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 Laptop Power Bank, Smallest 20000mAh 65W Fast Charging Battery Pack | USB C Cable, Flight-Safe, Travel Essentials, Portable Charger for MacBook Pro, Steam Deck, iPhone, iPad etc

Product ID: 648335642

Details

Battery Capacity
20000
Brand
INIU
Color
Black
Connector Type
Output:
Special Feature
Digital Fast

⚡65W ultra-fast charging

👜wallet-sized compactness

🔋20000mAh powerhouse

€ 97.93

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up anywhere, anytime — the ultimate pocket powerhouse!

TRIPLE PORT TURBOCHARGE - Simultaneously power your laptop, phone, and accessories with 65W fast charging across 3 ports.
WEEKEND LONG ENERGY SUPPLY - One full MacBook Air charge or 3+ flagship phone charges—your ultimate off-grid companion.
MASSIVE POWER MINIMAL BULK - Fits 20,000mAh into a wallet-sized frame—carry big energy without the bulk.
BUILT TO LAST TRAVEL READY - TSA-approved, multi-layer safety, and a 3-year warranty for worry-free worldwide adventures.
DETACHABLE BRAIDED USB C LANYARD - 3X tougher cable doubles as a stylish carry handle—replaceable for years of reliable use.

The INIU Laptop Power Bank packs a massive 20,000mAh battery into a wallet-sized, TSA-approved design with 65W fast charging across three ports. It revives laptops like MacBook and Steam Deck at lightning speed, supports simultaneous device charging, and features a durable detachable braided USB-C lanyard. Engineered for professionals on the go, it offers weekend-long power, advanced safety protections, and a 3-year warranty for total peace of mind.

Specifications

ASIN	B0DB86W481
Antenna Location	For ALL 【iPhone】iPhone 16, 16 Plus, 16 Pro, 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…
Battery Capacity	20000 milliamp_hours
Battery Cell Type	Lithium Polymer
Battery Weight	320 g
Best Sellers Rank	#515 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #54 in Cell Phone Portable Power Banks
Brand	INIU
Color	Black
Compatible Devices	For ALL 【iPhone】iPhone 16, 16 Plus, 16 Pro, 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…
Connector Type	Output: USB-C2+USB-A1
Customer Reviews	4.4 4.4 out of 5 stars (4,793)
Item Dimensions	4.3 x 2.8 x 1.1 inches
Item Dimensions L x W x Thickness	4.3"L x 2.7"W x 1.1"Th
Item Weight	13.4 ounces
Item Width	2.7 inches
Manufacturer	Shenzhen Topstar Industry Co.,Ltd.
Mfr Part Number	P62-E1
Model Number	P62-E1
Number of Batteries	1 Lithium Polymer batteries required. (included)
Number of Items	1
Number of Ports	3
Other Special Features of the Product	Digital Display, Fast Charging, Over Charging Protection, Short Circuit Protection
Power Source	Corded Electric
Reusability	Rechargeable
Voltage	20 volts
Warranty Description	3 Years Warranty
Warranty Type	Limited

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