Expand. Empower. Endure.

Boost your off-grid power setup with the EcoFlow DELTA Pro Smart Extra Battery — a high-capacity extension that lets you scale your DELTA Pro system up to an impressive 10.8kWh. Designed for serious home backup, RVs, emergency situations, or fully off-grid living, this battery delivers consistent, reliable energy when you need it most.

🔋 Key Features

1. Massive Capacity: 3600Wh — Offers long runtime for essential loads like appliances, lights, medical devices, even air conditioners when combined with the base unit.
2. Scalable System — Stack up to three extra batteries with one DELTA Pro base unit to reach up to 10.8kWh of total storage.
3. Fast-Charging Support — Charges quickly so you spend less time waiting and more time powering what matters.
4. Smart Battery Management — Embedded intelligence monitors temperature, state of charge, and optimizes performance across connected units.
5. Reliable and Safe Design — High-quality battery chemistry and built-in safety features for stable operation in home backup or rugged off-grid environments.

🛠 Ideal For

1. Homeowners needing reliable backup during power outages or load shedding.
2. RVers and adventure-seekers looking for sustainable off-grid power.
3. Emergency preparedness — ensure critical devices stay powered when disaster strikes.
4. Small businesses or remote locations where stable electricity is essential.

✅ Why Choose This Extra Battery

1. Extends runtime significantly when paired with the DELTA Pro.
2. Avoids the cost, mess & emissions of fuel generators.
3. Modular design lets you upgrade as your power needs grow.
4. EcoFlow’s commitment to quality ensures long lifespan, safe operation, and strong support.

Upgrade your DELTA Pro setup with the 3600Wh Smart Extra Battery and get the power you need — whenever and wherever you need it.