Shenzhen E-Dream Technology Co., Ltd.
Main products:charger,power bank,screen protector,mini speaker
Contact Us
  • Contact Person : Ms. Ding Rachel
  • Company Name : Shenzhen E-Dream Technology Co., Ltd.
  • Tel : 86-755-36628738
  • Fax : 86-755-36628738
  • Address : Guangdong,Shenzhen,Room 721, Block B, Huafeng Mingyou Industrial Park, Baoan District, Shenzhen
  • Country/Region : China
  • Zip : 518103

Emergency charger external battery for iphone 4

Emergency charger external battery for iphone 4
Product Detailed
1. Light and portable 2. Low consumption 3. Free visual for capacity 4. LED flashlight 5. Safe protection

Emergency charger external battery for iphone 4 


1. Low consumption-static power consumption is low

2. Pocket size-easy to take on the go

3. LED flashlight-2 in 1 ( power bank and flashlight)

4. Free visual  for capacity-intelligent capacity indication, press showing

5. Safe protection-over-charge, over-discharge, over-current, short-circuit protection etc


Product features

1.Take environmental high-quality cell, the capacity is higher than 82% after 500 times cycled charge/discharge.

2.Data transmission and intelligent USB switching power charging function. Products connect IPHONE with computer to charge (or when data transfer) is directly from the computer USB power to charge cell phones, the computer USB power will automatically switch to recharge the inside battery of the product. after mobile phone get full of power .Thereby increasing the battery life-span doubled.

3.The product have the function to stop charge IPHONE when it be charged with full  of power.

4.LED indication of charge/discharge.

5.Press button to check capacity with LED.

6.Super low – consumer:sleep consume under than 10uA.

7.Intelligent protection:over-charge, over-discharge, over-current, short-circuit protection etc.

8.Intelligent recognition  to open discharge mode

9.Portable LED light design

Electric performence















Used for

iPhone 4 , iphone 4s

Charge time

About 5 hours(Use computer USB )


one 75cm cable 


Lithium-Polymer Battery -Rechargeable

Cycle life

Approx. 500 times



Over Current/ Over Charge/ Over discharge and Short Circuit Protection

Applicable products and user instructions

1. Applicable products: iPod/iPhone series’ products

2. Temperature Scope

Charge temperature        0 °C~55 °C        (the best scope 5 °C~30 °C)  

Discharge temperature  -10 °C~55 °C     (the best scope 5 °C~30 °C)

Storage temperature       0°C~50 °C

3. Charge it with PC USB or AC adaptor

1)Connect USB cable (USB-iPod connector) with input port of battery

2)Connect the other side of USB cable with PC USB port, or with adapter with USB port, turn on PC or plug in the adapter.

3)LED on according to the capacity during charging, all out when full.

4)The charging time is related to the diameter of the USB cable. 

4. Discharge to iPhone

1)plug the battery charger into iPhone, turn it on and it starts charging.

2)When the charging operation is on, led light will show the power level. The battery is flat when the led light goes off.

3)When the iPhone is fully charged, the charger will be off automatically

4)While the charging of iPhone is on, press the CHECK button to on or off the LED light

5. Turn on the LED light

When turn on the LED light, long press the ON/OFF switch on the back of the product  more than 2 min, then the LED will be turned on and light., long press the switch more than 2 min again, the LED light will turn off.


1.Please charge this portable battery with our original USB cable or iPod/iPhone original. Or it maybe damaged.

2.Please charge full this portable battery before first usage.

3.Forbidden drop, strike, disassemble or open it to mend it.

4.Forbidden put it in water or humid environment.

5.Forbidden put it in fire or store it in too high/low temperature environment.

6.Forbidden children play with it.

7.Forbidden use it around flammable gas.

8.Forbidden use it under caustic environment.

9.Forbidden charge for it when less than0°C or higher than 55°C 


There are chemistry material inside battery. The activity and life will be different according to environment and usage status. That will be better if charge and discharge it for 3/5 times before using. It can active the material, and prolong the life. The times of discharge more, the lower of activity, the less of cycle life.

Emergency charger external battery for iphone 4

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