• EcoFlow EXTRA BATTERY For Delta MAX Expansion
• Easily expand your Ecoflow Delta Max Power Station with the expertly designed EcoFlow Delta Max Extra Battery Expansion.
• Provides a cost-effective way to upgrade the DELTA Max's capacity by 2016 Watt hours!

Compact, Lightweight Expansion

• Designed to be paired with the EcoFlow Delta Max Power Station - Battery Backup Portable Generator.
• Adds 2016Wh of storage to your Ecoflow Max System.
• The Delta Max Expansion Battery requires no gas and emits no pollution.
• Features an Informative LED Screen

Battery Management System

• The battery management system regulates the lithium cells and the their charging state.
• Maintaining the batteries individually using AI algorithms and monitoring the temperature allows for safe and proper battery management.
• Take your Off-grid Power Even Further Beyond:
• Can increase your Delta Max Storage Capacity from 2016Wh up to 6048Wh by adding two expansion batteries!