9. Power bank
9.1 Specification:
a. Build in 3000mAh Lithium polymer battery.
b. Micro USB input, USB-A output, can charge mobile phone, tablet PC, PDA, MP3, MP4 and so on.
c. With low voltage and over voltage protection.
d. The DC to DC output efficiency up to 80-95%
e. The power LED indictor shows the remaining power as below table.
9.2 Operation guide:
a. Input: Charge Q903 inside battery by Micro USB (DC 5V), the charging LED glitter during charging.
b. Output: Connect Q903 with other devices like mobile phone by the USB cable, long press the ON/OFF button to turn on
the power bank function, the power LED indicator will show the remaining power.
c. The USB input and USB output can be work at the same time.
d. In order to save power, the power LED indicator will be off after 10 seconds. Short press the button 1 time, the LED will be
on again.
f. If no any operation (no input , no output) for 20 seconds, the power bank function will be off automatically for saving
power.
g. For the first time use, if the power LED glitter, means power is very low, please recharge it before using.
9.3 Attentions:
a. When this product is standby, the power of the built-in battery will automatically release, the normal storage time is around
3 months when this product is fully charged.
b. This product has over charging and over discharging protection, the USB output will be cut off automatically if the battery
voltage is too low.
c. It is normal that there is heat release when this product is charging in or out, which will turn back to the normal
temperature after the charging completed.
9.4 Cautions:
a. Do not use the battery in bathrooms etc. with high humidity or where it may be exposed to water.
b. Do not use or store at places with high temperatures, high humidity or much dust.
c. Do not modify or disassemble the battery.
d. Young children should be supervised to ensure that they do not play with the appliance.
e. Do not throw the battery into a fire.
f. Do not subject the battery to strong impacts and do not throw it.
10. Hardware Specification
Input DC: USB 5.0V 1000mA
Battery Complicity: 3.7V/3000mAh
Charging Time: 4～6 hours
Recording Power: Continuous 180 recording for 1 charge
Recording file format: WAV format
Memory : nand flash 8GB
Recording Sampling Rate:48KHz/16bit
Voice Quality: 192Kbps/64Kbps/32Kbps
Support Recording Time32Kbps/8G/580 hours；64Kbps/8G/290 hours；192Kbps/8G/96 hours
Recoding Distance: Built-in Automatic Gain Control，support up to 10M recording distance.
Frequency: 20Hz-20KHz
Connector: Standard Mini USB Slot
Input Slot: Mini 5pin USB2.0 Full Speed
Flash Light: LED 0.1W
Support System: Windows XP/VISTA/WIN 7
Working Temp: 0℃～+55℃
Storage Temp: -20℃～+80℃
