EcoFlow Extra Solar Smart Battery for Delta 2 Max 2048Wh (EFDELTA2MaxEB)

Expand your energy capacity with the EcoFlow DELTA 2 Max Smart Extra Battery, designed to supercharge your DELTA 2 Max portable power station. Whether you need reliable home backup power, energy for off-grid travel, or extended runtime for outdoor activities, this smart extra battery boosts total capacity up to an impressive 6144Wh. Built with long-lasting LFP battery chemistry and ultra-fast charging capabilities, it’s the perfect companion for next-level energy independence.

Product Features

Expandable Capacity from 2kWh to 6kWh

Increase the capacity of your DELTA 2 Max by 2048Wh per battery. Connect up to two Extra Batteries to achieve a massive total capacity of 6144Wh. Ideal for emergencies, camping, or off-grid setups.

Built for 10+ Years of Use

Powered by lithium iron phosphate (LFP) battery technology, this extra battery delivers over 3000 full charge cycles while maintaining 80% of its original capacity. That’s more than a decade of reliable daily use.

Seamless Device Compatibility

Power up to 99% of household appliances with ease. With a base output of 2000W and X-Boost capability up to 3200W, this system can handle refrigerators, microwaves, air conditioners, and more.

Ultra-Fast Charging

Recharge your battery from 0 to 100% in just 81 minutes via AC input. Combine solar and AC input for even faster top-ups in just 43 minutes with a 2000W input.

Smart App Control

Monitor and control your energy usage from anywhere with the EcoFlow app. View battery status, set usage limits, schedule recharges, and manage smart automations remotely.

Product Specifications

• Model: EFDELTA2MaxEB
• Battery Capacity: 2048Wh
• Battery Chemistry: LFP (LiFePO₄)
• Cycle Life: 3000 cycles to 80%+ capacity
• Input Port: 51.2V, 2000W Max
• Output Port: 51.2V, 3200W Max
• Dimensions: 464 × 235 × 283 mm (18 × 9 × 11 in.)
• Net Weight: 19kg (42 lbs)
• Compatible With: DELTA 2 / DELTA Max 2000 / DELTA 2 Max
• Charging Methods: AC, Solar (with compatible EcoFlow solar panels), Dual (AC + Solar)
• Warranty: 2 Year Limited Warranty*

What’s in the Box

1. EcoFlow DELTA 2 Max Smart Extra Battery
2. Extra Battery Cable
3. User Manual & Warranty Card

*Warranty is void if the unit is damaged through user error, power surges, or the use of third-party solar panels not manufactured by EcoFlow.

Important Notes

• This product is not a standalone power station. It must be used in conjunction with a compatible EcoFlow power station.
• Only use EcoFlow-certified solar panels for charging to maintain warranty coverage.
• Ensure both the main unit and the extra battery are powered off before connecting or disconnecting cables.