4400mAh external Iphone 4S battery backup mobile power bank with LED light power indicator

4400mAh external Iphone 4S battery backup mobile power bank with LED light power indicator

A. Power supply

1. Take this product in hand, turn the switch to "ON".

2. Connect this product to low battery device with USB cable. For example, when an iPhone or an iPad is low battery, directly insert USB plug to the USB interface of this product, then insert the other side to iPhone or iPad and charging starts immediately.

3. Choose a suitable adapter connector before charging GPS, smart cell phone, MP3/MP4, PSP, NDSL. and insert the right adapter connector into USB cable. Then connect this product to the low battery device with USB cable.

4. There is battery indicator in this product, and flashing light(s) shows battery remaining power:

4 lights flash    remains 100%-90%

3 lights flash    remains 70%-60%

2 lights flash    remains 50%-40%

1 light flashes   remains 20%-10% (Low battery, should charge immediately)

5. Remove USB cable from the device after finishing charging, then turn the switch back to "OFF".

B. Lighting function

1. Turn the switch to "LED", this product is a LED lightening device now.

2. The brightness of this smart product is adjustable. By turning switch(From "LED" to "OFF", then back to "LED") in 2 seconds, brightness is adjusted.(From hard light to dim light.)

C. Product charging time FYR

Voltage: 5V-5.5V

Current: 200mA  charging time 24 hours

Current: 500mA  charging time 10 hours(PC USB output current is usually 500mA)

Current: 800mA  charging time 6 hours

Current: 1000mA  charging time 5 hours

D. Specification

Input voltage: 5V-5.5V                   Input current: 200mA-1000mA

Output Voltage: 5V(±0.2V)              Output current: 50mA-1000mA

Battery cells specification: 3.7V/4400mAh

Charging temperature: 0℃-45℃         Operation temperature: -10℃-50℃

E. Charging operation steps

1. Turn the switch to "OFF"(At this time, charging is the most efficient). Take connection cable, and insert MICRO adapter connector to DC IN interface of this product. Connect the other side of USB cable to computer or other charger/adapter with USB interface to charge this product.

2. LED light will flash one by one during charing, 4 LED lights will turn themselves off after finishing charging. Remove the USB cable and put it in right place after charging.