ECOFLOW DELTA Pro Smart Extra Battery, 3600Wh Capacity, Expand DELTA Pro up to 10.8KWh, Fast Charging, Extra Battery for Home Backup, Emergency, RV, Off-Grid

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

Ready for any emergency.
When the going gets tough and you’re out of charge options, get a 1800W DC fast charge with EcoFlow SG (sold separately). Just plug it directly into your extra battery via the port on the back. This works even when disconnected from your DELTA Pro.

• Customizable Power: Expandable capacity This add-on battery connects with a DELTA Pro to double total capacity to 7200Wh. Connect two of them to DELTA Pro for a staggering 10.8kWh to use off-grid.
• Multiple Charging Options: Charge through DELTA Pro using solar panels, an AC outlet, 12v car outlet[More watt-hours at home] The Extra Battery can be integrated to your home’s wiring when connected to DELTA Pro. These battery units become part of your home’s peak shaving and emergency power solutions.
• Easily Monitor & Manage: Use the clear-to-read LCD screen or EcoFlow App to conveniently view and control charge and discharge levels and speeds.