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.

Smallest 100w Power Bank 25000mah Portable Charger

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Description

⚡ Power up your hustle—anywhere, anytime, with INIU’s unstoppable 100W mini beast!

SMART DIGITAL DISPLAY - Stay informed with real-time battery status—never get caught off guard again.
COMPACT TRAVEL READY - 30% smaller than a soda can, airline-approved, and ultra-portable for the on-the-go pro.
MASSIVE 25000 M AH CAPACITY - Keep your devices juiced all day and beyond, perfect for nonstop productivity and travel.
BLAZING 100 W POWER DELIVERY - Charge laptops, phones & gaming gear at lightning speed—no more waiting around.
DETACHABLE USB C CABLE INCLUDED - Zero risk of cable damage with premium detachable design, backed by a 3-year warranty.

The INIU 100W Power Bank packs a massive 25000mAh lithium polymer battery into a sleek, ultra-compact design that’s 30% smaller than a soda can. With blazing 100W output, it fast-charges laptops, phones, tablets, and gaming devices simultaneously. Its smart digital display keeps you updated on power levels, while the detachable USB-C cable ensures durability and convenience. Airline-approved and backed by a 3-year warranty, it’s the ultimate portable power solution for professionals who demand speed, capacity, and reliability on the move.

Specifications

ASIN	B0DBHGZ5QH
Battery Capacity	25000 milliamp_hours
Battery Cell Type	Lithium Polymer
Battery Charge Time	1.4 hours
Battery Weight	400 Grams
Best Sellers Rank	472 in Mobile Phone Chargers
Brand Name	INIU
Colour	Black
Compatible Devices	For ALL [iPhone] iPhone 18 Pro, iPhone 17, 17 Plus, 17 Pro, 17 Pro Max, 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 genera…
Compatible Phone Models	iPhone 16 series, iPhone 15 series, iPhone 14 series, iPhone 13 series, iPhone 12 series, iPhone 11 series, iPhone SE (2nd generation), iPhone XS, iPhone XS Max, iPhone XR, iPhone X, iPhone 8, iPhone 8 Plus; Samsung Galaxy S22 series, Samsung Galaxy S21 series, Samsung Galaxy S20 Ultra, Samsung Galaxy S10, Samsung Galaxy S10 Plus, Samsung Galaxy S10e, Samsung Galaxy S9, Samsung Galaxy S9 Plus, Sam…
Connector Type	Output: USB-C2+USB-A1
Country of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (4,778)
Included Components	1 INIU 100W battery bank, 1 0.3m/1ft USB C to USB C cable, 1 user manual
Item Dimensions	11 x 3.6 x 7 centimetres
Item Dimensions L x W x Thickness	11L x 3.6W x 7Th centimetres
Item Weight	391 Grams
Manufacturer	Shenzhen Topstar Industry Co., Ltd.
Manufacturer Part Number	P63-E1
Model Number	P63-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, Mini Size, Ultra Compact Design
Portable	Yes
Power Source	Corded Electric
Product Warranty	3 Years Warranty
Reusability	Rechargeable
Warranty Type	3 Years Warranty

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$178.39

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Very impressed with the quality and fast delivery. Will shop here again.

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Smallest 100W Power Bank, 25000mAh Portable Charger

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