INIU Cougar P63-E1 Review: Ultra-Compact High-Capacity Power Bank for Travel
As laptops have become more powerful, their energy demands have increased significantly, with many of the latest models requiring higher wattage charging to stay powered throughout the day. This has created a growing demand for more capable portable charging solutions that can keep up with these power-hungry devices. High-capacity power banks are designed to meet those needs, offering enough battery capacity and charging output to keep laptops and other essential devices charged while on the go. For a power bank that’s super-portable and powerful enough to keep your laptop and other devices topped off, check out the INIU Cougar P63-E1.
The INIU Cougar P63-E1 is a portable power bank powered by a high-capacity 25,000mAh battery, featuring a USB-C port that delivers up to 100W PD output for fast charging and supports 65W input, along with a USB-C and USB-A port that offer up to 45W and 18W output, respectively. It comes equipped with a detachable USB-C cable that doubles as a lanyard and integrates an LED display. The power bank can charge up to 3 devices simultaneously, supports pass-through charging, and boasts an 18-layer SmartProtect system.
Designed to deliver fast, stable charging for laptops on the go, this portable power bank can recharge all your devices in minutes. It’s the perfect charging solution for professionals, students, travelers, photographers, and creators who need reliable, fast, and portable power.
Below is our review of the INIU Cougar P63-E1, where we talk more about its design, port selection, charging performance, battery capacity, safety features, and discuss how it compares with other compact laptop-ready power banks.
Design and Build Quality
Starting with its size, this portable power bank has an ultra-compact form factor. It measures just 4.3″ long by 2.7″ wide by 1.4″ thick (11 x 7 x 3.6 cm). It’s small size is achieved by fusing proprietary high-density TinyCell technology with cutting-edge HyperStack architecture. This allows it up to 30% smaller than similar models, making it one of the smallest power bank options for laptop charging. The power bank is also rather lightweight, weighing only 13.83 oz. (392.3 g).
INIU Cougar P63-E1
Its compact footprint also makes it airplane-safe, meaning you can carry it inside your carry-on luggage under most airline regulations. The power bank also comes equipped with a detachable, heavy-duty, nylon-braided USB-C charging cable that doubles as a rugged lanyard, making it easy to carry.
The INIU Cougar P63-E1 also sports a sleek design. It’s body has rounded corners that make it more comfortable to hold in comparison to brick-style power banks. It comes in a solid Black color with a glossy finish. Furthermore, the power bank also packs a durable, high-quality construction. Its outer shell is rated to be impact-resistant and can withstand accidental drops and freezing temperatures for a maximum of 24 hours.
Ports and Charging Performance
We’ll now have a closer look at the power bank’s interface. Starting with its charging ports, the INIU Cougar P63-E1 features a USB-C port that can deliver up to 100W PD output, providing fast, stable fast charging for laptops, while also supporting up to 65W input. Its 100W USB-C port can seamlessly fast-charge MacBooks, Dell, Lenovo, and HP laptops, as well as drones, cameras, tablets, smartphones, and even handheld consoles like the Steam Deck.
In just 30 minutes, the INIU Cougar P63-E1 can charge a MacBook Pro 14″ from 20% to 74% of battery capacity, the iPhone 17 Pro Max from 20% to 77% power, or the Samsung Galaxy S26 Ultra from 20% to 91% via its 100W PD USB-C fast-charging port.
Additionally, the power bank features a secondary USB-C port that delivers up to 45W output, plus a USB-A port that offers up 18W output. The power bank can charge up to three devices simultaneously through its three USB ports, such as a laptop, tablet, and phone all at once with smart power distribution. It supports a total combined output of 80W watts for its three USB charging ports.
What’s more is that it also supports pass-through charging, allowing you to recharge the power bank itself plus any connected devices at the same time.
Integrated at the top side, the power bank features an LED display that shows its current battery status.
Battery Capacity and Safety Features
For its power, the power bank leverages a high-capacity 25,000mAh battery, allowing to charge multiple devices before running out of power. For example, it can charge a MacBook laptop up to 1.3 times over, or charge the Steam Deck at least 1.2 times, providing these devices with enough power for up to two days of use.
Moreover, it also boasts an 18-layer SmartProtect system, which gives it protection against both high- and low- temperature charging and discharging, battery short-circuits, under-voltage charging, as well as overheating, overcurrent, and much more. This safety protection feature ensures safe, reliable charging for all your devices at all times.
How the INIU Cougar P63-E1 Compares to the Competition
The power bank market includes several strong alternatives. The Anker Prime 27,650mAh offers substantially higher output capabilities and premium features. However, it costs significantly more and weighs considerably more than the INIU Cougar P63-E1. Users who need maximum performance may prefer Anker, but travelers often appreciate the INIU’s portability.
The UGREEN Nexode 165W provides additional charging power and extra features. However, it also weighs more, and comes at a higher price tag. Frequent travelers focused on portability may find the INIU a more balanced option.
The Baseus Blade 100W 20,000mAh remains a popular laptop-focused alternative. It offers a slimmer profile but sacrifices on battery capacity compared with the INIU Cougar P63-E1.
Where the INIU Cougar P63-E1 consistently distinguishes itself is in its balance of features. Many competitors offer either more power, more capacity, or lower prices. Still, few combine compact, airline-friendly dimensions with a 25,000mAh battery capacity and 100W PD fast-charging that’s laptop-safe, all for a budget-friendly price.
Pricing and Availability
If you’re interested in purchasing the INIU Cougar P63-E1, know each is currently discounted from $75.99 down to $66.99.
You can buy it on Amazon via the link below.
Last update on 2026-09-23 / Affiliate links / Images from Amazon Product Advertising API
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