Review: The INIU P41 45W — My Pick for the “One Bank” Travel Rule
I’ve been using the INIU P41 45W Fast Charging PD Power Bank (10,000mAh) for a few months now, and I’ve been really liking its feature set. It has two USB-C ports and a USB-A port. While the USB-C ports support up to 45W, keep in mind that the actual power you get depends on your specific device.
Instead of a digital screen, this model has a cute pawprint indicator where each toe lights up and ticks down as the juice runs out. Honestly, even though INIU’s more expensive models have a full screen, I find I don’t really need it and wouldn’t pay extra for it. At 6.4oz (182g), this device is also impressively light.
Pocketability vs. Capacity I’ve been comparing this to the Anker Nano (22.5W/5,000mAh). The Anker is more “tubular”—narrower but much thicker. The INIU P41 is a flat rectangle, which I prefer. It’s extremely slim, so it fits perfectly in my pocket right against the back of my iPhone 16 Pro Max. Considering this has double the capacity of the Nano, it doesn’t feel much bulkier in a pocket, though it’s definitely heavier.
Another plus: it stays remarkably cool. Even while fast-charging the iPhone, it doesn’t get warm. The extra capacity is the real winner here—where the Anker Nano couldn’t quite finish a full charge on my Pro Max, the INIU gives me roughly 1.5 full charges.
The “Strap” Cable and Flexibility
One thing I love is that it has two USB-C ports rather than one port and a permanently attached cable. That gives you way more flexibility. However, it does come with a clever detachable USB-C cable that acts as a carrying strap. It feels really sturdy, and since it’s not permanently wired in, you aren’t stuck with a useless brick if the cable eventually wears out.
It also includes a USB-A port for older gear and supports passthrough charging, so you can charge the battery and your phone at the same time overnight. As a “hidden” bonus, there’s even a built-in LED flashlight between the ports—great for finding things in a dark plane cabin or a backpack.
Can it handle a laptop? This can technically charge a laptop, but think of it as an emergency boost. It gives my 13-inch M2 MacBook Air about a 50% charge. If you’re a heavy laptop user, you might consider the INIU P62-E1 (20,000mAh), which can do a full charge, but that unit is nearly double the weight at 11.4oz (323g).
The New “One Bank” Reality If you haven’t traveled recently, the rules have changed. After the cabin fire incidents in January 2026, airlines have started cracking down hard. As of April 20, 2026, Southwest officially limits passengers to just one power bank, and it must be stored under your seat (not in the overhead bin). Other carriers are following the ICAO’s lead with a strict two-bank limit.
This is why I’ve switched to the P41 as my primary travel bank. Since I can’t just carry three small batteries anymore, I need one that hits the perfect balance: enough capacity to charge my iPhone and iPad, but slim enough to stay in my pocket or a small personal item under the seat as required.
Final Thoughts The capacity is great, it stays cool, and it recharges itself quickly if you have a 45W wall brick. If you’re looking for the one “legal” power bank to carry on your next flight that won’t bulk up your pockets, this is a fantastic choice.