EcoFlow EF DELTA User Manual page 3

1. LCD Display
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a. Battery Level Indicator
Shows the remaining battery percentage. If your battery drops below 0%, the battery segment on the screen will begin
to blink. When this happens, please immediately recharge your EF DELTA.
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b. Battery Failure Warning
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c. Remaining Charge Time
d. Low temperature indicator
state.Please bring the EF DELTA to a warmer location and wait for the temperature to return to within the working range before restarting the EF DELTA.
e. High Temperature Indicator
start. Once the battery cools, EF DELTA will automatically resume operating.
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f. Fan indicator
The fan speed of the EF DELTA directly correlates to the load and ambient temperature. The higher the load or ambient
temperature, the higher the fan speed.
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g. Port Usage Indicators
Indicates when each port is in use.In addition, press and hold the AC ON/OFF button for 15s to switch between 50/60Hz.
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h. Current Output
Shows EF DELTA's current power output level in watts.
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i. Current Intput
Shows EF DELTA's current power input level in watts.
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j. Overload Warning
There are two types of overload protection. The first type protection: in the DC area, when any port is powering devices that
exceed maximum current limit, or the output power of the AC jack exceeds the maximum AC power output (Overload 1%-10% will work 3mins
overload 11%-30% will work 1min; overload 31%-49% will work 1s; overload 50%-100% will work 100ms), and when the vehicle power supply output
exceeds the maximum current, the overload indication and the corresponding interface indicator will flash simultaneously for 15 seconds. The output
of the interface will be automatically shut down immediately, and other ports will continue to work.Second type of protection: When the power
output from the DC or AC jack, and the vehicle power outlet exceeds the battery maximum power output, the overload indicator and the
corresponding port indicator will flash simultaneously for 15 seconds. EF DELTA will automatically shut down immediately. After an overload occurs,
remove the overloaded device first, and then restart EF DELTA to resume work.
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2. USB-A Output Ports
Charge a wide array of devices such as your iPhone, tablet, GoPro, speakers, or anything else that charges through USB-A
Port. The USB-A Output Indicator Light will automatically light up when a USB-A port is in use.
3. Fast Charge USB-A Output Ports
up when a USB-A ports is in use. If your device does not support fast charge, the device will charge at its normal speed.
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4. USB-C Output Port
Charge MacBook Pro, supported Android mobile phones and other devices using the USB-C port.When the USB-C port is
in use, the USB-C output indicator will light up.
5. Power Button & LCD Display Screen ON/OFF Power Indicator Light
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.
The Power Indicator Light will automatically light up when EF DELTA senses any of the output ports is in use. The Power Indicator Light will flash
when none of EF DELTA's output ports is in use, meaning EF DELTA is in the Idle State. After 5 minutes' in the Idle State, EF DELTA's screen will enter
into the sleep mode( the battery is still running). After 30 mins of not using in Idle State, EF DELTA will automatically shut down to protect its batteries.
6. AC Power Button (PRESS & HOLD for ON/OFF)
on manually. To enable AC power, press the AC power button. When AC power is not in use to charge a device, press the AC power button to turn off the
AC power. Make sure to unplug the power cord from the AC port. When the AC power of the EF DELTA is enabled, the AC indicator will light up. If the AC
power is not used for more than 12 hours, he product will turn off automatically. In addition, for users in selected countries, please press and hold AC
ON/OFF for 15s to switch between 50 and 60Hz.
7. 6 AC Output Sockets (100-120V region) / 4 AC Output Sockets(International Version 220-240V)
(230V for 220-240V edition) wall chargers such as laptops, TVs, mini refrigerators, vacuums etc.
8. Car Power Output Port & Car Power Output Indicator
Light will automatically light up when the car port is in use.
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9. Ventilation Vents
The vents prevent EF DELTA from overheating.
10. DC Power Button (PRESS & HOLD to switch ON/OFF) & DC Output Indicator
DC ON/OFF button controls the EF DELTA's DC output. EF DELTA could not recognize when low-power devices, such as earphone, is charging. So EF
DELTA is designed to keep the DC power on for 24 hours. The DC power will go off after 24 hours of not using it. If you want to extend your standby time
to 24 hours, turn the DC button on.
11. Solar Charge/Car Charge Input Port
solar panel for parallel connection. EF DELTA has a limit input of 400W. Supports car charge with a maximum input of 10A.
12. X-STREAM AC Charge Input Port – Plug in an AC cable with a universal three-pin plug (one that can withstand an effective current of 15A) into the
port and connect the cable to an AC power source. Please note that U.S. and Japan versions only support chargings in 100-120Vac (50/60Hz). Internation-
al version supports 220-240Vac (50/60Hz) EF DELTA's X-STREAM system supports entry-level UPS function, user 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). When the grid loses power suddenly,
the device can automatically switch to EF DELTA battery power mode in <=30ms to ensure your work is not interrupted. This is an entry-level grade UPS
function that does not support 0ms switching.
Do not connect devices with high uninterrupted power supply requirements. Please perform multiple tests to confirm compatibility before connecting
devices, such as data servers and workstations to EF DELTA. EcoFlow will not be responsible for any loss of data or equipment damage caused by
customers' failure in following the instruction.
13. Overload Protection Switch
protection (the button will pop out). When the device is confirmed to be normal, press the button to continue charging.
If the circle icon on EF DELTA's display is flashing, please contact our Product Experts at support@ecoflow.com.
Minute-level accuracy of the amount of charge time left in EF DELTA based on the current output level.
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Indicates that the battery temperature of EF DELTA is too low. All inputs and outputs will stop functioning at this
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Indicates that EF DELTA's battery temperature is too high. All input and output functions will stop and the fan will
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Charge devices at 2x the speed using these ports. The USB-A Output Indicator Light will automatically light
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The AC power button controls the AC output of the EF DELTA. The AC power needs to be turned
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Charge devices such as drone batteries, that require a car port. The Car Output Indicator
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Supports a maximum of three 110W solar panels to be connected in series. Do not put more than two
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When the input current continuously exceeds 20A during a charge, the AC charging port will trigger overload
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Press and hold the power button to turn EF DELTA on or off. When EF
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Press DC ON/OFF to turn on or off EF DELTA DC power. The
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Charge devices that require 100-120V AC