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IV. Application of product
The product is compatible with mobile devices, equipped with microUSB connector. It is also possible to use other
cable adapters with USB2.0 connector, as e.g. for tablets, mobile phones, e-book readers and other devices
running on Android, Windows Phone, iOS systems. (Portable game consoles, MP3, MP4 music players, electronic
e-book readers, GPS navigations).
Plug & play, automatic power safe mode - if no device consume energy; the Power bank shall go to sleep
automatically. (Warning: Valid only for models with Auto-sleep function.)
Power bank contains: protection against short-circuit, excessive battery charge and discharge, high efficiency of
conversion and protection against energy leakage.
If the voltage of Power bank battery is lower than the nominal voltage of charging device, this device may not be
fully charged or not charged at all.
If the output voltage of Power bank battery is higher than the nominal voltage of charging device and for any
reason it is impossible to protect the recharged device, it may result in overloading and damages to the battery or
device itself.
V. Product description
1. On/OFF button.
2. Capacity indicator - pressing ON button for 1-5 seconds the LED indicator lights up showing the charge status.
Battery status:
LED indicator ( ● charged ○ discharged)
Capacity
●●●●
75%~100%
○●●●
50%~75%
○○●●
25%~50%
○○○●
Less than 25%
3. 1x USB port for connection of charged device (DC 5 V/2.4 A).
4. microUSB port for charging via charger (DC 5 V/2 A).
The packaging includes microUSB -> USB cable, Power bank and manual with Warranty card.
VI. Recharge of Power bank battery
1. Connect the standard USB -> microUSB cable to PC or USB adapter, e.g. supplied with mobile phone.
2. Connect microUSB connector to Power bank. The charging begins automatically or must be actuated using the
ON/OFF button.
3. In the course of charging the battery starts flashing. When fully charged, the LEDs will stop flashing and all four
LEDs will light. When the battery charging condition makes at least 25%, one LED only shall light, at 50% two LEDs
and with at least 75% three LEDs will light.
Information about battery:
Model B-4000
– Li-Pol (4 000 mAh)
Number of charging/discharging cycles
– ≥ 500 times
Duration of charge -
B-4000: to 10 hours
- duration of charge depends on used power supply adapter.
Actually usable battery capacity may vary from the indicated. The device suffers losses on the PCB, wiring and
changing the voltage of 3.7 V to 5 V output, and so on connected devices.