EF ECOFLOW DELTA Pro Smart Extra Battery – 3,600Wh LiFePO4 Expansion Battery for DELTA Pro – EFD500

Expandable Capacity. With an extra battery, DELTA Pro can expand capacity from 3.6kWh to 7.2kWh for battery backup power supply. That’ll give you days of power for your essential appliances. Add up to two DELTA Pro Smart Extra Batteries to gain a capacity of 10.8kWh, ideal for home backup, RVing, outdoor adventures, and everyday use .

Why Choose EF ECOFLOW DELTA Pro Smart Extra Battery?

Charge Anytime, Anywhere. DELTA Pro’s extra battery benefits from all the charging methods DELTA Pro has, including 6500W MultiCharge. That means you can charge anytime, anywhere as long as your extra battery is connected to DELTA Pro. Once connected, they’ll charge/discharge in unison, keeping the battery percent level across both units .

Key Features

• Expandable Capacity – Adds 3,600Wh of capacity to your DELTA Pro. Connect up to two extra batteries to reach a total system capacity of 10.8kWh. That’s days of power for essential appliances .
• Charge Anytime, Anywhere – Benefits from all DELTA Pro charging methods, including 6500W MultiCharge. Extra battery charges/discharges in unison with DELTA Pro when connected. Full charge in 2.7 hours via AC wall outlet .
• Ready for Any Emergency – Get a 1800W DC fast charge with EcoFlow Smart Generator (sold separately). Plug the generator directly into the extra battery via the port on the back. Works even when disconnected from DELTA Pro .
• 10-Year Lifespan with LFP Battery – Upgraded LFP battery chemistry offers 3,500 cycles to 80% capacity. That’s almost 10 years of power even with daily use .
• Stay Informed – Bright LCD screen on the front shows output, input, remaining charge, and time remaining. EcoFlow app allows monitoring and control from afar .
• Smart Control – Monitor and control your batteries from the EcoFlow app. View charge and discharge levels and speeds remotely .

What’s Included

Complete extra battery kit including DELTA Pro Smart Extra Battery, DELTA Pro Extra Battery Cable, Handle Cover, and User Manual .

Specifications