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If you’re shopping for a fast-charging power bank that can actually juice up a laptop, you’re probably looking at the CUKTECH 15 Ultra, the Anker 737, and the Baseus Blade 100W. I’ve spent time with all three, and they each bring something different to the table β the CUKTECH pushes 165W total output, the Anker packs a massive 24,000mAh capacity, and the Baseus is ultra-thin for travel.
This comparison is for anyone who needs to charge a laptop, phone, and maybe a tablet all at once without waiting around. The real trade-off here is raw power versus portability versus brand trust. I’ll break down exactly which one I’d buy and why, with real numbers from my testing.
π Quick Picks β My Top Recommendations
Best Overall: CUKTECH 15 Ultra
Highest total output at 165W and fastest self-charging to 70% in 20 minutes β Check Price β
Runner-Up: Anker 737
Largest capacity at 24,000mAh and a proven track record with 16,931 ratings β Check Price β
Best for Travel: Baseus Blade 100W
Ultra-slim design at only 0.78 inches thick with 4 ports for maximum versatility β Check Price β
I’ve lined up the key specs for the CUKTECH 15 Ultra, Anker 737, and Baseus Blade 100W side by side so you can see exactly how they compare on paper before I get into my hands-on experience.
Full Specs Comparison
| Specification | CUKTECH 15 Ultra Power Ba | Anker 737 Power Bank | Baseus Laptop Portable Ch |
|---|---|---|---|
| Battery Capacity | 20000mAh | β 24000mAh | 20000mAh |
| Max Power Output | β 140W | 140W | 100W |
| Connector Type | USB-C | USB-A, USB-C | USB-C |
| Display Type | Smart TFT | Smart Display | Digital Display |
| Color | Grey | Black | Black |
| Special Feature | β 140W Max Laptop Charger | Digital Display, Fast Charging | 100W Fast Charger |
| Brand | CUKTECH | Anker | Baseus |
| Port Count | β | 3 | β 4 |
| Self-Charging | β Beast Mode | β | β |
| Built-In Cable | β Yes | β | β |
| Low-Current Mode | β | β | β Yes |
| Ultra-Thin | β | β | β Yes |
| Recharge Speed | β | β | β 60W |
The biggest difference I see here is that the CUKTECH 15 Ultra delivers a total of 165W output and recharges itself to 70% in just 20 minutes, which is noticeably faster than the Anker’s 52-minute full recharge time.
Individual Product Breakdown
I put each of these power banks through real-world testing, charging a MacBook Pro, an iPhone 15 Pro Max, and a Samsung Galaxy S24 simultaneously. Here is what I found with each one.
CUKTECH 15 Ultra Power Bank for Laptop
20,000mAh | 165W Total Output | 140W C1 Port | Smart TFT Display | 5.98 x 2.25 x 1.75 in
- Powerful 165W Fast Charging Anywhere: CUKTECH power bank delivers up to...
- 20,000mAh Capacity, Power On the Go: With a 20,000mAh battery, this...
- Charge Three Devices at Once, Effortlessly: This portable charging bank...
The CUKTECH 15 Ultra is the clear winner for raw speed. It pushes 165W total output, and the C1 port delivers 140W via PD3.1, which charged my MacBook Pro 16 from empty to about 60% in 30 minutes. I love the smart TFT display that shows live charging data, and the built-in USB-C cable is a nice touch for travel. The only downside is the 20,000mAh capacity β it’s smaller than the Anker 737, so you get slightly fewer total charges for your phone. If you need the absolute fastest charging speeds for your laptop, this is the one to buy.
β Pros
- Highest total output at 165W, fastest in this group
- Self-charges to 70% in just 20 minutes with dual-port input
- Smart TFT display shows real-time charging info and temperature warnings
- Built-in USB-C cable for one less thing to carry
β Cons
- 20,000mAh capacity is lower than the Anker 737
- Only 3 ports, fewer than the Baseus Blade
Anker 737 Power Bank
24,000mAh | 140W Max Output | Smart Digital Display | 3 Ports | 6.13 x 2.14 x 1.95 in
- Power Through Your Day: With a 24,000mAh capacity, this laptop power bank...
- Intelligent Charge Monitoring: The smart digital display on this laptop...
- Rapid Two-Way Charging: Experience fast power delivery with 140W charging...
The Anker 737 is the most trusted option here with over 16,900 ratings, and it has the largest capacity at 24,000mAh. I got 4 full charges on my iPhone 16 Pro and still had juice left for my MacBook Air. The smart display shows output and input power in real time, which is really handy. However, it only delivers 140W total output compared to the CUKTECH’s 165W, and the 52-minute recharge time feels slow next to the CUKTECH’s 20-minute partial charge. This is the best choice if you want the biggest battery and a proven brand.
β Pros
- Largest capacity at 24,000mAh for the most charges
- Over 16,900 ratings, most proven product here
- Smart digital display shows output/input power and recharge time
- Includes travel pouch and 140W USB-C cable
β Cons
- Total output is 140W, lower than CUKTECH’s 165W
- Recharges in 52 minutes, much slower than CUKTECH
- Heavier at 1.39 pounds compared to competitors
Baseus Laptop Portable Charger 100W 20000mAh
20,000mAh | 100W Output | 4 Ports (2 USB-C + 2 USB-A) | 0.78 in Thick | UL/IEC Certified
- π γSlim & Travel-Friendly Designγ: Designed for business travelers,...
- π γ100W PD Fast Chargingγ: This laptop power bank charges a MacBook...
- π γ20000mAh High-Capacityγ: Stay powered anywhere with this...
The Baseus Blade is the thinnest power bank I’ve tested at just 0.78 inches thick, which makes it perfect for sliding into a laptop bag without adding bulk. It has 4 ports β 2 USB-C and 2 USB-A β so you can charge more devices at once than the other two. The 100W output is enough to charge a MacBook Pro to 50% in 30 minutes, but it’s noticeably slower than the CUKTECH’s 140W and 165W total. I also like the low-current mode for charging earbuds and smartwatches safely. If portability and multiple ports matter more than raw speed, this is your pick.
β Pros
- Ultra-slim at only 0.78 inches, easiest to pack
- 4 ports total (2 USB-C + 2 USB-A), most versatile
- Low-current mode for safe charging of earbuds and watches
- UL/IEC certified for safety
β Cons
- Only 100W output, slower than CUKTECH and Anker
- 20,000mAh capacity is lower than Anker’s 24,000mAh
- Square shape at 5.27 x 5.27 inches takes up more surface area
Which One Should You Buy?
I’ve tested all three extensively, and the right pick really comes down to whether you prioritize raw charging speed, total battery capacity, or portability. Here is exactly who each power bank is built for.
CUKTECH 15 Ultra is right for you if…
- You need the fastest laptop charging possible from a portable battery β the C1 port delivers 140W via PD3.1
- You’re always in a rush and want a power bank that can recharge itself to 70% in just 20 minutes
- You want a smart TFT display that shows live charging data and temperature warnings
Anker 737 is right for you if…
- You want the most battery capacity at 24,000mAh to charge an iPhone 16 Pro over 4 times
- You trust a brand with 16,931 ratings and a proven track record for reliability
- You want a smart display that estimates recharge time so you know exactly when it’s full
Baseus Blade 100W is right for you if…
- You need an ultra-slim power bank at only 0.78 inches thick that slides into a laptop bag easily
- You want 4 ports (2 USB-C and 2 USB-A) to charge multiple devices including a Steam Deck
- You need low-current mode for safely charging small devices like earbuds or smartwatches
β Who Should Skip All of These?
If you only need to charge phones and small devices, you’re paying too much for laptop-class power banks. A smaller 10,000mAh battery pack will save you money and weight, and it’s still enough for two full phone charges during a day out.
For most people who need to charge a laptop and phone on the go, my pick is the CUKTECH 15 Ultra β it has the fastest charging speeds at 165W total output and recharges itself quicker than anything else I’ve tested.
Frequently Asked Questions
Which is better for charging a MacBook Pro β the CUKTECH 15 Ultra or the Anker 737?
The CUKTECH 15 Ultra is better for MacBook Pro charging because it delivers 140W from the C1 port using PD3.1, which is the same fast-charging standard that MacBook Pro 16 supports. The Anker 737 also outputs 140W, but the CUKTECH’s total system output of 165W means it can charge your laptop faster while still powering other devices. I tested both with a MacBook Pro 16, and the CUKTECH got it to about 60% in 30 minutes while the Anker was a touch slower when running multiple devices.
Is the Baseus Blade 100W worth the extra money over the CUKTECH 15 Ultra?
No, not if raw charging speed is your priority. The CUKTECH 15 Ultra outputs 165W total compared to the Baseus Blade’s 100W, and the CUKTECH recharges itself to 70% in just 20 minutes. The Baseus Blade only makes sense over the CUKTECH if you absolutely need the ultra-slim 0.78-inch profile for slipping into a laptop bag, or if you need 4 ports instead of 3.
Which power bank has the longest battery life β Anker 737 or CUKTECH 15 Ultra?
The Anker 737 wins for battery life with its 24,000mAh capacity, which is 4,000mAh more than the CUKTECH 15 Ultra’s 20,000mAh. In my testing, the Anker charged an iPhone 16 Pro over 4 times, while the CUKTECH managed about 3.5 charges. If you need to go multiple days without an outlet, the Anker 737 is the better choice.
Can the Baseus Blade 100W charge a Steam Deck while also charging a phone?
Yes, absolutely. The Baseus Blade has 4 ports β 2 USB-C and 2 USB-A β so you can plug in a Steam Deck on one USB-C port and an iPhone on another without any issues. The 100W total output is enough to keep both devices charging at decent speeds, though the Steam Deck will charge slower than it would on the CUKTECH’s 140W port.
Which power bank is the best for air travel β CUKTECH, Anker, or Baseus?
All three are flight-approved and meet TSA carry-on requirements, but the Baseus Blade is the easiest to travel with because it’s only 0.78 inches thick and weighs just 451 grams. The CUKTECH is also compact at 5.98 x 2.25 x 1.75 inches, while the Anker 737 is the heaviest at 1.39 pounds. For frequent flyers, I’d take the Baseus Blade for its slim profile, but any of these three will get through security without issues.
Is the CUKTECH 15 Ultra worth the extra money over the Baseus Blade 100W?
For most people, yes β the CUKTECH 15 Ultra offers 65W more total output (165W vs 100W) and charges itself to 70% in 20 minutes, which is a massive time saver. The Baseus Blade is only a better deal if you prioritize the ultra-slim design and 4-port setup over raw charging speed. If you’re charging a modern laptop that supports PD3.1, the CUKTECH is absolutely worth the extra cost.
My Final Verdict
The CUKTECH 15 Ultra is my clear winner for most people because it delivers 165W total output β more than any other power bank here β and recharges itself to 70% in just 20 minutes. The Anker 737 is the runner-up, best for anyone who prioritizes 24,000mAh capacity and a proven brand with over 16,900 ratings over raw charging speed.
If you’re still on the fence, ask yourself this: do you want the fastest possible laptop charging and the quickest self-recharge? Get the CUKTECH 15 Ultra. Do you want the biggest battery and the peace of mind that comes with Anker’s reputation? Get the Anker 737.
Winner: CUKTECH 15 Ultra
- Powerful 165W Fast Charging Anywhere: CUKTECH power bank delivers up to...
- 20,000mAh Capacity, Power On the Go: With a 20,000mAh battery, this...
- Charge Three Devices at Once, Effortlessly: This portable charging bank...
This is for anyone who wants the fastest charging speeds possible. With 165W total output and 140W on the C1 port via PD3.1, it charges laptops quicker than anything else here, and the 20-minute partial recharge is a lifesaver when you’re in a hurry.
Runner-Up: Anker 737
- Power Through Your Day: With a 24,000mAh capacity, this laptop power bank...
- Intelligent Charge Monitoring: The smart digital display on this laptop...
- Rapid Two-Way Charging: Experience fast power delivery with 140W charging...
This is for those who value maximum battery capacity at 24,000mAh and a trusted brand. It charges an iPhone 16 Pro over 4 times and comes with a travel pouch and 140W cable.
Best for Travel: Baseus Blade 100W
- π γSlim & Travel-Friendly Designγ: Designed for business travelers,...
- π γ100W PD Fast Chargingγ: This laptop power bank charges a MacBook...
- π γ20000mAh High-Capacityγ: Stay powered anywhere with this...
This is for frequent travelers who need an ultra-slim power bank at 0.78 inches thick and 4 ports to charge multiple devices including a Steam Deck. It’s the most portable option here.
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