Expand your power capacity with the EF ECOFLOW DELTA Extra Battery. This battery seamlessly connects to your DELTA 2 to increase its total capacity to 2048Wh, providing extended power for home backup or outdoor adventures. Engineered with LFP battery chemistry, it boasts over 3000 cycles, ensuring longevity with regular use. Recharge conveniently via AC outlets, car chargers, solar panels, or the Smart Generator, achieving an 80% charge in just 80 minutes. When paired with the DELTA 2, the combined 1800W output and 13 outlets can power up to 90% of common home appliances. Monitor essential information like remaining charge and runtime directly on the onboard LCD screen or through the EcoFlow app. Weight: 20.94 pounds.