EcoFlow EF DELTA User Manual
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Contact us:
support@ecoflow.com
www.ecoflow.com
User Guide
X-STREAM
OVERLOAD
CHARGE
PROTECTION
SOLAR CHARGE
20A Max
1. Keep the product dry and do not expose EF DELTA or the
accessories to high heat.
2. Never disassemble, puncture, shock, crash, or incinerate the
product or the accessories.
3. Recycle and dispose of EF DELTA in accordance with the
local regulations.
WARNING
4.When handling the EF DELTA, pay attention to safety: do not
hit your feet with the product.

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Summary of Contents for EcoFlow EF DELTA

  • Page 1 CHARGE PROTECTION SOLAR CHARGE 20A Max 1. Keep the product dry and do not expose EF DELTA or the accessories to high heat. 2. Never disassemble, puncture, shock, crash, or incinerate the product or the accessories. 3. Recycle and dispose of EF DELTA in accordance with the Contact us: local regulations.
  • Page 2 2. Never use NON- EcoFlow batteries. Go to http://www.EcoFlow.com to purchase new batteries. EcoFlow takes no responsibility for any damage caused by non- EcoFlow batteries. 3. Never use or charge swollen, leaky, or damaged batteries. If your battery is abnormal, contact EcoFlow support or a EcoFlow authorized dealer for further assistance.
  • Page 3 fire. Battery Charging: 1. Always use a EcoFlow approved charge cable. EcoFlow takes no responsibility if a battery is charged using a non EcoFlow charge cable. 2. Never leave a battery unattended during charging. DO NOT charge a battery near fire, other heat sources, or flammable materials or on flammable surfaces such as carpet or wood.
  • Page 4 Travel Notice: DO NOT take the Li-ion batteries with the capacity above 160Wh on an airline flight. Battery Charging: The Batteries are designed to automatically stop charging when charged full. However, it is a good practice to monitor the charging progress and disconnect the batteries when they are fully charged. Battery Storage: 1.
  • Page 5: Table Of Contents

    CONTENTS EF DELTA USE CARE AND SAFETY GUIDE 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...
  • Page 6: Ef Delta Use Care And Safety Guide

    If you belong to the type of people that don’t read instruction manuals, please at least note this : To turn ON/OFF EF DELTA, you need to PRESS & HOLD the Power Button. To turn on the AC power outlet, you need to PRESS & HOLD the AC Button after turning on EF DELTA. This is designed purposefully: it will save the battery life, so that your EF DELTA’s power is available when you need it.
  • Page 7: Ef Delta's Features

    12. X-STREAM AC Charge Input Port 13. Overload Protection Switch 220-240V* Dedicated AC Output *EcoFlow has designed di erent AC Output sockets in accordance with the local regulations of di erent countries. 1. LCD Display Displays the various conditions of the product.
  • Page 8 6. Power ON/OFF Button Press and hold the power button to switch the EF DELTA on or o . When EF DELTA is turned on the LCD Display Screen will light up. To turn ON/OFF LCD Display Screen and keep EF DELTA working, press the Power Button.
  • Page 9: Lcd Display

    Please note that US and Japan versions only support charging at 100-120Vac (50/60Hz). EF DELTA's X-STREAM system has an entry-level UPS function, so that you can use the EF DELTA AC socket while the device is connected to a wall socket with AC power supply (the AC power comes from the grid, not the battery).
  • Page 10 Indicates that the battery temperature of EF DELTA is too low. All inputs and outputs will stop functioning at this state. Please bring the EF DELTA to a warmer location and wait for the temperature to be within the working range before restarting the EF DELTA.
  • Page 11 UAB-A icon flashes together with Overload icon. USB-A Overcurrent Resume normal operation by pulling out electrical Protection appliances and waiting for 10 seconds. USB-C icon flashes together with High-tempera- USB-C High Temperature ture icon. Resume normal operation of the Protection interface by cooling down the machine.
  • Page 12 AC icon flashes. Try to restart the device. If the Communication Failure light keeps flashing, please contact our product between Main Board and AC specialists via support@ecoflow.com. AC and Overload icons flash together. Resume operation by pressing ON/OFF to restart AC 10 Inverter Output Overload seconds later.
  • Page 13: Solar Panel Connection

    2 sets of solar panels in parallel. Connect them with our MC4 to XT60 conversion cable and connect XT60 cable to the EF DELTA’s XT60 input to charge the device. The parallel connection cable is an optional accessory that needs to be purchased separately.
  • Page 14: Entry-Level Ups And Series Mode

    3. EF DELTA supports the use of third party solar panels (DIY solution) Users can buy universal solar panels of MC4 connection standard on their own to power EF DELTA, as long as the voltage and current (10-65V DC, 10A max) comply with the specifications of EF DELTA, the panels will be able to recharge EF DELTA through the MC4 to XT60 conversion cable.
  • Page 15 1.Entry-Level UPS user guide Users can connect the AC charging cable of EF DELTA to the power grid and connect a device to EF DELTA and turn on the AC switch to automatically enter the entry-level UPS mode. When the external power is cut o , power will be supplied from the battery immediately to protect your device.
  • Page 16: Technical Specifications

    Example 2 : AC ON/OFF AC ON/OFF AC ON/OFF 12V CAR 12V CAR 12V CAR 100% 100% 100% Master unit AC on Slave 1 Slave 2 TECHNICAL SPECIFICATIONS General Specs Net Weight 30.9lbs (14kg) Dimension 15.7 x 8.3 x 10.6in (40 x 21 x 27cm) Capacity 1008Wh / 1260Wh (50.4V)...
  • Page 17: How To Recharge Ef Delta

    How do I care for EF DELTA? EF DELTA is designed for a variety of uses, so EF DELTA needs to be cleaned occasionally. Please use a dry and non-abrasive cloth to clean the surface. The cleaners that are used for mobile phone or computer...
  • Page 18: What's In The Box

    Do not submerge your EF DELTA in water. It is not waterproof and this will void your warranty. If you want to protect EF DELTA against moisture and dust, use a EF DELTA protector (IP54) or safety box (IP68, which can be purchased from ecoflow.com)

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