Running out of battery during a long flight, a full day of meetings or a cross-country train ride turns your expensive laptop into a glorified paperweight. Power outlets at airports and coffee shops are either occupied or nonexistent and watching your battery percentage drop below 10% creates anxiety when you’re in the middle of important work. The Anker 25,000mAh laptop power bank solves this problem by carrying enough juice to fully charge a MacBook Pro multiple times, and it’s now available for $91, down from $134.
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This power bank is unique in that it’s designed with laptops and high-power devices specifically in mind which is not usually possible with portable chargers. The 25,000mAh capacity is equivalent to about 90 watt-hours of onboard energy storage, which means you can top off a standard 13-inch MacBook Air 1.5 times, a MacBook Pro 14-inch a single time fully or sustain an iPad Pro through several workdays’ worth of usage. With phones, you can expect six to eight complete charges on an iPhone 17 or Samsung Galaxy.
Comparable Power Output as your Laptop Charger
Every one of its three USB-C ports can output up to 100W of power which is what most laptop chargers are capable of outputting. It makes a difference because lower-watt power banks may advertise that they can charge laptops but output power so slowly that your Battery still drains as you work. With 100W to output per port, you can fast-charge a MacBook Pro while charging a tablet and phone at top speed at the same time. Maximum output is 165W when both ports are engaged, outputting power smartly across devices that are connected.
The twin built-in cables eradicate portable charging’s most annoying aspect: remembering to pack the appropriate cables. One USB-C cable stretches up 2.3 feet, allowing you flexibility to keep the power bank in your bag while your laptop is on a tray table or desk top. This retractable cable is good for over 20,000 retractions so you are not working with a mechanism that fails after several months’ usage. The second USB-C cable is 0.98 feet long and serves as a carry strap as well.
Having four devices you can power at once changes your travel and remote-working adventures. The two onboard USB-C ports accommodate your laptop and your tablet, with another USB-C and another USB-A accommodating phones, wireless headphones, e-readers, portable gaming handhelds, or any other USB-powered devices you might want to power on your travels. In effect, you are carrying your own mobile charging depot that keeps your entire tech universe juiced up for the whole day.
The 100W ultra-fast recharging can therefore mean that the power bank itself is never a bottleneck. Insert it in a 100W charger and it’s up to 30% capacity in 22 minutes – quick enough to top up on a lunch break or flight layover. Recharge to 100% is 90 minutes with a suitable charger compared to lower-grade power banks which require five to six hours to fully recharge.
Anker made this power bank travel-friendly with airline rules in mind, holding it to 90Wh capacity, only slightly below 100Wh of capacity that most airlines place on carry-on batteries. It can be taken on planes without special permission which makes it truly practical for vacations as well as business travel.
At $91, this power bank costs less than many basic 10,000mAh models that can’t even charge a laptop properly. You’re getting triple the capacity, actual laptop-grade power output, built-in cables that eliminate the packing hassle, and the ability to charge multiple devices at full speed.
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