Extra Batteries

Expandable Capacity: DELTA 2 expands up to 2048Wh with smart extra battery, keeping your home powered on in any emergency.
Convenient Recharging: DELTA 2 and its Extra Battery charge and discharge in unison. Recharging from portable solar panels, AC outlets, or our Smart Generator is easy. Fast Recharging: Charge up with DELTA 2 from 0-80% in 70 minutes and 0-100% in 120 minutes with AC input. Internal Storage Compartment: Get extra storage for accessories conveniently, saving space at home or on the go. Power multiple devices: DELTA 2 fits with every port you’ll ever need to power any devices anywhere, so you will always feel right. Control from anywhere: Get all the same info about battery percent, remaining recharge time, hours left, and more on the built-in screen. You can check the battery’s status anywhere from the EcoFlow app.

Introducing the ultimate backup power solution to accompany your portable power station (DELTA Pro/Max/Power Kits). The EcoFlow Smart Generator, now with dual fuel support. It's smarter, and with propane it's more efficient, and more intuitive than the rest, all while integrating seamlessly with your EcoFlow DELTA Max, Pro & Power Kits. Two fuel sources - With either LPG (Propane) or gas, you’ve got two energy sources to deliver higher efficiency, easier use, and fewer emissions. Part of the EcoFlow Ecosystem - Set it to charge your DELTA Pro/Max or Power Kits automatically when they drop to a certain level. All while having higher charging efficiency. Use the EcoFlow app to control and monitor from afar. With 5 alert methods, including carbon monoxide alerts, you’re always in the know. Plug in propane easier than ever with a switch & built-in regulator

Make it a triple Double or triple the capacity of DELTA Max to 4032Wh or 6048Wh, longer runtime for your key appliances. Charge anytime, anywhere DELTA Max’s Smart Extra Battery benefits from all the charging methods DELTA Max has, that means you can charge anytime, anywhere as long as your extra battery is connected to DELTA Max. Once connected, they’ll charge/discharge in unison, keeping the battery percent level across both units. Ready for any emergency Get a 1800W DC fast charge with EcoFlow Smart Generator (sold separately). Just plug the generator directly into your extra battery via the extra battery port. This works even when disconnected from your DELTA Max. Stay informed The Smart Extra Battery has a bright LCD screen on the front of the unit giving you all the info you need. Output, input, remaining charge and time remaining.

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. Recharging from solar panels, AC outlets, EV charging stations, or our Smart Generator is easy. Plug the Extra Battery into DELTA Pro and they will recharge and discharge in tandem. 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. This Extra Battery can recharge directly from EcoFlow’s Smart Generator outdoors, giving you another option for emergencies. LCD screen Get all the same info about battery percent, remaining recharge time, hours left, and more on the built-in screen. You can check the battery’s status anywhere from the EcoFlow app.