Choetech B664 Power Bank User Manual

October 30, 2023
CHOETECH

B664
User Manual

B664 Power Bank

Dear customer,
Thank you for purchasing our product. Please read the following instructions carefully before first use and keep this user manual for future reference. Pay particular attention to the safety instructions. If you have any questions or comments about the device, please contact the customer line.
www.alza.co.uk/kontakt
✆+44 (0)203 514 4411
Importer Alza.cz a.s., Janko Cova 1522/53, Holozoic, 170 00 Prague 7, www.alza.cz

Package List

1 x 50000mAh Power Bank, 1 x Use Manual

Specifications

Battery Capacity 50000mAh (185Wh)
USB-C Input 5V 3A, 9V 3A, 12V 3A, 15V 3A, 20V 3.25A (65W Max)
Micro Input 5V 2A, 9V 2A, 12V 1.5A (18W Max)
USB-C Output 5V 3A, 9V 3A, 12 3A, 15V 3A, 20V 3.25A (65W Max)
USB-A Output 5V 3.4A
USB-A2/USB-A3 Output 5V 3A, 5V 4.5A, 4.5V 5A, 9V 2A, 12V 1.5A (22.5W Max)
USB-C +USB-A1 + USB-A2 + USB-A3 5V 4A (20W Max)
Total Output 65W (Max)
Lights Three Gears

Product Diagram

Choetech B664 Power Bank - Diagram

  1. Power Button
  2. Power Display
  3. USB Output 1: 5V/34.A
  4. USB Output 2: Support 22.5W super fast charge
  5. USB Output 3: Support 22.5W super fast charge
  6. USB-C 65W Input/65W Output
  7. Micro: 18W Input
  8. LED Searchlight

Note: Double port of four port output is 5V/4A.

Battery Indicator Instructions

  1. Charging display (display of electric quantity when charging the mobile power supply with external standby power supply): The digital tube indicates the current electric quantity by increasing the electric quantity by 0% to 100%, and the percentage will blink when charging, and it will stop flashing and turn on when reaching 100%.

  2. Discharge display (use mobile power to charge or power devices such as mobile phones and table computers):
    The digital tube indicates the current electric quantity by decreasing the electric quantity by 100%-0%, and the percentage will blink when the electric quantity is low.

  3. Quick charging status display:
    When charging the mobile power supply (or mobile phone), if the current charging state is fast, the display screen will light up “FAST”.

Charge the power bank

Choetech B664 Power Bank - power bank

Power bank charge to mobile phones and tablets

Choetech B664 Power Bank - Power bank charge

Precautions and Safety Warnings

  • Please fully charge the product for the first time.
  • When charging this product or using this product to charge other devices, please select the appropriate charger and USB cable by yourself.
  • Make sure someone is present when charging this product, and unplug the power when you are out or leave for a long time.
  • When the product is fully charged, or when the product is fully charged to other devices, please unplug the cable in time to avoid the loss in the connected state for a long time.
  • If there is no power indication after pressing the button, the product may be in a protected state.
  • When the product is not use for a long time, please keep the power of the product in the range of 25%-50% and store it in a cool and dry environment. Avoid storing the product for a long time in a fully charged or uncharged state to prolong the battery life.
  • When using this product, it is recommended to use it within the ambient temperature of 5°C~30°C.

Improper use may lead to battery failure; serious heating, even fire and explosion! To avoid harm to you and your property, please strictly follow the requirements to store and use this product:

  • Be sure to use a charger that meets local safety standards (such as China 3C certification standards) to charge this product to prevent electric shock or damage to the battery.

  • Do not press or knock the product heavily and avoid serous drops or strong shocks to the product. If these happen, or if liquid penetrates/spills inside the product, it may cause damage to the battery, circuit or short circuit, please stop using it immediately
    and dispose of it properly.

  • If the product is bulging, deformed, leaking, or has a significant decrease in capacity, stop using it immediately and dispose of it properly.

  • Do not place this product in a pocket of clothes or pants, in a closed bag, on a bed or sofa, etc. where it may affect its heat dissipation. Make sure that this product is not covered by clothes, pillows, bedding or other miscellaneous objects when charging other devices such as cell phones for a long time, and do not stack this product with other devices such as cell phones to ensure good heat dissipation of cell phones and other devices.

  • It is strictly prohibited to disassemble, squeeze, puncture, short-circuit the product or put it into water of fire (including near heat sources such as stoves and heaters) pr expose it to temperatures higher than 60°C (140°F). In hot weather, do not leave this
    product outside in an unoccupied car or in other sunny places.

  • This product contains lithium batteries, it is strictly forbidden to disassemble the shell of the product to avoid battery breakage or other dangers.

EU Declaration of Conformity

Choetech B664 Power Bank - icon1 This equipment is in compliance with the essential requirements and other relevant provisions of EU directives.

References

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>

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