EcoFlow DELTA Pro 3 Extra Battery
Expand your power. Extend your freedom.
Boost your energy storage and take your off-grid or home backup setup to the next level with the EcoFlow DELTA Pro 3 Extra Battery. Designed exclusively for the DELTA Pro 3 Portable Power Station, this high-capacity LFP module adds seamless, smart expandability for longer runtimes and greater versatility.
Key Features
- Expandable Energy Storage – Increase total capacity up to 6 kWh (from 2 × 2048 Wh base units).
- Plug-and-Play Integration – Instantly connects to your DELTA Pro 3 for unified control and balanced charging.
- Long-Life LFP Battery – Safe and durable lithium-iron-phosphate chemistry providing 3000+ full cycles.
- Smart Battery Management System (BMS) – Monitors voltage, temperature, and current in real time for optimal performance.
- Fast Recharging Options – Supports charging via AC, solar, car, or directly from the main power station.
- App Connectivity – Manage and monitor energy levels and charging status through the EcoFlow App.
- Portable and Modular Design – Sturdy handles, robust wheels, and stackable shape make it easy to transport and set up.
Perfect For
- Extending runtime for home backup systems
- Off-grid cabins and RV setups
- Outdoor work or filming requiring uninterrupted power
- Solar-powered storage and energy management
EcoFlow DELTA Pro 3 Extra Battery – Smart, safe, and powerful energy expansion for when you need more than just backup power.
Battery Chemistry | LiFePO₄ (LFP) |
Capacity | 2048 Wh per unit |
Expandable Capacity | Up to 6 kWh (with 2 Extra Batteries) |
Battery Life Cycle | 3000+ cycles to 80 % capacity |
Input Voltage | 51.2 V DC |
Charging Methods | AC, Solar, Car, via DELTA Pro 3 main unit |
Weight | Approx. 20 – 23 kg |
Dimensions | Approx. 49.7 × 24.2 × 30.5 cm |
Operating Temperature | –20 °C to 50 °C |
App Control | EcoFlow App (Wi-Fi / Bluetooth) |
EcoFlow DELTA Pro 3 Extra Battery
Expansion Power Cable
User Manual