Anker 25K 165W vs Anker 737: Power Bank Comparison
Anker 25K 165W vs Anker 737 compared on output, built-in cables, capacity, size, display and warranty, based on the manufacturer listings.
By GadgetsDiary Editorial Team
Updated November 12, 2026
Safety: Power banks contain lithium-ion cells. Use the cables the manufacturer supplies or recommends, keep the unit away from heat, and follow the manual.
The Anker 25K 165W and the Anker 737 take different routes to laptop charging: the 25K builds in two cables and spreads 100W across three USB-C connections, while the 737 offers a single 140W-class output with a display.
This comparison is based on the manufacturer listings. It is meant for buyers choosing between built-in cables and higher single-port output. See more options in our Laptop Power Banks category.
At a Glance
| Feature | Anker 25,000mAh 165W Laptop Power Bank | Anker 737 Power Bank |
|---|---|---|
| Capacity | 25,000mAh | 24,000mAh |
| Output | 165W total, up to 100W per USB-C connection | 140W with PD 3.1 |
| Ports | 2 built-in USB-C cables, 1 USB-C, 1 USB-A | 3, types not listed |
| Dimensions | 6.18 x 2.12 x 1.93 inches | 6.13 x 2.14 x 1.95 inches |
| Cable | Two built-in cables | 140W USB-C cable included |
| Display | Not listed | Smart display |
| Airline | States 100Wh compliance | States carry-on compliance |
| Warranty | 18 months | 24 months |
Anker Laptop Power Bank, 25,000mAh Travel
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Anker 737 Power Bank, 140W 24,000mAh 3-Port Laptop
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Output and Charging
The 25K lists 165W total with up to 100W on each of three USB-C connections. That fits laptops with chargers up to 100W and lets several devices charge at once. The 737 lists up to 140W, which suits larger laptops.
If your laptop charger is rated above 100W, the 737 is the better fit. If you mainly charge a mid-size laptop and a phone, the 25K covers both with built-in cables.
Capacity, Size and Cables
The two are close in size: 6.18 x 2.12 x 1.93 inches against 6.13 x 2.14 x 1.95 inches. The 25K lists 25,000mAh against 24,000mAh. The weight in the 25K listing looks inconsistent, so check the product page before relying on it.
The 25K has two built-in cables that cannot be swapped. The 737 ships with a detachable 140W cable, which is easier to replace.
Features and Warranty
The 737 adds a display showing input, output and estimated recharge time. The 25K listing does not describe a display.
Anker lists 18 months for the 25K and 24 months for the 737.
Which One Should You Buy
| Choose the Anker 25,000mAh 165W Laptop Power Bank if | Choose the Anker 737 Power Bank if |
|---|---|
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Final Verdict
The Anker 25K 165W suits travelers with a laptop up to 100W who want no loose cables, while the Anker 737 suits owners of larger laptops who want 140W and a display. Match the output to your charger rating and confirm airline rules for the exact rating before you fly. See the Anker 25,000mAh 165W Laptop Power Bank or the Anker 737 Power Bank on Amazon.
Frequently Asked Questions
Which charges a larger laptop?
The Anker 737 lists up to 140W, while each USB-C connection on the 25K lists up to 100W.
Which has built-in cables?
The Anker 25K, with two built-in USB-C cables. The 737 ships with a detachable cable.
Which has a longer warranty?
The Anker 737 lists 24 months and the 25K lists 18 months.
Can I take either on a plane?
Anker states carry-on compliance for both. Check the rating on the unit and your airline policy.
About the author
The GadgetsDiary editorial team compares portable power and charging products using manufacturer specifications and Amazon listing data. Read how we choose and rank products on our How We Review and Editorial Policy pages.