Running out of battery mid-flight or during a marathon workday is bad enough but finding no outlet for your laptop makes it even worse. A great way to get around this is a power bank.
Right now, the Baseus Blade portable power bank, normally priced at $100, is down to $55 on Amazon. And you can bring it even lower to $40 with the code 3M6HOJ2F. We're not sure how long this deal will last, so you should shop sooner rather than later.
Designed for business travelers, the Blade is slim and flat enough to easily slip into your laptop bag without adding bulk. It's TSA-approved and FAA-compliant, too.
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This thing has enough juice (20,000 mAh) to push a MacBook Pro to 50% in about 30 minutes, or keep your phone topped up through multiple charges. With a dual USB-C and dual USB-A ports, it handles laptops, tablets and accessories all at once.
If this Baseus Blade doesn't suit your needs, take a look at our round-up of the best portable chargers and power banks for Androids. Or browse through our picks for the best budget laptops -- who knows, you might find your next upgrade.
Why this deal matters
The Blade's flat design makes it easier to carry than bulky brick-style chargers. It's a reliable backup for students, remote workers or anyone who hates being tethered to wall outlets. At $40, you're also getting real-time power display and multiple safety certifications.



