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EcoFlow

EcoFlow DELTA Pro Ultra Battery Pack - EFDeltaProUltra-BP-US

EcoFlow DELTA Pro Ultra Battery Pack - EFDeltaProUltra-BP-US

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EcoFlow DELTA Pro Ultra Battery Pack - EFDeltaProUltra-BP-US

  • EcoFlow DELTA Pro Ultra Battery
  • EcoFlow Battery Connection Cable
What our Experts Think
  • Modular & Scalable Energy Storage
    Each battery pack delivers approximately 6.1 kWh, with the system expandable up to 90 kWh — ideal for home backup or high-demand applications.

  • Advanced LFP Chemistry
    Lithium Iron Phosphate technology provides longer cycle life, improved thermal stability, and enhanced safety compared with standard lithium-ion batteries.

  • High-Load Support
    When paired with the appropriate inverter, it can handle HVAC systems, EV chargers, and 120/240 V appliances for serious power needs.

  • Flexible Charging Options
    Supports AC grid charging, solar input, and generator backup, offering multiple ways to keep the system powered.

  • Reliable & Safe Design
    Features a full battery management system (BMS), advanced cooling, and self-heating for cold environments to ensure consistent performance.

  • Smart Home Integration
    Works with smart home panels for circuit-level control, automated switchover, remote monitoring, and app-based management.

Q&A

Q: What is the EcoFlow DELTA Pro Ultra Battery Pack?
A: A high-capacity battery pack designed to expand the runtime of the EcoFlow DELTA Pro power station, providing reliable backup power for home, work, and outdoor use.

Q: What is the battery capacity?
A: This Ultra Battery Pack offers up to 3.6 kWh of energy storage, enabling extended device and appliance operation during power outages or off-grid scenarios.

Q: Is it compatible with other EcoFlow devices?
A: It is specifically designed for DELTA Pro units, seamlessly connecting to increase runtime and overall power capacity.

Q: What are the key benefits?
A: Offers modular expandability, high-power output, fast recharging, and safe battery management, making it ideal for emergencies, outdoor activities, and off-grid energy needs.

Q: Where is it best used?
A: Suitable for homes, RVs, construction sites, outdoor events, and emergency preparedness, providing extended clean, portable energy wherever needed.

Maintenance Tips
  • Charge Regularly: Keep the battery charged between 20%–80% for optimal lifespan; avoid letting it fully discharge for extended periods.

  • Store Properly: Store in a cool, dry, and ventilated area, ideally between 15°C–25°C (59°F–77°F), away from direct sunlight and heat sources.

  • Avoid Extreme Conditions: Do not expose the battery to freezing temperatures, high heat, or humid environments to prevent damage.

  • Clean Contacts: Keep terminals and connectors free from dust or debris; wipe gently with a dry, soft cloth.

  • Inspect for Damage: Regularly check for swelling, leaks, or physical damage and discontinue use if issues appear.

  • Firmware & Safety Checks: Update battery firmware when prompted via the EcoFlow app to maintain optimal performance and safety features.

  • Safe Transport: Always use protective covers and follow shipping guidelines when moving or shipping the battery pack.