile to give you peace of mind. - Dimension: 398 × 200 × 198 mm. - Weight: 9.6 kg (21.2 lb). Adding the EcoFlow Delta 3 Smart Extra Battery expands its capacity by 1024Wh. Get 10 years of daily use until it hits 80% of its original capacity. Comprehensive 5-year warranty. Plug-and-play system. Increase the capacity of DELTA 3 Plus/DELTA 3 with an extra 1024Wh. With The Compact Design, The DELTA 3 Smart Extra Battery Is 1/3 Smaller Than Its DELTA 2 Counterpart. Get 10 years of daily use until it hits 80% of its original capacity. •With one of the most comprehensive 5-year warranties available, we go the extra mile to give you peace of mind. •4000 Complete Cycles Until 80% Capacity. You'll Get Pretty Much 10 Years Of Power •There's No Setup. Just Plug Into Your Power Station For More Energy Storage. Using The EcoFlow App •On The Built-In Screen. You Can Check The Battery's Status Right From The EcoFlow App.