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Charge Computers or other devices requiring USB C charging ports. When the USB-C port is in use the 
indicator will light up.

3. USB-C Output Ports

These ports have a higher power output that the regular USA-A ports and will charge devices at twice the 
rate.

5. Fast Charge USB-A Output Ports

Press and hold the main power button to switch the Delta on or off. When the Delta is turned on the LCD 
display screen will light up. After a period of time (usually 5 minutes) the display screen will enter idle mode 
and switch itself off to conserve power. This doesn’t turn off the internal battery and the Delta is still 
working. To wake up the display screen briefly press the on/off button and the screen will come to life. The 
power indicator light will light up when the Delta senses any of its ports come into use, e.g. a device is 
plugged into any of the output ports. If the Delta is left idle with nothing plugged into any of the output 
ports for an extended period of time it will switch itself off completely to conserve battery life.

6. Main Power On/Off Button

The AC Power Button regulates the flow of AC output from the Delta. Please press and hold the AC button 
to enable or disable the flow of AC power. The AC indicator light will be on when the AC power is active but 
will turnoff after 12 hours in idle mode. The output is pure sine wave AC power very closely matching the AC 
power output from regular Australian/New Zealand mains power household outlets. It is therefore lethal if 
not used correctly and it is essential that users take all the same precautions when using this AC power as 
they normally would in a household environment. The Delta uses a power inverter to produce the AC power 
and this device consumes battery power just to operate in idle once switched on. It is therefore sensible to 
conserve battery life by switching off the AC power and unplugging any AC power cords when AC power is 
not required.

7. AC On/Off Switch - (Press and Hold for ON/OFF) AC Output Indicator Light

The Delta produces heat internally as it operates to supply power. The Delta fans cool the internal 
components including the battery pack by circulating air to prevent overheating. The Delta fans will 
operate at different speed levels depending on the environmental conditions and the power output load 
that the Delta is producing. You will note that the fans are always in operation when the AC power is 
activated. This is one of the reasons that the AC power should be turned off when not needed, as this will 
prolong battery life.

8. Ventilation Fan Vents (DO NOT Block or inhibit airflow in any way)

These outlets should be used with care and respect. The Delta is capable of producing up to 1800w of AC 
power on a continuous basis and higher surge loads for short periods of time. This level of power is 
sufficient to power many appliances and power tools. This makes Delta a very useful and flexible source of 
portable AC power. It does however have design limitations. The Delta may not power certain appliances 

9. 2 Australian 3 Pin AC Outlets.

 First Press and hold the Power Button (6.) to turn on the Delta unit and then press and hold the DC power 
button to turn on the DC power. When finished press and hold the DC button to turn off the DC power. In 
certain cases devices may have a very low power draw. In this case the DC power may sleep as it detects a 
lack of use. To ensure this doesn’t happen you can connect an another device to charge from to the USB 
port and this will keep the Delta awake.

4. DC ON/OFF Switch (PRESS & HOLD to switch ON/OFF) DC Output Indicator 

5

power a free life

Summary of Contents for EF DELTA

Page 1: ...2 Never disassemble puncture subject the unit to a large shock or crush force or incinerate the EF DELTA or the accessories 3 Do not attempt to disassemble the EF DELTA there are no user serviceable...

Page 2: ...USE CARE AND SAFETY GUIDE 4 EF DELTA S FEATURES LCD DISPLAY SOLAR PANEL CONNECTION ENTRY LEVEL UPS AND SERIES MODE TECHNICAL SPECIFICATIONS HOW TO RECHARGE EF DELTA FAQs WHAT S IN THE BOX OPTIONAL 6 1...

Page 3: ...The User must take the same care and precautions when using the Delta as would be taken when using your normal household power and appliances Do not allow children to use the Delta Failure to follow t...

Page 4: ...ged or malfunctioning Delta If your Delta is functioning abnormally contact EcoFlow support at support ecoflow com for further assistance 4 The Delta must only be used at temperatures between 0 and 45...

Page 5: ...od 3 DO NOT charge a battery immediately after a long heavy load because the battery s temperature may be too high DO NOT charge a battery until it cools down to near room temperature The battery may...

Page 6: ...hone Tablet Go Pro Portable Speakers or anything that needs to be changed through a USB A Port The USB A Output Indicator light will automatically light up when a USB A Port is in use 2 USB A Output P...

Page 7: ...C power and this device consumes battery power just to operate in idle once switched on It is therefore sensible to conserve battery life by switching off the AC power and unplugging any AC power cord...

Page 8: ...y pack If the Delta has recently been discharged under high load for an extended period of time the charging function will be disabled until the internal battery pack returns to a normal temperature I...

Page 9: ...the EF DELTA The fan speed of the EF DELTA directly correlates with the load and the ambient temperature The higher the load or the ambient temperature the higher the fan speed will be e Fan Indicato...

Page 10: ...arging time Exclamation and High tempera ture icons flash together This happens usually after a heavy battery use Recharging can be resumed after battery is cooled down Exclamation and High temperatur...

Page 11: ...mperature Car and High temperature icons flash together The machine will be resumed to normal operation after it is cooled down Car icon flashes Try to restart the device If the icon keeps flashing pl...

Page 12: ...w to recharge the EF DELTA using solar panels Users can connect 1 3 pieces of solar panels Up to a maximum of 3 panels in series as shown in the following picture Connect one end of the panels to the...

Page 13: ...connections are a common mistake will damage the Delta and will not be covered by the warranty 3 EF DELTA supports the use of third party solar panels DIY solution When EF DELTA is used under UPS or m...

Page 14: ...unit and the other end to the input port of Slave 1 Then connect one end of the AC cable to the AC output port of Slave 1 and the other end to the input port of Slave 2 After connecting the machines t...

Page 15: ...ast Charge x2 USB C Output x2 Car Power Output x1 Output 5V DC 2 4A 12W Max per port 5V DC 9V DC 12V DC 2 4A 28W Max per port 5V DC 9V DC 15V DC 20V DC 3A 60W Max per port 108 8W 13 6V DC 8A max 1800W...

Page 16: ...harge my EF DELTA How do I care for EF DELTA Yes EF DELTA can output power while being charged EF DELTA is designed for a variety of uses so EF DELTA needs to be cleaned occasionally Please use a dry...

Page 17: ...s a water resistant dustproof case for maximum protection It is suggested that you keep EF DELTA connected to a power source such as a solar panel or a wall plug when the product is not in use This ca...

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