Specs:
Light and Small
- Dimensions: L138*W62*H21.5mm
- Weight: 445g/15.7ozs
- it is very convenience to take it out

High Capacity - Long Lasting
- Capacity: 10400mAh
- Type: Lithium ion (Li-Ion)
- Input Charging Time ~12 hrs 
- Life Cycle > 500 Times
- Input: DC5V 3A MAX Max
- Output: USB1:DC5V 1A USB2:DC5V 2.1A

Use the battery to charge smart phone or digital and electronic devices:
-Check whether charging voltage of digital and electronic device is matched with output voltage (DC 5V) of the battery.
-Connect one end of the original cable with consumer electronics, and the other of cable with the battery, press button on the battery and start to charge.
 Note: The included Romoss micro charging/data cable can be used with those micro USB devices, such as Samsung/HTC/LG Android phones. When charging the Apple products like iPhone 4S, please pair with the original Apple USB cable.

How to charge:
-When the battery is used and the power is lower than 5%,  which indicates the battery is under low power and requires charging.
-Select Romoss micro USB charging/data cable or original micro USB cable, connect micro USB connector to micro USB input port of the battery; 
-Connect USB connector of cable to USB port of PC or DC 5V USB charger, and LED power indicator of so fun 4 keeps flickering to indicate the charging status.
-If all the 4 LED power indicators go on, it indicates the battery is fully charged. After being full charged, these 4 lights keep lit for a moment and then turn dim. 
 Please remove the power source after full charging.