Why my power bank provide fewer charges than expect?

Usually an external battery could supply 60%-70% power to other devices. Approximately 30-40% of the battery capacity is lost in circuit heat and voltage conversions.So a fully charged INIU 10000mAh power bank can offer 6000-7000 mAh to your devices.

How to calculate the possible number of charges?

Industry-standard formula: (Power bank capacity × 65%) ÷ Device battery capacity ≈ Number of Charges.

How long does it take to 100% recharge?

It depends on the power of the wall charger used:

Does it support pass-through charging?

Yes, our power bank supports pass-through charging. You can charge both the power bank and connected devices simultaneously.

Is it allowed on airplanes?

Yes, our 10000mAh power bank meets the regulations of TSA(Transportation Security Administration) for carring board(≤100wh≈27,027mAh).

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Power Bank, Smallest 22.5W 10000mAh Portable Charger, USB C in&out Fast Charging 3 Ports Mini Battery Pack with Phone Holder for iPhone 17 16 15 14 13 Pro Max Samsung S25 S24 Google iPad Tablet

Power Bank, Smallest 22.5W 10000mAh Portable Charger, USB C in&out Fast Charging 3 Ports Mini Battery Pack with Phone Holder for iPhone 17 16 15 14 13 Pro Max Samsung S25 S24 Google iPad Tablet

Product ID: 356990303

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Details

Connector type
USB Type C
Brand
INIU
Battery capacity
10000 Milliamp
Colour
Black
Special features
Fast Charging

⚡22.5W ultra-fast PD 3.0 & QC 4+ charging

📏23% smaller & 38% lighter than competitors

🔌USB-C input & output for versatile device compatibility

Description

⚡ Power up fast, stay ahead always.

BLAZING FAST POWER ⚡ - Charge your iPhone from 0 to 60% in just 30 minutes—almost twice as fast as standard chargers.
LONG LASTING JUICE 🔋 - 10000mAh capacity delivers multiple full charges—3.6x for iPhone 8, 2.1x for Samsung S10, and more.
POCKET SIZED POWERHOUSE 📏 - Ultra-compact design that's 17% thinner and 38% lighter, fits effortlessly in your pocket or bag.
TRIPLE PORT CONVENIENCE 🔌 - Simultaneously power up to three devices with USB-C in/out and dual USB-A ports.
BUILT TO LAST WITH CONFIDENCE 🛡️ - Premium materials backed by a 3-year INIU Care warranty trusted by over 38 million users worldwide.

The INIU 22.5W 10000mAh Power Bank is a compact, ultra-lightweight portable charger featuring advanced PD 3.0 and QC 4+ fast charging technology. It supports USB-C input and output for versatile device compatibility, including the latest iPhones, Samsung, Google, and iPads. With three charging ports and a high-capacity battery, it delivers multiple full charges on the go, all backed by a trusted 3-year warranty.

Specifications

Product Dimensions	10.54 x 6.6 x 2.39 cm; 238.14 g
Batteries	1 Lithium Polymer batteries required. (included)
Item model number	BI-B61
Special features	Fast Charging
Other display features	CE
Color	Black
Item Weight	238 g

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