What’s the Difference Between 65W, 100W, and 140W Laptop Power Banks?

65W: Great for lightweight laptops like MacBook Air；100W: Covers most high-performance laptops.；140W: Needed for ultra-high-performance laptops and full-speed PD 3.1 charging. Choose a power bank based on your laptop’s max input and daily workload.

Can a Laptop Power Bank Damage My Laptop Battery?

No, if you pick a high-quality, compatible power bank with proper voltage regulation and USB-C PD support. Low-quality or unstable power banks can wear the battery over time. Always choose certified power banks with protections.

Why Does My Power Bank Provide Fewer Charges Than Expected?

External batteries typically deliver 60%-70% of their rated capacity. 30%-40% is lost to heat from voltage conversion and circuitry, which reduces the number of full charges for your device.

How to Calculate the Possible Number of Charges?

Formula: (Rated capacity × 65%) ÷ Device battery capacity ≈ Number of Charges. Example: (20000mAh × 0.65) ÷ 3692mAh ≈ 3.5 charges for iPhone 17.

Does It Support Pass-Through Charging?

Yes. The power bank supports pass-through charging, allowing you to charge the power bank and connected devices at the same time.

Iniu Power Bank 25000mah 100w Usb C Laptop Portable Charger

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🔋 Stay charged, stay ahead—power that keeps pace with your hustle.

POWER UP IN A FLASH - Charge your MacBook Pro 50% in just 30 minutes with 100W PD fast charging—because waiting is so last decade.
TRIPLE PORT POWERHOUSE - Simultaneously juice up to 3 devices via dual USB-C and USB-A ports—perfect for your multi-gadget lifestyle.
WEEK LONG ENERGY RESERVE - With 25,000mAh capacity, power your devices multiple times without hunting for outlets—stay unplugged, stay unstoppable.
PRECISION BATTERY INSIGHT - Exact percentage display keeps you in control—no guessing, just confidence on the go.
TRUSTED DURABILITY SUPPORT - Crafted with premium materials and backed by a 3-year warranty—because your power bank should work as hard as you do.

The INIU Power Bank delivers a robust 25,000mAh capacity with blazing 100W USB-C fast charging, capable of powering laptops, tablets, and smartphones simultaneously through three ports. Designed for professionals on the move, it features a precise battery percentage display, premium build quality, and a reassuring 3-year warranty, making it the ultimate travel companion for seamless, reliable power anytime, anywhere.

Specifications

ASIN	B08VDJP7WN
Antenna Location	Laptop,Iphone,Tablet
Battery Capacity	25000 Milliamp Hours
Battery Cell Type	Lithium Polymer
Battery Charge Time	1.5 Hours
Battery Weight	400 Grams
Best Sellers Rank	#2,894 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #186 in Cell Phone Portable Power Banks
Brand	INIU
Built-In Media	100W Power Bank * 1, Built in Cables, Travel Pouch * 1, User Manual * 1
Color	Black
Compatible Devices	Laptop
Compatible Phone Models	Cellphones [iPhone, Samsung, Google, Huawei, Xiaomi etc.]. [Sumsung] S22/ S21/ S20 ultra/ S20/ S10 Plus/ S10/ S9/ S8/ Note 20 Plus/ 20/ 10 Plus/ 10/ 9/ 8, And more, [iPhone] 14/ 14Pro/ 14 max/ 13/ 13 Pro/ 13 Pro Max/ 12/ 12 Pro/ 12 Pro Max/ SE/ 11 Pro Max/ 11 Pro/ 11/ SE/ 10/ XS/ XS Max/ XR/ X/ 8/ 8 Plus. Eearbuds [Airpods, Google Pixel Buds]. Steam Deck, Switch etc.
Connector Type	usb
Customer Reviews	4.4 out of 5 stars 4,133 Reviews
Item Dimensions	5.85 x 2.87 x 1.34 inches
Item Dimensions L x W x Thickness	5.85"L x 2.87"W x 1.34"Th
Item Weight	475 Grams
Manufacturer	Shenzhen Topstar Industry Co.,Ltd.
Mfr Part Number	BI-B63
Model Number	BI-B63
Number of Batteries	1 Lithium Polymer batteries required. (included)
Number of Items	1
Number of Ports	3
Other Special Features of the Product	Fast Charge,Fast Charging,Portable Charger
Portable	Yes
Power Source	Battery Powered,Corded Electric
Reusability	Rechargeable
Special Feature	Fast Charge,Fast Charging,Portable Charger
Unit Count	1.0 Count
Voltage	5 Volts
Warranty Description	3 Years
Warranty Type	Limited

Reviews

A**Y

2.04.2023

O**.

25.07.2025

D**A

8.04.2026

D**S

9.03.2026

N**S

1.10.2025

R**Y

29.01.2026

M**8

29.03.2024

G**A

24.05.2025

S**I

14.07.2025

B**O

25.01.2025

K**E

20.07.2025

M**L

4.10.2025

M**H

12.11.2025

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TrustScore 4.5 | 7,300+ reviews

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Great experience from order to delivery. Highly recommended!

1 week ago

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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 17 16 15 14 Pro Samsung S25 etc

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Common Questions