EcoFlow DELTA 3 Series Smart Extra Battery

1024Wh Capacity | LiFePO₄ Battery | 4000 Charge Cycles | Plug-and-Play Expansion | Up to 5-Year Warranty

The EcoFlow DELTA 3 Series Smart Extra Battery is designed to expand the energy storage capacity of compatible EcoFlow DELTA 3 and DELTA 3 Plus Portable Power Stations. Adding an extra 1024Wh of capacity gives you more runtime for home backup, RV travel, camping, outdoor adventures, and everyday power needs. Built with a long-lasting LiFePO₄ battery, smart monitoring, convenient recharging options, and a plug-and-play connection, this extra battery provides a simple way to increase your available energy without replacing your existing power station.

Add 1024Wh of Extra Energy Storage

Expand your compatible DELTA 3 Series system with an additional 1024Wh of battery capacity. This can effectively double the storage of a standard 1024Wh DELTA 3, giving you significantly more runtime for essential appliances, electronics, and equipment during outages or off-grid activities.

Ideal for Home Backup and Outdoor Power

More battery capacity means more time between recharges. The DELTA 3 Smart Extra Battery is designed for applications including home emergency backup, RVing, camping, outdoor adventures, and everyday energy use. Pair it with your DELTA 3 Series power station when you need additional energy reserves for extended periods.

Plug-and-Play Expansion

Adding the Smart Extra Battery is simple. Connect it to the compatible power station through the dedicated extra battery port, and the system automatically recognizes the additional storage. No complicated installation or separate configuration is required, making it easy to expand your energy system when your power requirements increase.

Long-Lasting LiFePO₄ Battery

The DELTA 3 Smart Extra Battery uses durable LiFePO₄ (LFP) battery chemistry, designed for long-term and repeated use. EcoFlow rates the battery for 80% or more of its original capacity after 4,000 complete charge cycles, providing a potential service life of around 10 years under the manufacturer's specified usage conditions.

Compact Design That Saves Space

The DELTA 3 Smart Extra Battery is approximately one-third smaller than the DELTA 2 Smart Extra Battery, making it easier to integrate into your existing power setup. Its compact design also allows it to be securely stacked with the compatible power station, helping minimize clutter and conserve valuable storage space.

Monitor Battery Status From Anywhere

With EcoFlow App connectivity, you can monitor important battery information directly from your smartphone. Check the battery percentage, remaining recharge time, estimated runtime, and other operating information to keep track of your available energy and manage your power system more conveniently.

Built-In Display for Easy Monitoring

The Smart Extra Battery provides convenient access to important battery information, allowing you to check its status alongside your DELTA 3 Series power station. The EcoFlow App provides additional monitoring and control capabilities, making it easier to manage your expanded energy storage system.

Convenient Recharging Options

The extra battery can be recharged through the connected DELTA 3 Series power station. Depending on your setup, the system can receive energy from AC outlets, compatible portable solar panels, or an EcoFlow Smart Generator, giving you multiple ways to replenish your expanded energy storage.

Advanced Battery Protection

The DELTA 3 Smart Extra Battery incorporates multiple protection systems designed to help safeguard the battery during operation and charging. Protection features include over-voltage, overload, over-temperature, short-circuit, low-temperature, low-voltage, and overcurrent protection.

Power More, for Longer

When connected to a DELTA 3 or DELTA 3 Plus, the additional 1024Wh provides more available energy without requiring a second complete power station. This makes the Smart Extra Battery an efficient upgrade for users who already own a compatible DELTA 3 Series system and need longer runtime for appliances, electronics, networking equipment, lighting, and other compatible loads.

Designed for Flexible Energy Storage

Whether you're preparing for extended power outages, spending several days off-grid, traveling in an RV, or simply want additional backup capacity at home, the EcoFlow DELTA 3 Series Smart Extra Battery gives you a straightforward way to scale your energy storage. Its combination of 1024Wh capacity, LiFePO₄ chemistry, 4,000-cycle durability, compact design, smart monitoring, and plug-and-play connectivity makes it a practical long-term expansion solution.

What's Included

• 1 × EcoFlow DELTA 3 Series Smart Extra Battery
• User Documentation
• Warranty Documentation

Important: The Smart Extra Battery is an expansion battery, not a standalone portable power station. It is designed to work with compatible DELTA 3 Series power stations and connects through the dedicated extra battery port.

5-Year Warranty

EcoFlow advertises a 5-year warranty for the DELTA 3 Series Smart Extra Battery, providing additional peace of mind for long-term energy storage. Combined with its LiFePO₄ battery rated for 4,000 cycles to 80% capacity, the Smart Extra Battery is designed to provide reliable additional energy for years of regular use.