EcoFlow DELTA Pro Smart Extra Battery (DELTAPROEB-US)

The EcoFlow DELTA Pro Smart Extra Battery (DELTAPROEB-US) is a high-capacity expansion module designed to significantly increase the energy storage of the EcoFlow DELTA Pro Portable Power Station. With a massive 3600Wh capacity and advanced LiFePO4 battery technology, it delivers long-term reliability, scalable power, and seamless system integration. Built for home backup, off-grid living, and professional energy needs, it supports synchronized charging, smart monitoring, and flexible expansion for large-scale power solutions.

Product Features

Massive Energy Capacity Expansion

Adds 3600Wh of additional battery storage, enabling total system capacity of up to 10.8kWh when using two extra batteries with a DELTA Pro unit.

Long-Life LiFePO4 Battery Technology

Utilizes lithium iron phosphate cells rated for over 3,500 cycles to 80 percent capacity and up to 6,500 cycles to 50 percent capacity for extended lifespan.

Seamless System Integration

Connects directly to the DELTA Pro using a dedicated expansion cable, allowing synchronized charging and discharging across the entire system.

Smart Monitoring and LCD Display

Equipped with a built-in LCD screen and app connectivity for real-time tracking of battery status, power flow, and remaining runtime.

Versatile Charging Compatibility

Charges in unison with the main unit through AC, solar panels, EV charging stations, or car input, providing flexible energy replenishment options.

Independent Generator Charging Support

Can be charged independently using the EcoFlow Smart Generator via a dedicated port, offering additional flexibility in emergency situations.

Advanced Battery Management System

Includes comprehensive protection against over-voltage, overload, overheating, short circuits, and other electrical risks.

Portable High-Capacity Design

Designed with integrated wheels and a telescopic handle, making it easier to transport despite its high capacity.

Product Specifications

• Model: DELTAPROEB-US
• Battery capacity: 3600Wh (48V)
• Battery chemistry: LiFePO4 (LFP)
• Cycle life: 3,500+ cycles to 80 percent capacity; 6,500+ cycles to 50 percent capacity
• Weight: Approximately 38 kg (84 lbs)
• Dimensions: 63.5 × 28.5 × 41.6 cm
• Input port (extra battery): 48V, up to 3200W max
• Output port (extra battery): 45V–54V, up to 4260W max
• Expandability: Supports up to 2 extra batteries per DELTA Pro system (up to 10.8kWh total)
• Charging methods: AC, solar, EV charging station, car input, Smart Generator
• Operating temperature (optimal): 20°C to 30°C
• Charging temperature: 0°C to 45°C
• Discharging temperature: -10°C to 45°C
• Storage temperature: -10°C to 45°C
• Connectivity: Wi-Fi and Bluetooth via main unit integration
• Monitoring: LCD display and EcoFlow app support
• Safety system: Advanced Battery Management System (BMS) with multi-layer protection
• Mobility features: Built-in wheels and telescopic handle
• Usage requirement: Requires connection to EcoFlow DELTA Pro to supply power to devices