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 25000mAh B63 can offer 15000-17500 mAh to your devices.

How to calculate the possible number of charges?

Industry-standard formula: (Rated capacity × 60%) ÷ Device battery capacity ≈ Number of Charges.

How long does it take to 100% recharge?

It depends on the power of the wall charger used: 65W fast charger - 2 hrs, 45W fast charger - 3 hrs, 18W charger - 6 hrs

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 25,000mAh power bank meets the regulations of TSA(Transportation Security Administration) for carring board(≤100wh≈27,027mAh).

INIU Power Bank, 25000mAh 100W USB C Laptop Portable Charger, PD QC Fast Charging 3-Output Battery Pack, Travel Charger for Laptop MacBook iPad Tablet Steam Deck iPhone 16 15 14 Pro Samsung S22 etcClimatePartner certified

INIU Power Bank, 25000mAh 100W USB C Laptop Portable Charger, PD QC Fast Charging 3-Output Battery Pack, Travel Charger for Laptop MacBook iPad Tablet Steam Deck iPhone 16 15 14 Pro Samsung S22 etcClimatePartner certified

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Product ID: 373140277

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Details

Connector Type
USB Type A USB
Brand
INIU
Battery Capacity
25000 Milliamp
Color
Black
Special Feature
100W Fast Over

⚡100W flagship laptop charging

🔋25,000mAh high-capacity battery

🔌Dual USB-C fast outputs + 65W input

Description

⚡ Stay powered, stay ahead — the ultimate fast-charge companion for the modern pro.

MASSIVE 25 000 M AH CAPACITY - Charge multiple devices on the go — from iPhones to MacBooks — without hunting for outlets.
POWER UP AT LIGHTNING SPEED - 100W output powers flagship laptops and devices faster than ever, so you never miss a beat.
FAST RECHARGE LESS DOWNTIME - 65W USB-C input recharges the power bank in just 1.5 hours — get back to full power quickly.
TRAVEL READY AIRPLANE FRIENDLY - Compact, lightweight, and certified for air travel — your perfect companion for work trips and adventures.
DUAL USB C PORTS FOR ULTIMATE VERSATILITY - Simultaneously juice up your laptop, phone, and Steam Deck with dual USB-C outputs.

The INIU Power Bank delivers a massive 25,000mAh capacity with blazing 100W output, dual USB-C fast charging ports, and a rapid 65W recharge input. Designed for professionals on the move, it supports flagship laptops, smartphones, tablets, and gaming devices like the Steam Deck. Compact, travel-friendly, and backed by a 3-year warranty, it’s engineered to keep your devices charged safely and efficiently wherever you go.

Specifications

Unit Count	1.0 Count
Item Dimensions L x W x Thickness	8.35"L x 4.21"W x 1.54"Th
Item Weight	475 Grams
Battery Cell Type	Lithium Polymer
Color	Black
Warranty Type	Limited
Recommended Uses For Product	Laptop, Iphone, Tablet, Earphone, Drone, Switch, Steam Deck
Charging Time	1.5 Hours
Compatible Devices	For ALL 【iPhone】iPhone 16, iPhone 16 Plus, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 15, 15 Plus, 15 Pro, 15 Pro Max, iPhone 14, 14 Plus, 14 Pro, 14 Pro Max, iPhone13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone 13, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12 mini, iPhone 12, iPhone 11 Pro, iPhone 11 Pro Max, iPhone 11, iPhone SE (2nd generation), iPhone XS, iPhone XS Max, iPhone XR, iPhone X, iPhone 8, iPhone 8 Plus; 【Laptops】 Chromebook, Macbook Air M2, MacBook Air 2020, MacBook Pro 13" 2017, MacBook Pro 13" 2020, MacBook Pro 15" 2017, MacBook 16", MacBook 12", MacBook Air 13", MacBook Air 12"【Google】Google Pixel 6, Google Pixel 6 Pro, Google Pixel 5,Google Pixel 4A,Google Pixel 3a,Google Pixel 3XL, Google Pixel 3,Google Pixel 2 XL,Google Pixel 2;【Samsung】Galaxy S22, S22Ultra,S22+,S21 Ultra,S21,S21 Plus, S20 Ultra, S10,S10 Plus, S10e, S9,S9 Plus, S8,S8 Plus; Samsung Galaxy Note 20, Note10, Note 9, Note 8; 【iPad】【Watch Series】【AirPods】AirPods Max, AirPods Pro, AirPods, 【Steam Deck】,【Rog ally】, etc
Portable	Yes
Voltage	5 Volts
Power Source	Corded Electric
Number of Ports	3
Connector Type Used on Cable	USB Type C, USB Type A
Battery Capacity	25000 Milliamp Hours
Additional Features	100W Fast Charging, Compact Design

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TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

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TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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INIU Power Bank, 25000mAh 100W USB C Laptop Portable Charger, PD QC Fast Charging 3-Output Battery Pack, Travel Charger for Laptop MacBook iPad Tablet Steam Deck iPhone 16 15 14 Pro Samsung S22 etcClimatePartner certified

Details

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Specifications

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