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eUSB sofun 4

Swivel 

 

Model

5.5mm 2.5mm

5525R

Acer,Asus,Clevo,HP,IBM

,

Lenovo,Compaq,Gateway,
Fujistu,Toshiba,Advent,MSI,
Hitachi,NEC,Panasonic,
Samsung,Sharp

6.5mm

4.4mm

6544R

Sony

Fujistu

Samsung

 

4529D

Dell 

4.5mm 2.9mm

3011A

Asus

 

3mm

1.1mm

7450D

Dell

 

7.4mm 5mm

3011S

Samsung

1.1mm

3mm

Outer 

Diameter

Inner

Diameter

15-16V

18-20V

2. Choose a proper eUSB charging cable

There are two types of eUSB charging cables, one with 

DC15~16V output voltage, the other with DC18~20V output 

voltage. The bundled charging cable is with DC18~20V output 

voltage (DC 15~16V output voltage charging cable not included 

in this product). Check carefully before using eUSB charging 

cable if the output voltage matches the laptop requirements. 

3. Choose a swivel joint that fits the laptop port

Select eUSB swivel joint according to laptop port specifications

(e.g. model, specifications, suitability). See the table below for 

details:

Do not use DC15~16V charging cable with DC18~20V laptop

Do not use DC18~20V charging cable with DC15~16V laptop

eUSB swivel joints for different laptop models

Joint

Suitable For

Please  select  proper  charging  cable  and  swivel  joints  otherwise

mismatch  between  laptop/ultrabook  charging  voltage  and  eUSB

charging cable output voltage, laptop/ultrabook port specifications

and  swivel  joints  specifications  will  lead  to  improper  functions.

Apple  product  users  can  choose  dedicated  ROMOSS  Macbook

charging  cables,  which  supports  plug-and-use  and  needs  no 

swivel joints. Please contact local distributor for details.

4. Charge laptop with eUSB sofun 4

Connect one end of eUSB charging cable to corresponding 

swivel joints and the other end to the laptop.

Connect the other end of eUSB charging cable to eUSB port

on eUSB sofun 4. Switch it on and the charging process starts.

III. Charging digital products using eUSB sofun 4 (Figure     )

1. Check if the charging voltage of the digital product is 

compatible with the DC5V output voltage of eUSB sofun 4.

2. Use the digital product's original cable, and connect one end

to the digital product, the other end to eUSB sofun 4. 

Connected and switch it on, the charging process starts with

 the working signal lights up.

When using the product, the signal will flicker if the power is 

less than 5% to prompt users that the battery itself needs to 

be charged.

Flashlight function

Press the switch for 2 seconds to turn on the LED flashlight and

 

 another 2 seconds to turn it off.

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