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 20000mAh can offer 12000-14000 mAh to your devices.

How to calculate the possible number of charges?

"Industry-standard formula: (Rated 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:

Why doesn’t it charge at max power all the time?

INIU power banks feature a Smart Temperature Monitoring System that adjusts output to prevent overheating. It delivers max power when your device is low, then reduces power to protect your battery and improve efficiency.

Is it allowed on airplanes?

Yes, our 20000mAh power bank meets the regulations of TSA(Transportation Security Administration) for carring board(≤100wh≈27,027mAh).

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Description

🔋 Stay charged, stay ahead—never miss a beat with INIU’s fastest power bank!

COMPACT YET MIGHTY - Smallest 22.5W power bank that fits perfectly in your pocket—power meets portability.
POWER UP IN A FLASH - Charge your phone up to 75% in just 30 minutes with cutting-edge PD 3.0 & QC 4.0+ tech.
TRIPLE DEVICE CHARGING - Simultaneously power up to three devices with one USB-C and two USB-A ports—share the juice effortlessly.
MASSIVE 20 000 M AH CAPACITY - Keep your devices running all day and beyond without hunting for outlets.
FUTURE PROOF USB C IN OUT - Seamlessly charge and recharge with the latest USB-C standard, compatible with all your new gadgets.

The INIU Portable Charger is a sleek, high-capacity 20,000mAh power bank featuring 22.5W fast charging with PD 3.0 and QC 4.0+ technology. It supports USB-C input and output, allowing rapid charging and recharging, and can power up to three devices simultaneously. Designed for professionals on the go, it’s compatible with the latest iPhone, Samsung, Google, and iPad models, delivering up to 75% phone charge in 30 minutes. Compact, lightweight, and ClimatePartner certified, it combines safety, speed, and sustainability in one essential device.

Specifications

Is Product Cordless	No
Compatible Devices	[iPad /AirPods] iPad Pro, iPad Air /AirPods Max, AirPods Pro, AirPods etc, [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, [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, [Sumsung] Samsung galaxy S23 Ultra / S23 / S23+ /Samsung galaxy S22 Ultra / S22 / S22+ / S21 Ultra /S21+ / S21 / S20 Ultra / S20+ / Z Flip / S10 / S10+ / Note20 / Ultra / Note10 / Note10+ / Note9 / S9 / S9+ / Note 8 / S8 / S8+ / S7 Edge / S7 / Note5 / S6, [Watch Series] Apple Watch Series 9, Apple Watch Series 8
Portable	Yes
Number of Ports	3
Connector Type Used on Cable	USB Type C
Battery Capacity	20000 Milliamp Hours
Additional Features	Digital Display, Lightweight, Flashlight, Fast Charging, Pocket Size
Warranty Type	Limited
Recommended Uses For Product	MP3 Player, Phone, Tablet, Camera
Battery Cell Type	Lithium Polymer
Color	Black

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.