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.

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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

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

Product ID: 373140277

Details

Battery Capacity
25000 Milliamp
Brand
INIU
Color
Black
Connector Type
usb
Special Feature
Fast Charge

⚡100W ultra-fast charging

🔋25,000mAh massive capacity

🔌3 simultaneous device outputs

Description

🔋 Stay powered, stay unstoppable — never miss a beat with INIU!

ENDURANCE FOR DAYS - Massive 25,000mAh battery keeps your devices powered for up to a week on the go.
POWER UP IN A FLASH - Charge your MacBook Pro 50% in just 30 minutes with 100W PD fast charging.
TRUSTED BY MILLIONS - Join 38 million users enjoying INIU’s industry-leading safety and a 3-year warranty.
SLEEK TRAVEL READY - Compact, solid design with a premium feel and included travel pouch for effortless portability.
TRIPLE PORT CONVENIENCE - Simultaneously charge 3 devices with dual USB-C and USB-A ports—no compromises.

The INIU Power Bank BI-B63 delivers a powerhouse 25,000mAh capacity with blazing 100W USB-C fast charging, capable of fueling laptops, tablets, and smartphones simultaneously via three ports. Trusted by over 38 million users worldwide, it combines premium build quality, precise battery percentage display, and a 3-year warranty, making it the ultimate travel companion for professionals who demand reliable, high-speed power on the move.

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	#18,719 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #643 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 4.4 out of 5 stars (4,236)
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
Unit Count	1.0 Count
Voltage	5 Volts
Warranty Description	3 Years
Warranty Type	Limited

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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.

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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.

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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.

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