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⚠️ Firmware Update Required for 1T2 Accessory
To use the 1T2 accessory properly, all compatible main units must be updated to the latest firmware version. Without the required firmware, you may experience operational issues.
Required firmware versions:
- DELTA 3 Max Plus: v7.80.98.44 or above
- DELTA 3 Ultra Plus: v7.80.98.46 or above
If you have not received the firmware update, please contact our customer support team to have it pushed to your device. To complete the upgrade, connect each EB to the main unit separately — the process requires two separate upgrades. Once both upgrades are complete, the 1T2 accessory will function normally.
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 80 minutes and 0-100% in 130 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.
