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1. Long press the IoT button under the screen for 3 seconds, and the WiFi icon on the screen will flash. After confirming that DELTA Max's WiFi is on, connect your phone to the unit. 2. Open the app and click the "+" in the upper right corner to add a device. Connect to the WIFI or a mobile phone hotspot. Go to the DELTA Max page, then Settings>Firmware>Update. 3. If you can't find the "Upgrade" reminder, it means that your home router is not connected. Press and hold the IoT button under the DELTA Max's screen for 3 seconds to reconnect. 4. Upgrading won't be complete if it is interrupted. Restart DELTA Max, reconnect the WiFi and DELTA Max, then update again. 5. If you can't update using the app or there is still a failure after updating, contact support.eu@ecoflow.com.
DELTA Max supports EPS (Emergency Power Supply). When DELTA Max is plugged into the grid to charge using AC, any load plugged into the DELTA Max will be directly powered from the grid and not DELTA Max. If there is a power outage, DELTA Max automatically switches to its battery supply mode within 30 milliseconds. Any device plugged into the DELTA Max will have no power for 30 milliseconds, making it unsuitable for desktop computers or data servers which must be reconnected to power within 0 milliseconds (UPS). UPS is unnecessary for all devices, and we advise testing yourself before using the EPS function. It is recommended that only one device is plugged into DELTA Max to avoid overloading.
When charging/discharging, the BMS will charge the one with low voltage first. It will then balance the charge in the two units before charging/discharging further.
The EcoFlow Smart Generator can charge DELTA Max (up to 1800W), expanding the capacity (up to 2x5.4kWh) and extending the power supply time. When the Smart Generator is connected to DELTA Max and battery capacity is less than 20% (can be set in the app), the Smart Generator will automatically start topping up the battery.
1. To prolong the battery life, we recommend that you use and store DELTA Max in an environment of 20°C to 30°C, away from water, heat, and metal objects. 2. For long-term storage, discharge the product down to 30% and then charge it up to 60%. Continue to follow this procedure every 3 months. Units that are not charged and discharged for more than 6 months will no longer be covered under warranty. 3. For safety reasons, please do not store this product in an environment above 45°C or below -10°C over a long period.