mi VXN4254GL 50W Power Bank User Manual
- June 5, 2024
- Mi
Table of Contents
mi VXN4254GL 50W Power Bank
Product Overview
Thank you for choosing the Mi 50W Power Bank 20000. This product is a high-
capacity portable charger that uses a high-quality lithium-ion polymer cell
and a charge and discharge chip with excellent performance in terms of safety,
efficiency, and compatibility.
Notes:
The battery level check button is not a power button. The power bank
automatically detects charging and discharging.
- Safety: The power bank is provided with safety functions to prevent overcharging, over-discharging, overheating, and short circuits in any working condition.
- Efficiency: Supports 50 W max. charging.
- Compatibility: Built-in smart USB charge controller, compatible with mainstream mobile phones and digital devices
- Quality: High-quality lithium-ion polymer battery, charging and discharging chips.
Charging
Connect the Mi power adapter and cable to the power bank’s Type-C port to
charge it. The indicator shows the following charging conditions:
Discharging
Connect your device to the power bank to charge it. The indicator shows the
following discharging conditions:
When charging a laptop with a Type-C port, use a Type-C to Type-C cable to connect to the Type-C port of this product. Low-current Discharge: When the power bank is not charging, double press the battery level check button to enter low-current discharge mode. In this mode, it can be used for charging small devices such as Bluetooth headsets and smart bands, and the indicators will be lit one by one. To exit the low-current discharge mode, press the battery level check button. The device will automatically exit this mode after two hours.
Warning
Improper use may result in battery failure, overheating, and even fire or
explosion. To ensure your safety and minimize the risk of personal injury and
property damage, please observe the following precautions:
- This power bank is not a toy. Please keep it away from children. Do not let children use or play with this power bank so as to avoid accidents.
- Make sure you use a charger that complies with the local safety standards when charging this product, in order to prevent an electric shock or damage to the battery.
- Do not expose this power bank to pressure, impact, strong vibrations, or liquids. Any of these occurrences may lead to a short circuit or cause damage to the battery or its electrical circuit. When this happens, stop using the power bank immediately, and dispose of it in a proper manner.
- When this power bank becomes swollen, deformed, starts to leak, or its capacity is significantly reduced, please stop using it immediately and dispose of it in a proper manner.
- Do not charge or discharge this power bank in places where its heat dissipation may be affected, such as in your pants pocket, a closed bag, or on a bed or sofa. Make sure that the power bank is not covered by clothing, pillows, bedding, or other miscellaneous items during this process. When charging other devices for a long time, do not stack this power bank with other devices including phones to ensure better heat dissipation.
- Do not disassemble, puncture, strike, or short circuit this power bank. Never expose this power bank to liquids, fire, and other heat sources such as stoves, heaters, or environments with ambient temperatures higher than 60°C (140°F).
- When it is hot, do not leave this power bank in a car or other place that is exposed to direct sunlight.
- This power bank contains a lithium-ion polymer battery. Do not open its casing under any circumstance to avoid battery damage or safety hazards.
Precautions
-
Please fully charge this power bank before using it for the first time.
-
Use an appropriate charger and USB cable (Mi brand products are recommended) when charging the power bank or using it to charge other devices.
-
Do not leave this power bank unattended while charging, and unplug it from the power supply before going out or leaving it unattended for a long time.
-
Once this power bank is fully charged, or after it is used to fully charge another device, unplug the charging cable in a timely manner to prevent damage.
When the battery level is not displayed after pressing the button, it may be because the power bank is in protective mode. Try plugging in an external charger to restore the power bank. -
When not using this power bank for a long time, please keep its battery level in the range of about 25–50%, and store it in a cool and dry environment. Avoid long-term storage when the power bank is fully charged or empty, so as to extend its battery life.
-
When using this product to supply power to high-power appliances such as laptops, it is recommended to use it at an ambient temperature of 5~30°C.
Illustrations of the product, accessories, and user interface in the user manual are for reference purposes only. The actual product and functions may vary due to product enhancements.
Specifications
- Model: PB2050SZM
- Cell Type: Rechargeable lithium-ion polymer cell
- Cell Capacity: 20000 mAh 3.7 V 74 Wh Rated Capacity: 12000 mAh (5 V/4 A) Input Port: Type-C Output Port: USB-A/Type-C
- Input: 5 V=3 A 9 V=3 A 12 V=3 A 15 V=3 A 20 V=2.25 A
- Output: 50 W Max.
- USB-A (Single Port): 5 V=3 A 9 V=2.23 A 12 V=1.67 A 10 V=2.25 A Max.
- USB-A (Dual Port): 5 V=3 A
- Type-C: 5 V=3 A 9 V=3 A 10 V=5 A 12 V=3 A 15 V=3 A 20 V=2 A
- Triple Port: 5 V=4 A 9 V=3 A 10 V=5 A 12 V=3 A 15 V=3 A 20 V=2 A
- Operating Temperature: 5°C to 35°C
- Item Dimensions: 15.35 cm × 7.35 cm × 2.75 cm
Charging Time
- Approx. 11 hours (Using a 5 V/2 A charger*)
- Approx. 6.5 hours (Using an 18 W charger*)
- Approx. 4.5 hours (Using a 45 W charger and the USB cable included) Charger is not provided with the power bank.
- It is recommended to charge with the provided USB cable.
EU Declaration of Conformity
The manufacturer hereby, declares that this equipment is in compliance with the applicable Directives and European Norms, and amendments. The full text of the EU declaration of conformity is available at the following internet address: http://www.mi.com/global/service/support/declaration.html.
WEEE Information
All products bearing this symbol are waste electrical and electronic equipment
(WEEE as in directive 2012/19/EU) which should not be mixed with unsorted
household waste. Instead, you should protect human health and the environment
by handing over your waste equipment to a designated collection point for the
recycling of waste electrical and electronic equipment, appointed by the
government or local authorities. Correct disposal and recycling will help
prevent potential negative consequences to the environment and human health.
Please contact the installer or local authorities for more information about
the location as well as the terms and conditions of such collection points.
Federal Communications Commission Supplier’s Declaration of Conformity
This supplier’s declaration of conformity is hereby for
- Product: Mi 50W Power Bank 20000
- Model Number(s): PB2050SZM
- Brand/Trade: Mi
We declare that the above-mentioned device has been tested and found in compliance with CFR 47 Part 15 Regulation. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference,
- This device must accept any interference received, including interference that may cause undesired operation.
NOTE:
This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more
of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Responsible Party – U.S. Contact Information
- Company: Tekmovil LLC
- Address: 601 Brickell Key Dr #723 Miami, Florida 33131, USA
- Country: U.S.A.
- Telephone No.: +1 312-282-5246
- Internet contact information: [email protected].
Representative of Responsible Party for SDoC
- Company: Zimi Corporation
- Address: A913, No. 159 Chengjiang Road, Jiangyin, Jiangsu, China
- Country: P.R.C
- Telephone No.: +86 (0)25 8715 6360
UK declaration of conformity
We Zimi Corporation hereby, declare that this equipment is in compliance with
the applicable legislation. The full text of the UK declaration of conformity
is available at the following internet address:
https://www.mi.com/uk/service/support/declaration.html.
Anti-counterfeit Label Instructions
Each Mi 50W Power Bank 20000 comes with an anti-counterfeit label on the outer
package. Scratch the anti-counterfeit coating and enter the security code on
www.mi.com/verify, to check the authenticity of the product.
Scratched-off Coating
- Importer:
- Beryko s.r.o.
- Na Roudné 1162/76, 301 00 Plzeň www.beryko.cz
- For further information, please go to www.mi.com
Manufactured for: Xiaomi Communications Co., Ltd. Manufactured by: Zimi Corporation (a Mi Ecosystem company) Address: A913, No. 159 Chengjiang Road, Jiangyin, Jiangsu, China
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