Need more backup capacity for your EcoFlow power station? Our collection of EcoFlow Extra Smart Batteries includes official expansion batteries for the DELTA Max and DELTA Pro series, giving you more runtime, more energy independence, and greater off-grid flexibility. Whether you're using your power station for home backup, off-grid living, camping, or mobile work, these add-on batteries provide a simple way to increase your total storage capacity seamlessly and intelligently.
Engineered for perfect integration with EcoFlow power stations, these smart extra batteries automatically sync and balance with the main unit, offering plug-and-play expansion without complicated wiring or external components.
The EcoFlow DELTA Max Extra Battery is designed specifically for use with the DELTA Max 2000 or 1600 power stations. Each battery adds 2,016Wh of extra capacity, effectively doubling or tripling your system’s runtime depending on how many units you connect (up to two max). Ideal for extended blackouts, longer trips, or power-heavy devices, this expansion gives you the energy you need when you need it.
Capacity: 2,016Wh
Compatible with DELTA Max 1600 and 2000
Connect up to 2 extra batteries
Recharges with the main unit simultaneously via solar, AC, or car input
Built-in battery management system (BMS) for safety and performance
Smart LCD display shows real-time power and charge status
Lightweight and stackable for easy storage and transport
Whether you're preparing for emergencies or building an extended off-grid system, the DELTA Max Smart Extra Battery keeps you powered longer.
The EcoFlow DELTA Pro Smart Extra Battery is a high-capacity expansion module for the flagship DELTA Pro Portable Power Station. Each unit adds a massive 3,600Wh of capacity, with the ability to connect up to two batteries, bringing your total system capacity up to an incredible 10.8kWh. That’s enough to power essential appliances, medical equipment, tools, and home circuits for days.
Capacity: 3,600Wh per battery
Works exclusively with the EcoFlow DELTA Pro
Expandable up to two extra batteries (total 10.8kWh)
Recharges with the main unit using AC, solar, EV, or car input
Smart monitoring via EcoFlow app, with real-time tracking
Stackable and compact for easy installation or transport
Ideal for whole-home backup, off-grid cabins, and solar storage
The DELTA Pro Smart Battery is perfect for serious users who need extended autonomy and grid-level performance from a portable, modular system.
Double or triple your runtime for critical devices
Expand your solar capacity by storing more of what you generate
Maintain seamless charging - extra batteries recharge alongside your main unit
Simple plug-and-play setup - no tools or external components needed
Smart app control for real-time performance monitoring and battery health
These batteries are designed to grow with your needs, letting you start small and scale up your energy storage as your lifestyle or usage demands increase.
Whether you're preparing for grid outages, running essential appliances in an RV, or building a self-sufficient power system, EcoFlow Smart Extra Batteries give you the freedom to expand. Backed by EcoFlow’s advanced battery management system, app integration, and modular design, these expansion units are the easiest and most reliable way to upgrade your portable power solution.
Not sure which battery works with your setup? Our team is ready to help you choose the right configuration for your EcoFlow DELTA Max or DELTA Pro. Expand your power - explore EcoFlow extra batteries now.
