EcoFlow DELTA 2 Smart Extra Battery (ZMR330EB)

The EcoFlow DELTA 2 Smart Extra Battery (ZMR330EB) is a modular energy expansion unit designed to increase the runtime and storage capacity of the EcoFlow DELTA 2 Portable Power Station. Built with advanced LiFePO4 battery technology, it delivers long-lasting performance, high safety standards, and seamless integration with the main power system. It is ideal for home backup, outdoor use, and extended off-grid power needs where additional energy storage is required.

Product Features

Expanded Energy Storage Capacity

Adds 1024Wh of additional battery capacity to the EcoFlow DELTA 2 system, doubling total energy storage to 2048Wh for longer runtime.

Long-Life LiFePO4 Battery Technology

Uses lithium iron phosphate cells rated for over 3,000 cycles to 80 percent capacity, providing up to 10 years of reliable daily use.

Seamless System Integration

Connects directly to the DELTA 2 via a dedicated expansion cable and is automatically recognized for unified charging and discharging management.

Smart App and Display Monitoring

Enables real-time tracking of battery level, input/output power, and remaining runtime through the EcoFlow app and the main unit display.

Fast X-Stream Charging Support

Supports rapid charging when paired with the main unit, reaching 0 to 80 percent in approximately 70 minutes via AC input.

Intelligent Power Synchronization

Works in sync with the DELTA 2 system to optimize energy distribution, ensuring efficient and balanced power usage.

Compact and Portable Design

Designed for easy transport and stacking, making it suitable for both stationary backup setups and mobile power applications.

Product Specifications

• Model: ZMR330EB
• Battery capacity: 1024Wh
• Battery chemistry: LiFePO4 (LFP)
• Cycle life: 3,000+ cycles to 80 percent capacity
• Total system capacity (with DELTA 2): 2048Wh
• Weight: Approximately 9.5 kg (21 lbs)
• Dimensions: 40 × 21.1 × 28.1 cm
• Connection type: Expansion cable (wired connection to DELTA 2)
• Charging method: X-Stream fast charging via main unit
• Charging speed: 0–80 percent in approximately 70 minutes (AC input via system)
• Smart monitoring: EcoFlow app and built-in display support
• Included in box: Extra battery unit, connection cable, user manual