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This 100W 20,000mAh 4-port USB-C power bank is less than an inch thick, and it’s 56% off now at $39.50 low

Courtesy of Baseus’ official Amazon storefront, you can now pick up the brand’s 100W 4-port USB-C Blade 20,000mAh power bank for just $39.49 shipped. Be sure to enter promo code LAE3AVHH at checkout to see the discounted price. This slim battery pack typically sells for around $90, so the coupon knocks over $50 off its usual price. Today’s 56% discount lands it a touch lower than the previous all-time low we’ve tracked for it to mark a new best price to beat. This is among the slimmest 20,000mAh power banks out there, and you can learn more about it below.

At just 0.7 inches thick, this Baseus power bank is slimmer than some laptops, making it easy to tuck into a backpack or travel bag without adding much bulk. Despite its sleek profile, it houses a sizable 20,000mAh battery and can deliver up to 100W of power through a single USB-C port for charging laptops, tablets, and other devices you may have in your EDC. It also features a second USB-C port alongside two USB-A ports, allowing you to charge multiple devices at the same time. Notably, there’s also a built-in digital display to show you real-time charging information, including power output, estimated time remaining until a full charge, and other useful battery stats.

Another Baseus deal worth grabbing right now gets you the brand’s 100W 6.6-foot USB-C cable with a built-in LED at $14. You might also want to stop by our smartphone accessories hub, where we’ve highlighted some other deals on chargers, power banks, item trackers, and so on.

Baseus Blade 100W 20,000mAh power bank features:

  • 100W Fast Charging: The Baseus blade portable laptop charger delivers 100W of power to charge devices like laptops, tablets, and smartphones quickly. Ideal for business travelers and college students, it efficiently powers even high-demand devices like MacBooks, offering reliable, fast-charging convenience without long wait times.
  • Ultra Slim: The 74Wh 100W power bank for laptop features an ultra-thin design, making it the slimmest option in its power class. Unlike other bulky, cylindrical power banks on the market, its sleek, flat profile slips easily into laptop bags and briefcases, taking up minimal space and offering powerful, portable charging.
  • Charge 4 Devices at Once: The 100W portable phone charger features two USB-C and two USB-A ports, allowing up to four devices to charge simultaneously. It also supports pass-through charging, so you can recharge the ultra slim laptop power bank while charging other devices—ideal for keeping all your tech powered on the go.
  • High Capacity: With a 20,000mAh battery capacity, this steam deck battery bank can charge your devices multiple times on a single charge. Ideal for long trips or busy days, it provides enough power to fully charge an iPhone 16 Pro 3.4 times and keep tablets running for extended periods, making it an ideal companion for those who rely on their devices throughout the day.

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Avatar for Karthik Iyer Karthik Iyer

Karthik Iyer is a writer at 9to5Toys, serving recommendations and deals on PC, games, computing parts, and other gaming accessories.


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