EF ECOFLOW DELTA Pro 3 4000Wh Extra Battery, Expansion Battery with 11-Year Lifespan, Lifepo4 Battery Backup for Home Use, Camping Accessories, Emergencies, Power Outages, RVs

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EF ECOFLOW DELTA Pro 3 4000Wh Extra Features

• [Pair for Additional Needs] The rated capacity of one battery is 4kWh. The capacity can be expended up to 36 kWh by connecting additional DELTA Pro 3 units or extra batteries in parallel. It also accommodates charging via a gas generator for both the main product and extra batteries, allowing for an expansion up to a maximum capacity of 48kWh.

• [Reliable Power Endurance] DELTA Pro 3 supports LFP battery which provides 4000 cycles till it lowers to 80% capacity. That’s almost 11 years of regular use. Every battery houses an integrated BMS module to regulate its voltage current, and temperature, keeping it safe,secure, and long-lasting.

• [Energize Almost Everything] The EcoFlow DELTA Pro 3 supports 120V/240V voltage and has a 4000W output (6000W with X-Boost, scalable up to 12000W), powering nearly all essential home appliances, such as a 3-ton* central AC or a 1 HP water pump.

• [Forget Refueling] Featuring a 4000Wh LFP battery capacity, expandable to 48kWh with extra batteries or smart generators, providing 2-4 days of whole-home backup power. With 7 unique and 18 combo charging methods like AC wall outlets, solar panels, gas generators, EV charging piles, or the EcoFlow smart home panel 2, you can forget fuel worries.

• [Explore the Secure Feeling] The EcoFlow DELTA Pro 3 features automotive-grade LFP cells and IP65-rated CTC battery pack technology, safeguarding battery health and extending lifespan. Enjoy peace of mind with a 5-year warranty and exceptional customer service, available anytime for any issues.

About EF ECOFLOW DELTA Pro 3 4000Wh Extra