Portable Power Bank
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INIU B64 140W 27,000mAh, Fast Charge 1,000+ Devices, 140W Max Output from One Port
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Why Choose an INIU Portable Power Bank?
Experience the INIU Advantage: Powering Your World with Confidence
At INIU, we believe your power bank should be as dynamic and reliable as you are. That's why every INIU portable charger is crafted with precision and innovation:
⚡️ Rapid-Speed Charging: Don't just charge, rapidly recharge. Our power bank supports including Power Delivery (PD) and Quick Charge (QC), get your devices back to full power quicker, minimizing downtime. Spend less time waiting, more time doing with our fast charger capabilities.
✈️ Compact & Lightweight Design: Engineered for ultimate portability. Our slim power bank and ultra slim power bank designs seamlessly slip into your pocket, bag, or backpack, ensuring you have reliable power without the bulk. Perfect for travel, commutes, or everyday use. Look for our light weight power bank options for ultimate portability.
🔒 Uncompromising Safety, Certified Reliability: Your peace of mind is our priority. Each INIU power bank is equipped with exclusive SmartProtect systems and multi-layered safety features to guard against over-charging, overheating, and short circuits, protecting both your devices and the power bank itself.
🔋 Reliable, Long-Lasting Performance: Built to endure. Count on INIU for consistent, dependable power delivery. Our portable chargers are constructed with high-grade materials and backed by an industry-leading 3-Year Care warranty, ensuring a long-lasting charging experience you can trust.
🔌 Universal Compatibility: From smartphones and tablets to laptops and earbuds, INIU power banks offer versatile charging solutions with multiple port options (USB-C charger, USB-A) to keep all your gear powered up.
Stay connected, productive, and entertained. Discover the perfect INIU portable power bank for your needs and embrace the freedom of never running out of power again.
When selecting a portable power bank, consider these key factors:
Battery Capacity (mAh): Determines how many times it can charge your devices. A 10,000mAh power bank typically provides 1–2 full smartphone charges, while a 20,000mAh model can power a laptop for once or power multiple devices.
Port Types: Look for USB-C PD output for universal compatibility, especially if you need to charge a laptop with a portable charger. Legacy USB-A may still be useful for older devices.
Charging Speed: Choose models supporting Power Delivery (PD) or Quick Charge (QC) for fast charging. Power banks with the latest version of PD and QC fast charging functions can input power to devices faster. For example, INIU P50-E1 45W PD3.0 power bank can charge an iPhone 16 from 0–63% in ~25 minutes.
Size & Portability: Pocket-sized or mini models are easier to carry but but have relatively small capacity. Power banks with a capacity of 2000mAh and above can provide more power, but they are also larger and heavier. INIU is committed to providing consumers with more compact power banks to reduce the burden of carrying.
Safety: Prioritize products with thermal protection, over-voltage/over-current control. INIU's smart protect system and industry-leading 3-year warranty service allow consumers to shop with confidence..
A power bank’s lifespan depends on battery quality and usage. Most lithium-polymer or lithium-ion models last 500–1000 charge cycles (≈2–3 years of typical use). High-quality power banks often use Grade A cells, which maintain over 80% capacity after 500 cycles.
Please avoid full discharges (0%) and extreme temperatures to extend life.
The recharge time depends on two things:
Capacity (mAh): More capacity means longer charging time.
Input rating: A USB-C PD input (e.g., 18W–30W) will charge a 10,000mAh power bank in ~2–3 hours, while a 20,000mAh unit may need 4–6 hours.
Note: Using a old low speed charger can double or triple the time of recharge power bank.
It depends on your charging priorities:
Wired power banks are generally faster and more efficient. With USB-C PD fast charging, they can deliver up to 140W, making them ideal to charge laptops, tablets, and phones quickly.
Wireless power banks offer the convenience of cable-free charging, especially useful for iPhone, Samsung, and Galaxy phones that support Qi or MagSafe. However, they are typically less efficiency than wired power banks due to energy loss during transmission. Newer Qi2-certified magnetic chargers improve wireless performance with better alignment and up to 15W output.
Recommendation: For high-power needs (e.g., laptops or other high performance devices), choose a wired portable power bank. For those who are looking for convenience and use iPhone 12 + of Apple mobile phones, a Qi2 wireless magnetic charger may be a good companion.
Yes — but only with a high-wattage portable charger that supports USB-C PD ≥ 30W.
For example, to charge a light MacBook Air, you’ll need a charger outputting ≥30W, but for MacBook Pro 14"/16", aim for ≥65–140W. Battery capacity is recommended to be 20,000mAh or higher to provide meaningful runtime.
Check your laptop’s input spec (usually printed near the USB-C port or power brick) before purchasing.
Yes — but with these conditions:
● Must be in carry-on luggage (not checked baggage).
● Capacity must be below 100Wh (≈27,000mAh at 3.7V nominal voltage).
● Some airlines limit to two power banks per person, so always check specific rules.
All INIU models under 27,000mAh are compliant with TSA, IATA, and ICAO regulations.
Yes. Most modern portable power banks support:
● Multiple output ports (e.g., USB-A + USB-C)
● Simultaneous wired + wireless charging (on models with Qi wireless charging)
However, total output is usually shared — e.g., a 45W charger may deliver 30W + 15W when using two ports.