Anker’s Laptop Power Bank deal is a massive work trip upgrade

When it comes to on-the-move charging, the Anker Laptop Power Bank for $105 (was $120) at Amazon is a total beast. It’s so powerful, you can even stay productive on your laptop while sitting on the beach this summer if you really want to.

That’s because this isn’t just your everyday power bank. With a long-lasting 25,000mAh battery and three 100W USB-C ports capable of charging larger devices like laptops, this is one of the most powerful devices of its class. In the UK, it’s currently discounted to £75 (was £90) at Amazon, too.

In our review, we found that while it’s not exactly the easiest to carry, “considering the spec and superb build quality, it’s still great value.” Bonus points, too, for including two retractable cables so you never have to worry about forgetting your own leads.

In our 4-star review, we awarded the Anker Laptop Power Bank a TechRadar Recommends badge, and said “If you’re a power user who travels with large devices, you likely won’t be disappointed with the Anker Laptop Power Bank as your companion.”

The 165W total output is the headline spec, and it earns its place on the box. Most portable chargers marketed at laptop users top out at 65–87W on their highest-output port, which is adequate for most ultrabooks but leaves power-hungry 16-inch laptops and mobile workstations underserved. At 100W per port, this Anker bank handles everything from a MacBook Pro M4 to a ThinkPad T16 at full charge speed, without any of the port-sharing throttling that affects cheaper multi-port power banks.

The built-in retractable cables are the feature that changes how you actually use the thing. A dedicated USB-C cable is always the right length, already attached, and can’t get left at home or tangled in a bag. The retractable mechanism means the cables snap cleanly back into the housing when not in use, keeping the whole unit neat. For laptop users who already carry a cable between the power bank and their computer, eliminating that one extra item is a small quality-of-life improvement that adds up over a long travel day.

At 25,000mAh, the capacity math works out well for typical use cases. A 15-inch MacBook Pro with its 70Wh battery gets charged from flat just under twice over; a laptop with a 50Wh battery gets charged roughly twice and a half. A phone with a 4500mAh battery gets charged around four times. The realistic expectation for a two-day business trip or a transatlantic flight is that this keeps a laptop and a phone topped up without needing a wall outlet in between.

Flight-ready certification matters more than it might seem for frequent flyers. The FAA and most international aviation authorities limit carry-on power banks to 100Wh; this bank sits within that limit, meaning it won’t be confiscated at security. Anker prints the compliance information clearly on the unit itself, which is a small but practical detail when you’re fielding questions from a security officer at 6am.

Anker’s ActiveShield 2.0 temperature monitoring is worth understanding for buyers who plan to leave this plugged in charging devices overnight or during a flight. The system samples the internal temperature over 3 million times a day and dynamically adjusts charging parameters to keep the battery and connected devices within safe thermal limits. It’s a meaningful safety layer above what generic power banks provide, and it’s part of why Anker has maintained a better reliability reputation than its lower-cost competitors over many years of testing.