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Black rectangular power bank with built-in USB-C cable strap, digital display, and flashlight

INIU

INIU P51L-P1 20000mAh 45W power bank with built-in USB-C cable

SKU CH-HRNM-7N3KG MPN P51L-P1

A 20000mAh power bank delivering 45W USB-C PD output with a built-in cable that doubles as a strap

  • TypePower Bank
  • ColorBlack
  • Compatible Phone ManufacturerApple, Samsung, Google, Universal
  • Compatible Phone ModeliPhone 16/15/14/13/12, Samsung Galaxy S25/S24/S23/S22, Googl
  • Capacity20000 mAh
  • ChemicalLithium Polymer
  • 45W USB-C PD fast charging powers laptops and phones quickly
  • 20000mAh capacity delivers up to 3.6 full charges for iPhone 15
  • Built-in USB-C cable doubles as a carrying strap and removes the need for extra cords
  • Charge three devices at once using the built-in cable, USB-C port and USB-A port
  • LED digital display shows remaining battery percentage while the built-in flashlight adds emergency light

20000mAh portable power for laptops and phones

The INIU P51L-P1 is a 20000mAh power bank built for users who need to charge laptops, phones and handheld consoles away from wall outlets. Its 45W USB-C PD output handles a MacBook Air or Steam Deck while the USB-A port adds 22.5W for legacy devices. The 74Wh lithium-polymer cell stays within airline carry-on limits.

Integrated cable doubles as a strap

A short USB-C cable is built into the chassis and serves as both input and output, removing the need to pack a separate cord. The cable loops out to form a carrying strap, while a second USB-C port and the USB-A port allow three devices to charge at once. A digital display shows remaining percentage and a small flashlight adds utility in low light.

Replaces a wall charger and spare cables on trips

Travellers who currently carry a separate laptop brick, phone charger and extra cables can consolidate to this single unit. The jump is worth it when you regularly top up a USB-C laptop and two smaller devices between flights or meetings. Buyers who need more than 45W for larger laptops or who want wireless charging should look elsewhere.

Highlights

  • 45W USB-C PD fast charging powers laptops and phones quickly
  • 20000mAh capacity delivers up to 3.6 full charges for iPhone 15
  • Built-in USB-C cable doubles as a carrying strap and removes the need for extra cords
  • Charge three devices at once using the built-in cable, USB-C port and USB-A port
  • LED digital display shows remaining battery percentage while the built-in flashlight adds emergency light

Specifications

BrandINIU
SeriesCarry P51L
ModelP51L-P1
TypePower Bank
ColorBlack
Part NumberP51L-P1
Compatible Phone ManufacturerApple, Samsung, Google, Universal
Compatible Phone ModeliPhone 16/15/14/13/12, Samsung Galaxy S25/S24/S23/S22, Google Pixel, Universal USB-C Devices
Capacity20000 mAh
ChemicalLithium Polymer
Volt5V-20V
AmpUp to 3A
OutputUSB-C PD up to 45W; USB-A up to 22.5W
InputUSB-C PD up to 27W
Life Cycle500+ charge cycles
SpecificationsBuilt-in USB-C Cable, Digital Display, Flashlight, Charge 3 Devices Simultaneously
Features45W Fast Charging, Built-in USB-C Cable, LED Digital Display, Flashlight, Airline Safe, Universal Compatibility
Dimension4.5 x 2.9 x 1.1 in
Weight0.72 lb

Questions about this item

What does the USB-C PD 45W output cap at for laptop charging?

The USB-C Power Delivery port delivers up to 45 watts, enough to charge a MacBook Air or Steam Deck at full speed while the built-in cable and USB-A port share the remaining budget.

What are the exact dimensions so I can check if it fits my bag pocket?

It measures 4.5 by 2.9 by 1.1 inches and weighs 0.72 lb, matching the airline-safe 74 Wh limit for carry-on luggage.

How do I recharge the power bank itself using the built-in cable?

Plug the integrated USB-C cable into any USB-C PD charger up to 27 W; the cable handles both input and output, so no separate cord is needed.

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