
Ultra Slim 4000mAh Power Bank
User Manual
Specification
Battery Type Polymer Lithium-ion battery
Capacity 4000mAH/3.7V
Input DC5V 1A
Output DC5V 1A
Dimension 65 x 115 x 9mm
Weight Approx 133g
Charging time Approx 6 hours
Compatible with Cameras, iPods, iPhones, iPads, PSP,
Smartphones etc...
Usage Instructions
Power On: Press the Power On/Off button until the capacity indicators light up.
Power Off: Pull the plug and the power bank supply will stop charging. The unit will
automatically power down into standby mode after 16 seconds.
Capacity Indication: Press the On/Off button to show the remaining battery capacity.
Blue Lights (Qty)
●●●● o●●● oo●● ooo●
Remaining
Capacity
Approx 100% Approx 75% Approx 50% Approx 25%
Note: the device has circuitry that protects the battery from overcharge damage.

Recharging: Use the USB adapter or computer to charge the power bank, as shown
below:
Blue LED lights
● Flashing ●●●● Full blue lights
Remaining capacity Still charging Fully charged
Caution: The battery is running out when you press the Power On/Off button with no
response. Please recharge the device as soon as possible when this occurs.
Important: Please power on before charging other devices. Please fully charge the device
at least once every 3 months to avoid potential damage to the battery.
Warning: Never dispose of this device in a fire. Do not disassemble, open, crush, bend,
deform, puncture, shred or submerge this device. Do NOT attempt to dry this device with
an appliance or heat source such as a hair dryer or microwave oven.
Children should be supervised when using this device.
Avoid dropping this device on a hard surface.