User's Manual

Devices that charge through a USB-C port, such as a MacBook Pro, Android phone, or other devices can be

charged by the EF DELTA USB-C port. The USB-C Output icon will appear on LCD Display when a USB port

is in use.

3. USB-C Output Ports

The USB-A Output Indicator Light will automatically light up when a USB-A port is in use. Fast charge-en-

abled devices can be charged at a maximum speed of 28W. If your device does not support fast charging,

the device will charge in regular speed.

5. Fast Charge USB-A Output Ports

Press and hold the power button to turn 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. 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. Power ON/OFF Button

The AC power button controls the AC output of the EF DELTA. The AC power needs to be turned 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 o 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 o automatically. In addition, for users in selected countries,

please press and hold AC ON/OFF for 15s to switch between 50 and 60Hz.

7. AC ON/OFF Switch (PRESS & HOLD for ON/OFF)

The fans prevent EF DELTA from overheating.

8. Ventilation Fans

Charging devices that need car ports to be charged, such as drone batteries. The Car Outlet Indicator Light

will automatically light up when the car port is in use.

10. Car Outlet & Car Outlet Indicator

Charging devices that require 100-120V AC (230V for 220-240V edition) wall chargers to be charged，

such as laptops, TVs, mini refrigerators, vacuums etc,.

9. 6 AC Output Sockets (100-120V reigon) / 4 AC Output Sockets(International

Version 220-240V)

Press DC ON/OFF to turn on or o EF DELTA DC power. The 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 o after 24 hours of not

using it. If you want to extend your standby time to 24 hours, turn the DC button on.

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

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