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Charging heating
Charging heating is automatically activated when ambient temperature is below 0°C
(32°F) and the battery will be in charging mode. The activation sequence is as
follows:
1. Charging heating requires charging input ≥ 250 W. When the battery internal
temperature rises above 5°C (41°F), the battery will start heating as well as
charging process.
2. When the battery internal temperature rises above 10°C (50°F), charging heating
stops, and battery charging continues.
3. The charging heating function works in a temperature range of -20°C~0°C
(-4°F~32°F).
Discharging heating
The capacity of the battery can be significantly reduced when discharging at high
power at low temperatures. In the following ambient temperature conditions, the
discharging heating feature will automatically start when the battery is discharging.
The details are as follows.
1. When the temperature is below -10℃ (14°F) and the remaining battery percentage
is above 80%, the discharging heating will automatically turn off.
2. When the temperature is below -5℃ (23°F) and the remaining battery percentage
is below 80% and above 60%, the discharging heating feature will automatically
turn off.
3. When the temperature is below 0℃ (32°F) and the remaining battery percentage is
below 60% and above 30%, the discharging heating feature will automatically turn
off.
4. If the battery level is less than 30%, the discharging heating feature will not turn
off automatically.
Troubleshooting
Both error code and error report icons usually show up together when there is any
product fault, the error code icon shows a number and the error report icon starts
blinking.
See
"Error Code List"
for more details
Maintenance
EcoFlow DELTA Pro Ultra Inverter
Ask qualified personnel to check or maintain the product, and replace the original
components with identical replacements.
Use clean and dry cloth or paper to clean dirt or stains off the ports. Do not clean the
product with chemicals or corrosive materials.
For safety reasons, turn off the product before maintenance to avoid the risk of
electric shock.
Check the product regularly according to the following checklist：
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