
Power Bank with LED Display,
7800 mAh
Manual
31891

SPECIFICATION
Power Bank 31891
Capacity: 7.800 mAh
Battery: lithium-ion
Input: 5V DC 1A
Output 1: 5V DC 2.1A
Output 2: 5V DC 1A
Charging time: approximate 8 hours
Cycle life: ≥ 500 times
Dimension: 76*76*22mm
Weight: 200g
OVERVIEW
Power Bank 31891
1. Input port
2. Output port 2
3. Output port 1
4. Power Button
5. LED Power Indicator
Press the power button to track the remaining battery capacity
0 - 5% = “LO“ (Low)
6 - 98%
99-100% = “FU“ (Full)

USE
Power Bank 31891
Getting Started
Charge the 31891 until the LED power indicator shows “FU” (Full). This may
take up to 8 hours and will fluctuate depending on the charging power source.
1. Charge 31891
Important: Charge your 31891 the initial time for a full 10 hours before regular
use. After the initial charge, normal charging will take approximate 8 hours.
Using the supplied USB charging cable, plug the micro USB tip into 31891
input port (shown as above). Then insert the USB connector into a computer or
into an AC power source with a USB charging adapter (31803, 31808, 31809).
During being charged of the 31891, the LED power indicator will turn on. When
the power bank gets fully charged, the LED power indicator shows “FU” (Full).

Charge your Personal Electronic Device
Important: Please check for voltage compatibility with your device prior to
using.
Using the supplied USB cable, plug the standard USB connector end into the
31891 output port (shown as above), insert the appropriate provided tip into
your electronic device (You may also use your own USB cable that was
supplied with your personal electronic device.), press the power button to start
charging your personal electronic device. The LED power indicator will turn off
automatically when the power bank is out of power
.
SAFETY PRECAUTIONS
Power Bank 31891
Read all safety information below and operating instruction before using this
power bank to avoid possible injury and damage to your device. We assume
no responsibility for damage to charged devices due to improper operations of
this power bank.
1. Do not drop, disassemble, open, crush, bend, deform, puncture, shred,
microwave, incinerate, paint, or insert foreign objects into this device.
2. Check the voltage of your device for correct compatibility with this power
bank.

3. Store and operate between 0℃-45℃ (30℉-113℉). Keep the product
away from any heat sources. Temperatures over 60 degree may cause
damage.
4. Do not expose this product to moisture or submerge it in liquid. Keep it dry
all the time.
5. Recharge the product every 3 months when not in use.
6. It is normal if the product gets warm when being charged or used. However,
please pay special attention if the product becomes excessively hot. This
may indicate there is a problem with the charging circuit of electronic
device. Please consult a qualified technician if necessary.
7. Disconnect the device after charging from the power source.
8. Always keep the product out of reach of babies and children, in order to
avoid any dangerous situation happened.
DISCLAIMER
Power Bank 31891
This charge is meant for using only in conjunction with the appropriate mobile
entertainment device. Please consult your device packaging to determine
whether this charge is compatible with your particular mobile entertainment
device. We, the manufacturer, are not responsible for any damages to any
mobile entertainment device incurred through sue of this product.
Notes on Environmental Protection
Power Bank 31891
Electrical and electronic devices must not be disposed of with domestic waste.
Consumers are obliged by law to return electrical and electronic devices at the
end of their services lives to the public collection points that are set up for this
purpose or designated point of sales.