The vention fhlb0 power bank is a 20000mAh power bank in black, listed with 22.5W fast charging and a slim body. It is aimed at commuters, students, travellers and families in Bangladesh who want phones and other USB devices to stay charged through long days away from a socket. The listing says it can recharge several devices at once.
- About the vention fhlb0 power bank
- Key features
- Specifications
- How to use / set up
- Compatibility and what is in the box
- Who should buy it in Bangladesh
- Alternatives in our store
- Warranty and support
- Delivery, returns and ordering
- Frequently asked questions

About the vention fhlb0 power bank
The vention fhlb0 power bank is listed as a 20000mAh unit, with a battery capacity of 20000mAh / 74Wh (3.7V) according to the listing. When you compare options, that battery figure is the first thing to check, followed by the output ratings in the specifications table further down this page. Capacity alone does not tell the whole story, because the output ratings decide how this vention fhlb0 power bank works with each device you own.
This product is listed in our catalogue as Vention FHLB0 22.5W 20000mAh Power Bank – BLACK. The listing’s model field reads FHL, while the product name reads FHLB0, so the model is not fully confirmed by the listing. If you need an exact model match for a replacement or a gift, check with us before you order. Our team can point you to the listing details that matter most for your device.
The brand is listed as Vention, and the warranty is listed as 7 Days, which we set out in the warranty section below. Colour options in the listing are black and white, and this page covers the black version only. The vention fhlb0 power bank suits anyone who wants one bank to recharge several devices at the same time, as the listing states. For background on how power banks fit into battery charging, see the power bank section of the battery charger article on Wikipedia.
Key features
The features below follow the product listing. Where the listing gives a figure, we repeat it. Where it does not, we say so and leave it out. Each point refers to the vention fhlb0 power bank as the maker presents it.
22.5W fast charging
The listing describes the vention fhlb0 power bank as fast charging, and the product name carries the 22.5W rating. The listing also gives output figures for each port type. For USB-C output it lists 5V-3A, 9V-2.22A and 12V-1.67A. For the USB-A ports it lists 5V-3A, 5V-4.5A, 9V-2A and 12V-1.5A. These are the maker’s listed values. Before you rely on the listed rate, check the input that your phone, tablet or other device accepts, and use a cable you trust. The figures help you match this power bank to your devices, but they do not replace your device’s own guidance.
Dual-way quick charge capabilities
According to the listing, the vention fhlb0 power bank offers dual-way quick charge capabilities. We repeat that claim as the maker presents it, without adding detail the listing does not give. The input values are listed separately for each connection. Micro-USB takes 5V-2A and 9V-2A, while USB-C takes 5V-3A and 9V-2A. That split matters when you recharge the vention fhlb0 power bank itself, because the port you use decides which input values apply. Keep your cable and adaptor matched to the port you are using.
Charging several devices at once
The listing states that the bank can recharge multiple devices simultaneously. It also gives the total output as 5V-3A (Max). Because the total is a single figure, plan which devices you charge together rather than expecting every port to run at its listed rating at the same time. This suits a family sharing one charger at home, a group on a trip, or a commuter who charges a phone and a second device on the same journey. A vention fhlb0 power bank is a practical choice where several people share one charger, provided you keep the total output in mind.
High capacity in a slim body
The listing describes the body as slim and gives the battery as 20000mAh / 74Wh (3.7V). Those are the battery figures to use for planning. The dimensions are listed as 140.2mm height, 68.2mm width and 28mm depth, and the material is listed as PC + ABS. For daily carry, check that these measurements suit the pocket or bag you use. Use the listed figures, rather than impressions, to judge the vention fhlb0 power bank for your bag and your routine.
LED display type and build
The listing names the display type as LED Display. It does not describe what the display shows, so we do not describe it here. Follow the maker’s instructions for using the display on your vention fhlb0 power bank. The material is listed as PC + ABS, and the packaging as a colour box. Keep the bank away from direct heat and high humidity, which are common in Bangladeshi summers, and store it somewhere dry when you are not using it.

Specifications
The table below sets out the specifications of the vention fhlb0 power bank as the product listing gives them. We have not changed any value.
| Specification | Value |
|---|---|
| Brand | Vention |
| Name | 20000mAh Power Bank |
| Model | FHL |
| Color Options | Black / White |
| Interface | USB/USB-C/Micro-USB |
| Battery Capacity | 20000mAh / 74Wh (3.7V) |
| Input (Micro-USB) | 5V-2A, 9V-2A |
| Input (USB-C) | 5V-3A, 9V-2A |
| Output (USB-C) | 5V-3A, 9V-2.22A, 12V-1.67A |
| Output (USB-A 1/2) | 5V-3A, 5V-4.5A, 9V-2A, 12V-1.5A |
| Total Output | 5V-3A (Max) |
| Material | PC + ABS |
| Packaging | Color box |
| Dimensions | Height 140.2mm, Width 68.2mm, Depth 28mm |
These are listed specifications from the product listing.

How to use / set up
Start with the basics. Charge the vention fhlb0 power bank fully before first use, and follow the maker’s instructions for the first charge and for everyday use. Read the listing and any printed guidance before you connect the bank to a device. If you are unsure about anything, ask us before you start.
Next, match your cable to the port. The listing gives USB, USB-C and Micro-USB interfaces, so check which port your device needs before you plug in. Use one device at a time while you learn how your vention fhlb0 power bank responds, then move on to charging several devices together, keeping the total output in mind.
For load-shedding, keep the bank charged between outages. A charged vention fhlb0 power bank can help keep a phone usable during a power cut, although how long that lasts depends on how you use your device. It can help to charge the bank whenever mains power returns, so it is ready for the next interruption.
In Bangladesh’s humidity, store the bank in a dry place, away from direct sun and cooking heat. Avoid leaving it in a hot car or under a pillow, and let it cool down if it feels warm while charging. Keep the ports clean and dry, connect cables gently, and do not force a plug into a port that does not fit easily. These are general care habits rather than maker instructions, so follow the maker’s guidance where it differs.
If you do not use the vention fhlb0 power bank every day, set a reminder to top it up every few weeks. A battery left flat for a long time may take a while to come back to full, so regular top-ups help keep it ready when you need it.
Between trips, keep the vention fhlb0 power bank and its cable together in one place, so you do not have to search for them when the battery runs low. A small pouch or a drawer near the door works well in many Dhaka homes. Check the cable for wear before each long trip, and replace it if the connector looks damaged.
Do not use a damaged cable or a damaged bank. If the casing is cracked, the bank is hot to the touch, or it smells unusual, stop using it and contact us before you continue. Avoid covering the bank while it charges, and keep it on a flat, dry surface.
Compatibility and what is in the box
Compatibility for the vention fhlb0 power bank starts with the ports. According to the listing, the bank uses USB, USB-C and Micro-USB interfaces, and it lists output values for USB-C and USB-A ports. Check that your phone, tablet or other device uses one of these connection types before you order.
What is confirmed: the interfaces, the battery capacity, the input and output values, the dimensions, the material and the colour options, all as the listing states them. What is not confirmed: which specific phone, tablet or laptop models the listing supports, because the listing does not name them. We therefore cannot confirm compatibility with every device on the market.
If you use the bank with an older device, compare that device’s accepted input with the output values listed in the specifications table. If you are unsure, tell us which device you have and we will point you to the relevant listed values.
On the contents, the listing has its own accessory field. This page does not repeat what comes with your order, so ask us which items are included before you buy. A thick phone case can make a cable sit awkwardly in the port, so check the fit before you charge.
Who should buy it in Bangladesh
Commuters in Dhaka often spend long hours away from home. If you travel by bus, rickshaw or Metro, a power bank in your bag can help your phone last between charges. The vention fhlb0 power bank suits this routine because the listing describes it as high capacity and slim.
Students in hostels or shared flats may want one bank for a phone and a second device. The listed ability to recharge multiple devices at once fits that case, provided you watch the total output of 5V-3A (Max). Exam season, when study sessions run late, is another time a charged vention fhlb0 power bank earns its place.
Families during load-shedding can use a charged bank as a backup for a phone or other small devices. Keep the vention fhlb0 power bank charged between outages and store it somewhere cool and dry, so it is ready when the lights go out.
Office workers who spend long hours away from a socket may also find the bank useful for a phone during the day. It is a simple way to keep a device going without searching for a free plug in a busy room.
Travellers going outside Dhaka should plan around delivery times as well. If you want the bank before a trip, order early, since delivery usually takes 2–5 days outside Dhaka. The vention fhlb0 power bank is a sensible option for a trip where you want one charger for several USB devices.
Parents who hand a phone to a child for long journeys may appreciate a bank that can keep that phone going. Pair it with a cable you already trust, and keep cables and small accessories out of reach of very young children.
Riders and drivers who depend on a phone for navigation and orders all day know how quickly a battery can drain. A vention fhlb0 power bank kept secure in a bag or pocket can help, but check how you carry it so that it does not shift or fall while you move.
You may not need it if you rarely leave home and always have a socket close by. Think about how many devices you charge and how often you are away from mains power, then decide whether a bank of this kind fits your routine.
If you need a different style of bank, a wireless option or a different capacity, compare the alternatives below before you buy.
Alternatives in our store
If you are still comparing options for the vention fhlb0 power bank, start with Vention 4800mAh Power Bank 22.5W – White, another power bank in our range. Momax Q.Mag X Magnetic Wireless Power Bank 5000mAh – Golden is also a power bank in our range. You can also consider JR-PBF20 25W Fast Charge 10000mAh – Power Bank, another power bank in our range, or VENTION I15BB-V2 20000mAh 22.5W Power Bank with Built-in USB-C & Lightning Cables – Black, a second power bank from our range. Browse the full selection in our Power Banks category.
Warranty and support
Warranty: 7 Days seller warranty.
Delivery, returns and ordering
Ordering the vention fhlb0 power bank is simple. We deliver all over Bangladesh and you pay cash on delivery. Delivery usually takes 1–3 days inside Dhaka city and 2–5 days outside Dhaka.
You can return the vention fhlb0 power bank within 7 days of delivery, as set out in our Delivery & Returns policy. Full details are on our Delivery & Returns page.
Questions before ordering: call 09638054751, message us on Facebook Messenger or email care@gadgetsuperb.com.
Before you order, check the colour and the interface you need, and make sure your delivery address and phone number are complete so our team can reach you. Because you pay cash on delivery, have the amount ready when the vention fhlb0 power bank arrives.
If you are outside Dhaka, factor the 2–5 day window into your plans and keep your phone number active so that delivery can reach you. If something seems wrong on arrival, contact us within the 7-day return window so we can talk through the options with you under the policy.
Frequently asked questions
Is the vention fhlb0 power bank 20000mAh?
Yes, the listing gives the battery capacity of the vention fhlb0 power bank as 20000mAh / 74Wh (3.7V).
What charging speed does the vention fhlb0 power bank list?
The listing names 22.5W fast charging, with dual-way quick charge capabilities as the maker lists them.
Can the vention fhlb0 power bank charge two devices at once?
According to the listing, it can recharge multiple devices simultaneously, with a total output of 5V-3A (Max).
Which ports does the vention fhlb0 power bank use?
The listing gives the interface as USB/USB-C/Micro-USB.
What colours does it come in?
The listing gives black and white. This page covers the black version of the vention fhlb0 power bank.
Does the vention fhlb0 power bank have a warranty?
Yes, the listing gives the warranty as 7 Days seller warranty.
Can I return it?
Yes, you can return it within 7 days of delivery under our Delivery & Returns policy.
Do you deliver outside Dhaka?
Yes, we deliver all over Bangladesh, and delivery usually takes 2–5 days outside Dhaka.
How long does delivery take?
Delivery usually takes 1–3 days inside Dhaka city and 2–5 days outside Dhaka.
Can I pay cash on delivery?
Yes, you pay cash on delivery when we deliver all over Bangladesh.
How do I ask a question before ordering?
Call 09638054751, message us on Facebook Messenger or email care@gadgetsuperb.com.
Is the model number of the vention fhlb0 power bank confirmed?
Not fully. The listing’s model field reads FHL while the product name reads FHLB0, so check with us before you order.
















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