Page 1
EN
LED Signal
Battery
1st signal lights up
0~25%
1st, 2nd signals light up
25~50%
1st, 2nd, 3rd signals light up
50~75%
1st, 2nd, 3rd and 4th signals light
75~100%
C4
Powerbank
cubearray.com
Instructions
Charging C4 (Figure 1/ Figure 2)
1. Use original USB data cable and connect micro USB to
micro USB port on C4.
2. Connect USB cable to USB port on DC5V USB charger or
computer. If LED signal flickers, it means C4 is being
charged.
3. Four LED power indicators lights on, indicates that C4 is
fully charged.
Charging digital product with C4 (Figure 3)
1. Check if the charging voltage of the digital product is
compatible with the DC5V output voltage of C4.
2. Use the digital product's original cable, and connect one
end to the digital product, the other end to C4. Press the
button, LED power indicators lights on for 5 seconds then
light off, the digital product will be charged automatically.
Check residual capacity
Press the button, LED power indicators lights on for 5
seconds then light off.
Instructions figures
Residual capacity indicator
User Manual
Thank you for using our products.
Please read the instructions carefully
before using the product. Follow the
instructions and use it properly.
Please pull out power supply after
recharging fully.
Page 2
EN
Product appearance
Accessories
USB cable User ’s manual
Product features
Supporting most DC5V USB input smartphones, tablets, MP3, MP4
and other digital products charging.
8000mAh super-high Lithium-Polymer battery
9.9mm depth, 180g weight
Slip and Shock-proof and extremely endurable; take with you
without worries
Can charge all 5V digital devices, perfectly matches all
smartphones and most tablets
Intelligent multi-level protection ensures safety and reliability
Highly efficient voltage booster circuit, actual power output is
10% higher than ordinary products
Alloy plastic structure ensures ruggedness
Smart sleep mode helps save power and prolongs endurance
Two USB ports allow simultaneous charging of two
smartphones
Specifications
Cautions
Name
C4
Model
PB-C4
Capacity
8000mAh
Weight
~180g
Input
DC5V 1A MAX
Output
Output 1: DC5V 1A MAX; Output 2: DC5V 2.1A MAX
Size
~L 146 x W 70.5 x H 9.9mm
Charging time
8 hours
Batte ry type
Lithiu m-Polymer
Ambient temperature for Use
Charging 0℃~45℃;
discharging - 10 ℃~60℃
Environm ent for S torage
-20℃~60℃
The ele ctric al core will have 85% c apacit y left after 5 00 cycles .
(Fr om fully c harge d to full y disc harge d is a cycl e)
1．Charge the product itself before using it to charge other
products.
2．Do not place or use the product in very hot or humid
environment; do not place or use it in direct sunlight (ambient
temperature for use: charging 0℃~45℃; discharging 10℃~60℃; ambient temperature for storage -20℃~60℃).
3．Do not throw this product into fire or water, so as to avoid
possible fire and explosion.
4．Please keep the product out of the reach of children.
5．Do not use it when nobody is around.
6．Do not dismantle or assemble the product yourself; the
product does not have any parts that need users to disma ntle,
assembly or maintain themselves.
7．Do not shake it, tap it or hit it.
8．Do not use it if any liquid leaks out of the product. If the
liquid goes into your eyes, do not rub your eyes, but quickly
flush your eyes with running water. If necessary, go to see a
doctor.
9．It is normal that the product gets hot under proper
operations. Please use with care when using or finishing using
the product.
10．Original transmission cables and connectors are required
for all operations. Use of non-original products may lead to
severe or deadly injuries or monetary loss.
11．Do not use paper or other objects to cover or shield the
product, which may affect heat dissipation and cooling.
12．Check the voltage before using the product, so as to
avoid unnecessary damage to the product caused by improper
use under inaccurate voltage or power.
13．Please charge and discharge the product once every
three months. if it is not used for a long time. This can ensure
the life cycle of the product.
14．Once discharged, please recharge the product fully so as
to prepare for later use, for example, for charging digital
products.
15．Unplug the power cable when not using the product, so
as to avoid injury or property loss.
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