Cuktech ZMI QB818 10000mAh Mini Fast Charging Powerbank
Cuktech ZMI QB818 10000mAh Two-way 30W Fast Charging Mini Powerbank
Product Price: ৳2,000
Discount Price: ৳1,650
If you’re in the market for a compact, everyday power bank that punches above its weight, the Cuktech ZMI QB818 might be worth considering. It strikes a great balance between size, performance, and price — ideal for students, commuters, and casual travelers. Here’s how it holds up in real-life use.
🔋 Design & Build Quality
The QB818 immediately impresses with its mini, pocket-friendly form factor. Measuring roughly 98.5 × 50.2 × 26.25 mm and weighing around ~200 g, it’s light enough to carry all day without feeling bulky in your bag or pocket. (ShopZ)
The exterior has a clean, simple finish that feels solid in hand — not overly flashy, but practical. While it may not feel as premium as metal-bodied power banks, its build quality is entirely fitting for its price bracket.
⚡ Charging Performance
What sets the QB818 apart in this class is its 30W two-way fast charging capability. That means you can:
Charge your devices quickly through the USB-C port.
Recharge the power bank itself fast using the same port. (ShopZ)
This feature is a real game-changer if you’re often out and about and don’t have much downtime to wait for recharges. Dual-port output (USB-C + USB-A) lets you juice up two devices at the same time, which is always a bonus. (ShopZ)
The power bank supports popular fast-charging standards like PD (Power Delivery) and QC (Quick Charge), so it’s compatible with most modern phones, tablets, and accessories. (adatun.com)
📌 Low Current Mode: A neat addition is the low current mode (activated by double-pressing the button). This is great for gadgets like earbuds, smartwatches, and Bluetooth accessories that don’t need high power and can be damaged by fast charging. (adatun.com)
🔄 Capacity & Real-World Use
With a 10,000 mAh battery, the QB818 can typically deliver 1.5–2.5 full charges for most smartphones (varies by phone size and charging speed). That’s well-suited for everyday use or short trips.
In real user feedback (from platforms selling this unit locally), buyers praise its 30W fast charge support and reliable performance, reflecting that the power bank meets expectations for quick top-ups. (cellbun.com)
🔐 Safety & Extras
Built-in safety protections — like overcharge, over-discharge, short-circuit, and temperature safeguards — give peace of mind when charging expensive devices. (adatun.com)
While pass-through charging (charging device while the bank is plugged in) isn’t widely advertised, the fast two-way charging speeds help you recharge quickly between uses.
📌 Pros
✅ Ultra-compact and highly portable (easy to carry everyday) (ShopZ)
✅ 30W two-way fast charging keeps devices and the bank itself powered quickly (ShopZ)
✅ Dual port for simultaneous devices (adatun.com)
✅ Low current mode for delicate accessories (adatun.com)
✅ Supports major fast-charge standards (PD, QC, SCP, etc.) (adatun.com)
📉 Cons
❌ 10,000 mAh isn’t enough for multiple tablet charges
❌ No display showing exact % battery — only LED indicators
❌ Real-world capacity is less than the nominal rating (common with most power banks)
💡 Verdict
For its price point, the Cuktech ZMI QB818 is an excellent all-rounder. It’s not the highest-capacity unit you’ll find, but its fast charging, smart features, and portability make it a great daily companion — especially if you carry multiple devices or frequently travel light.
Whether you’re a student, blogger, or frequent traveler, this power bank ticks most boxes for convenient and efficient on-the-go charging without breaking the bank. (ShopZ)
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