

Cuktech ZMI QB817 10000mAh Mini Power Bank with 30W Fast Charging
৳2680
৳1490
44% OFF
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The Cuktech ZMI QB817 is a high-performance 10000mAh mini power bank engineered for users who prioritize portability without compromising on speed. Featuring a robust 22.5W max output and universal fast charging support, this compact power bank delivers reliable energy for your smartphones, tablets, and mobile gadgets on the go.
Cuktech qb817 power bank: Key takeaways
- Ultra-Portable: Fits easily in pockets at just 90 × 64 × 24 mm.
- High Speed: Delivers 22.5W max output for rapid mobile device power.
- Universal Support: Compatible with QC, PD, FCP, and SCP protocols.
- Multi-Port: Includes USB-C and USB-A outputs for simultaneous charging.
What is Cuktech ZMI QB817 Power Bank?
The Cuktech ZMI QB817 is a pocket-sized external battery designed for modern power delivery requirements. It solves the common problem of mid-day battery depletion by providing 10000mAh of capacity in an incredibly small form factor. This device is the ideal companion for commuters, frequent travelers, and anyone who relies heavily on mobile technology throughout the day.
Key Features
- 10000mAh Capacity: Holds enough energy to charge most flagship smartphones multiple times, providing substantial backup power.
- 22.5W Two-Way Fast Charging: High-efficiency circuitry allows the unit to charge your devices quickly while also supporting rapid input to replenish itself.
- Universal Compatibility: Engineered to support major protocols including PD (Power Delivery), QC (Quick Charge), FCP, and SCP for maximum versatility across brands.
- Triple-Port Output: Features one USB-C and one USB-A port, allowing you to power two devices at the same time without friction.
- Advanced Safety Protections: Built-in safeguards protect your electronics from overcharge, short-circuit, and voltage instability hazards.
Specifications
- Brand: Cuktech (formerly ZMI)
- Model: QB817
- Battery Capacity: 10000mAh (37Wh)
- Rated Capacity: 5500mAh (5V/3A)
- Max Output Power: 22.5W
- Input Ports: USB-C, Micro-USB
- Output Ports: USB-C, USB-A
- Dimensions: 90 × 64 × 24 mm
- Weight: ≈285g
Why Modern Users Choose This Power Bank
Modern professionals and travelers choose the Cuktech ZMI QB817 for its perfect balance between raw capacity and physical footprint. Unlike older, bulky external batteries, this model slides effortlessly into a laptop bag or coat pocket, ensuring you always have backup power available without the extra weight.
Furthermore, the inclusion of multiple charging protocols makes it a future-proof investment. Whether you are using a modern USB-C enabled smartphone or an older device requiring USB-A charging, the QB817 adapts to your specific power delivery profile, ensuring safety and efficiency.
Use case 1: Daily commuting and urban travel
For city dwellers, this power bank is indispensable. It sits discreetly in a purse or backpack, ready to provide a rapid charge during long commutes or back-to-back meetings. Because it handles modern protocols so effectively, you can go from 10% to 50% battery in minutes during a short lunch break.
Use case 2: Long-haul flights and weekend trips
Frequent fliers value the Cuktech QB817 for its compliance and compact nature. It provides enough capacity to keep your tablet and phone fueled during an international flight without violating carry-on space restrictions. It is the ultimate insurance policy against finding a dead battery in an unfamiliar terminal.
What's Included
- 1 × Cuktech ZMI QB817 Power Bank
- 1 × User Manual




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- The Cuktech ZMI QB817 supports a maximum output of 22.5W. If your smartphone supports fast charging protocols such as PD or QC, the power bank will automatically detect the optimal voltage and current to deliver a rapid charge. Under ideal conditions, you can expect a significant battery boost in just 30 minutes, effectively minimizing downtime during your busy day.
- Yes, the Cuktech ZMI QB817 is designed for broad compatibility with virtually all mobile devices. It supports major fast-charging standards including Power Delivery (PD) and Quick Charge (QC), ensuring it functions correctly with Apple iPhone models, Samsung Galaxy devices, and other modern smartphones. The inclusion of both USB-C and USB-A ports ensures you can connect virtually any modern charging cable.
- Charging the Cuktech ZMI QB817 depends on the input speed of your wall adapter. When paired with a compatible fast-charging wall charger, the power bank will reach a full charge significantly faster than with standard 5W chargers. The device uses advanced input protocols to ensure it draws power efficiently, allowing you to replenish its 10000mAh capacity in a few hours of steady charging.
- The Cuktech ZMI QB817 has a total energy capacity of 37Wh, which is well within the standard limits allowed by international airlines for carry-on luggage. The battery capacity of 10000mAh is compliant with most aviation safety regulations, meaning you can safely pack this device in your hand luggage when traveling internationally or domestically, keeping your electronics fueled for the flight.
Related in this store
- Baseus Blade power bank— Complements search for portable energy with a high-capacity alternative.
- fast charging adapters— Useful accessory for replenishing the power bank rapidly.
- Retractable fast charging cables— Matches the portable, cable-free intent of the power bank user.
- USB-C travel adapters— Pairs perfectly for global travel charging scenarios.
- Compact charging accessories— Relevant for users interested in space-saving charging tech.
- Wireless charging power banks— Suggests a higher-end alternative with added convenience features.
Sources
- Understanding Fast Charging Protocols— Authoritative standard for Power Delivery and USB charging.
- TSA Battery Travel Regulations— Provides official guidance on lithium battery air travel safety.
- The Physics of Fast Charging— Reputable source on energy efficiency and battery health.
Reviewed by Adatun Product Team, Lead Merchandiser — reviewed by our category experts