EcoFlow Extra Solar Deep Cycle Battery for Delta Pro (DELTAPROEB-US)

Expand your energy storage capacity and unlock the full potential of your EcoFlow DELTA Pro with this high-performance Smart Extra Battery. Designed for extended backup power and off-grid use, this battery doubles your DELTA Pro’s capacity from 3.6kWh to 7.2kWh, making it a reliable solution for emergencies, home use, and outdoor adventures. Built with advanced LFP battery chemistry and equipped with smart control features, it delivers long-lasting, high-efficiency energy storage for any scenario.

Product Features

Expandable Capacity for Extended Backup

Boost your DELTA Pro’s total energy storage from 3.6kWh to 7.2kWh with one Smart Extra Battery. This provides days of backup power for essential devices and appliances during blackouts or off-grid use.

Universal Charging Compatibility

The extra battery inherits DELTA Pro’s versatile charging options, including solar, AC, EV charging, and EcoFlow’s 6500W MultiCharge technology. It charges and discharges simultaneously with the main unit, maintaining balanced battery levels for optimal performance.

Emergency-Ready Fast Charging

In critical moments, recharge the battery independently with the EcoFlow Smart Generator (sold separately). Get up to 1800W DC fast charging directly through the dedicated rear port—even when disconnected from the DELTA Pro.

LCD Display for Real-Time Monitoring

Stay updated with a large, easy-to-read LCD screen displaying real-time data like output, input, remaining battery percentage, and estimated runtime.

Remote Smart App Control

Use the EcoFlow app to monitor battery status, track energy usage, and manage system settings from your phone—anytime, anywhere.

Product Specifications

• Model: DELTAPROEB-US
• Battery Capacity: 3600Wh
• Battery Chemistry: LFP (LiFePO₄)
• Life Cycle: 3,500 cycles to 80% capacity / 6,500 cycles to 50% capacity
• Dimensions: 25 x 11.2 x 16.4 in (63.5 x 28.5 x 41.6 cm)
• Weight: Approx. 84 lbs (38 kg)
• Compatible With: EcoFlow DELTA Pro
• Charging Support: Via DELTA Pro or EcoFlow Smart Generator (sold separately)
• Control Options: LCD screen and EcoFlow mobile app
• Warranty: 2 Year Limited Warranty*

What’s in the Box

1. EcoFlow DELTA PRO Smart Extra Battery
2. Extra Battery Cable
3. User Manual & Warranty Card
4. Handle Covers

*Warranty becomes void due to user-induced damage, use of third-party solar panels, or electrical surges. Only EcoFlow Solar Panels should be used for charging to retain warranty coverage.

Important Notes

• Only compatible with the EcoFlow DELTA Pro model.
• Always ensure both the DELTA Pro and Extra Battery are powered off before connecting or disconnecting.
• Store the battery in a cool, dry environment and recharge every 3 months if not in use to maintain battery health.
• In case of accidental water exposure, allow the unit to dry completely before further use.