The Vention I15BB-V2 is a 20000mAh power bank listed with 22.5W output, built-in USB-C and Lightning cables and an LED battery percentage display. It is aimed at people who want a portable charger for phones, tablets and other USB-powered devices, including Dhaka commuters, students and households that face power cuts.
- Overview
- Key features
- Specifications
- How to use and 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

Vention I15BB-V2 overview for Bangladeshi buyers
The listing describes the Vention I15BB-V2 as a high capacity power bank with a 20000mAh battery for long-lasting power backup. Power cuts and load-shedding are part of daily planning for many households in Dhaka, so a charged unit gives you a buffer you control. The same reserve can help on a long commute or on days when there is little chance to plug in a phone.
The Vention I15BB-V2 also has built-in USB-C and Lightning cables, so you can charge a compatible phone without carrying a separate lead. The listing adds Micro-USB, USB-C and two USB-A ports, which gives one unit room for several devices. For buyers who want one power bank for a phone, a tablet and a small accessory, the Vention I15BB-V2 is a practical option to compare with other units in our range.
Before you order, check the model number. The listing gives the model as I15BB-V2, and the product name carries the same model with 20000mAh capacity and 22.5W output. Confirm your model before you order, because similar product names can differ in model details. Think about how many devices you charge and how far you travel from a socket, then decide whether this unit fits your routine. For general background on how these units work, read the general guide to power banks.
Key features
High capacity for long backup
The listing gives the Vention I15BB-V2 a 20000mAh battery and describes it as a high capacity unit for long-lasting power backup. The battery is listed as 3.7V/74Wh, according to the listing. How many times the Vention I15BB-V2 can recharge a phone depends on that phone’s battery, the cable you use and how much power the device draws, so treat any estimate as approximate. Charge the unit fully before a trip, and note the battery percentage before you leave home. For a day out in Dhaka, that simple check tells you whether you need to top up before you return.
Fast charging up to 22.5W
The listing says the Vention I15BB-V2 supports up to 22.5W output for quick and efficient charging. Several output lines in the specifications show the power levels on each port, for example 5V-3A, 9V-2.22A and 12V-1.66A on the USB-C output. Real charging speed depends on the phone, the cable and the adapter, so the Vention I15BB-V2 may not reach 22.5W with every device. Use a cable and adapter that your phone supports, and follow the maker’s instructions. A fast output mainly helps when you need a quick top-up before you leave the house.
Built-in USB-C and Lightning cables
According to the listing, the Vention I15BB-V2 has built-in USB-C and Lightning cables for convenience. The listed output for the built-in Lightning cable is 5V-2.4A, and the built-in USB-C cable output is listed as 5V-3A, 9V-2.22A and 12V-1.44A. Built-in leads mean fewer loose cables in your bag, which can help on a bus journey or in a shared office. Check that the cable suits your device before you rely on it, and keep a spare cable for other devices at home. One built-in cable is also one less item to lose when you pack in a hurry.
Multi-port design
The listing describes the Vention I15BB-V2 as having a multi-port design with Micro-USB, USB-C and two USB-A ports. The listed interfaces are USB-A, USB-C and Lightning. The USB-A1 and USB-A2 outputs are listed as 5V-3A, 9V-2A, 10V-2.25A and 12V-1.5A. The listing does not give output figures for the Micro-USB port, so that detail is not confirmed by the listing. The total output is listed as 5V-3A (Max), so that limit applies when more than one device is connected. Plan your charging order if several devices need power at once.
LED battery percentage display
The listing describes an LED display that shows battery percentage and status. That makes it easier to see how much backup remains before you leave, rather than guessing from the battery level on your phone. The listing says the display is easy to read, but it does not describe every display state, so follow the maker’s instructions for detail. Checking the display before a trip is a simple habit, especially during long days away from a socket. For many buyers, this display is one of the features that make the Vention I15BB-V2 practical for daily use.
Durable build and portable design
The listing states that the case is made from PC ABS material for durability and heat resistance. It describes the power bank as portable and lightweight, and says it suits travel and daily use. In Bangladesh, humidity and dusty roads can be hard on electronics, so keep the Vention I15BB-V2 dry, out of direct sun and away from dust. Store it in a bag or pocket where it will not get knocked around. A sturdy case helps when you move between home, the office and the bus stop each day.

Specifications
The table below shows the Vention I15BB-V2 specifications as the product listing gives them. Use it to check the model, battery and port figures before you order.
| Label | Value |
|---|---|
| Model | I15BB-V2 |
| Material | PC ABS |
| Battery capacity | 20000mAh (3.7V/74Wh) |
| Input (USB-C) | 5V-3A, 9V-2A, 12V-1.5A |
| Input (built-in USB-C cable) | 5V-3A, 9V-2A, 12V-1.5A |
| Output (USB-C) | 5V-3A, 9V-2.22A, 12V-1.66A |
| Output (USB-A1/A2) | 5V-3A, 9V-2A, 10V-2.25A, 12V-1.5A |
| Output (built-in USB-C cable) | 5V-3A, 9V-2.22A, 12V-1.44A |
| Output (built-in Lightning cable) | 5V-2.4A |
| Total output | 5V-3A (Max) |
| Interface | USB-A, USB-C, Lightning |
| Charging speed | 22.5W Fast Charging |
| Display | LED Battery Percentage Indicator |
These are listed specifications from the product listing for the Vention I15BB-V2.

How to use and set up
Setting up the Vention I15BB-V2 is straightforward if you follow a few general steps. Start by charging the unit fully before first use. The listing gives the USB-C input as 5V-3A, 9V-2A and 12V-1.5A, so use an adapter and cable that match those input levels, and follow the maker’s instructions for the charging method.
Once it is charged, store the Vention I15BB-V2 somewhere you can reach easily. Keep your order details and the model number with it, so you can match them with the product if you contact us. When power is available, top up the unit so it is ready for a power cut or a long day out.
To charge a device from the Vention I15BB-V2, connect it to one of the listed output ports using the built-in cable or a standard cable of your own. Check that the connection is firm before you leave the unit unattended. If a device does not start charging, try a different cable and check the device’s own charging guidance before you assume a fault.
Before a long trip, charge the unit and your phone cable together, so you know the connection works. Pack the cable in an easy-to-reach pocket so you do not have to search for it on a crowded bus. Carry a short note of your model number as well, in case you need support while travelling.
Daily charging habit: top up the Vention I15BB-V2 at the start of each week or before a planned trip, so it is ready when you need it. Keep a note of when you last charged it, which is easy to record in your phone calendar.
Power cuts: decide in advance which device you charge first, such as the phone you use for calls and messages. Plan the rest of the charging order around that choice, especially when several devices share the total output limit.
Care and storage: keep the Vention I15BB-V2 in a dry place with airflow, away from direct sun, and avoid leaving it in a hot car. Bangladeshi summers can push indoor and vehicle temperatures up, so check where you leave it during the day. Clean the ports gently with a dry cloth and keep cables in good condition.
For longer breaks between uses, check the unit periodically and recharge it when needed. Follow the maker’s instructions for any further care guidance, because the listing does not give a full care routine.
If anything looks damaged, stop using the unit and contact us for advice before you continue. Do not attempt repairs yourself, and keep the order details ready when you call.
Compatibility and what is in the box
According to the listing, the Vention I15BB-V2 is suitable for smartphones, tablets and other USB-powered devices. It has built-in USB-C and Lightning cables, and the interfaces are listed as USB-A, USB-C and Lightning.
The listing does not name specific phone or tablet models, so it does not confirm compatibility with any named device. If your device uses a Lightning connector, the built-in Lightning cable output is listed as 5V-2.4A, which is a figure to check against your device’s own needs.
The listing does not give a full list of package contents, so ask us about accessories before ordering the Vention I15BB-V2. Our team can answer questions about the unit before you order, using the contact details in the delivery section below.
If you use a wide range of devices, make a short list of the connectors you need, then compare that list with the ports and cables named in the listing. This simple check saves time at the point of purchase.
Before you connect the Vention I15BB-V2 to a new device, check that device’s own charging guidance. If you are buying for a family member, ask them which connector their phone uses, so the built-in cable choice matches their device.
Keep a spare cable for a device that uses a different connector, since the built-in cables cover only the interfaces the listing names.
Who should buy it in Bangladesh
Commuters in Dhaka who spend long hours on buses, rickshaws or the metro can use the Vention I15BB-V2 to keep a phone running through the day. The LED battery percentage display helps you judge how much backup you have before you leave home. If your route includes a long wait at a stop, a charged unit gives you a buffer you can rely on.
Families sharing one charger may like the multi-port layout, since the listing shows Micro-USB, USB-C and two USB-A ports. Parents can keep a phone and a tablet charged during evening use. A shared unit like this works well when you keep an eye on the total output limit.
Students in shared flats or hostels can use the Vention I15BB-V2 for study sessions, especially when power cuts make a backup useful. Built-in cables help when a cable is lost or left behind at a library desk. Agree a charging rota with flatmates so the unit is ready when it is needed most.
Travellers heading outside Dhaka can carry the Vention I15BB-V2 as a backup for phones on long journeys. Delivery outside Dhaka usually takes 2–5 days, so order a few days before you travel. Keep the unit in your hand luggage where it is easy to reach.
Small business owners who run a counter, a stall or a delivery route may find a backup useful when their phone is their main tool. The listing does not describe business use, so treat this as general guidance and check that your devices and workload suit the unit.
Office workers who share a desk with colleagues may also use the Vention I15BB-V2 for a quick top-up, provided the total output limit is respected.
Households that face regular power cuts can keep the unit charged for phone calls, messages and map checks during an outage. The listing does not describe outage behaviour, so charge the unit when mains power is available.
Buyers choosing a gift for a relative who travels often can use the Vention I15BB-V2 as a practical present. Confirm the device the recipient uses, and the connector it needs, before you order.
When you choose a power bank in Bangladesh, start with the devices you charge most often. A phone, a tablet and a pair of earphones have different charging needs, so list them before you compare models.
Next, think about your daily routine. Consider how long you will be away from a socket and how many devices need power in that time, then decide whether a single unit covers that period.
The Vention I15BB-V2 may not suit buyers who need specific output figures for the Micro-USB port, because the listing does not give them. It may also not suit someone who wants a feature the listing does not mention, so check the listing details before you buy.
If you are unsure whether the Vention I15BB-V2 fits your use, message us before ordering.
Alternatives in our store
Compare the Vention I15BB-V2 with the options below before you decide. Our range includes Vention FHLB0 22.5W 20000mAh Power Bank – BLACK, another power bank in our range. Momax Q.Mag X Magnetic Wireless Power Bank 5000mAh – Golden is another power bank in our range. JR-PBF20 25W Fast Charge 10000mAh – Power Bank is another power bank in our range, and Vention 4800mAh Power Bank 22.5W – White is one more. You can browse every option in the Power Banks category.
Each option above suits a different routine, so read the product page for the item that interests you before you decide. Our team can explain how the listings differ, using only the details each listing gives.
Warranty and support
Warranty: 7 Days seller warranty.
Delivery, returns and ordering
We deliver all over Bangladesh and you pay cash on delivery.
When you order the Vention I15BB-V2, the cash on delivery option applies. Delivery usually takes 1–3 days inside Dhaka city and 2–5 days outside Dhaka. Delivery times are usual timings rather than a guarantee, so plan around them.
You can return it within 7 days of delivery (see our Delivery & Returns policy).
Questions before ordering: call 09638054751, message us on Facebook Messenger or email care@gadgetsuperb.com.
To place an order, contact us through one of the channels above, confirm the model and share your delivery address. Keep a contact number you answer during the day, so the courier can reach you. Because payment is cash on delivery, have the payment ready when the courier arrives.
Before you place an order for the Vention I15BB-V2, check the model number and the details on this page, then ask us if anything is unclear. Full terms are on our Delivery & Returns policy page, which you can read before you order.
Frequently asked questions
What is the Vention I15BB-V2 power bank?
The Vention I15BB-V2 is listed as a 20000mAh power bank with up to 22.5W output, built-in USB-C and Lightning cables and an LED battery percentage display.
Does the Vention I15BB-V2 support fast charging?
Yes, the listing says it supports up to 22.5W output for quick and efficient charging. Actual charging speed depends on your device, cable and adapter.
Does the Vention I15BB-V2 have built-in cables?
Yes, the listing says it has built-in USB-C and Lightning cables. Check that the cable suits your device before you rely on it.
How many ports does the Vention I15BB-V2 have?
The listing says it includes Micro-USB, USB-C and two USB-A ports, with interfaces listed as USB-A, USB-C and Lightning.
Is the Vention I15BB-V2 suitable for iPhone?
The listing says it suits smartphones and includes a Lightning cable, but it does not name specific iPhone models, so check your model before you buy.
What is the warranty on the Vention I15BB-V2?
Warranty: 7 Days seller warranty.
Can I return the Vention I15BB-V2?
Yes, you can return it within 7 days of delivery, as set out in our Delivery & Returns policy.
How long does delivery of the Vention I15BB-V2 take?
Delivery usually takes 1–3 days inside Dhaka city and 2–5 days outside Dhaka. We deliver all over Bangladesh and you pay cash on delivery.
Can the Vention I15BB-V2 help during power cuts?
It can serve as a backup supply for your devices when mains power is off, provided it is charged beforehand. The listing does not describe outage behaviour, so charge it when power is available.
What does the Vention I15BB-V2 display show?
The listing says the LED display shows battery percentage and status.
How do I decide whether the Vention I15BB-V2 fits my routine?
Start with the devices you charge most often and how long you spend away from a socket. If you are still unsure, message us before you order.
Does the Vention I15BB-V2 come with a full list of accessories?
The listing does not give a full list of package contents, so ask us about accessories before you order the Vention I15BB-V2.








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