Toss the right laptop power bank in your bag, and you’ll never need to do that panicked run to the nearest outlet again. A hefty portable charger frees you to sit anywhere with your laptop and keep it running. Power banks with USB-C ports can charge phones and headphones as well, and I’ve tested more than 100 of them over the past few years. These powerful, high-capacity portable batteries are the best ones when laptop charging is a priority. For this guide, I considered power banks that are 20,000 mAh and up, enough to charge most laptops twice.
News
If you want some smaller portable chargers, check out my guide to the Best Power Banks or Best Qi2 and MagSafe Power Banks, or for more power, the Best Portable Power Stations.
Updated August 2026: I added power banks from ReelCharge and Pisen, removed some older devices, and updated prices.
Details
Power bank manufacturers have made strides in pushing up potential charging rates in their high-capacity portable chargers. EcoFlow’s Rapid Pro X is a prime example, just edging out Anker’s Prime series below. Capable of delivering 300 watts, this power bank is close to the maximum capacity allowed on flights, and can charge a couple of laptops and phones at the same time via the three USB-C ports (140W, 65W, 65W) and a retractable USB-C cable (140W). It has a wee display showing remaining power
The Rapid Pro offers a laundry list of charging capabilities (PD3.1, PPS, QC3.0, AFC, Apple2.4A, BC1.2, SCP, FCP, UFCS), but its greatest feature could be its super speedy recharge rate. Charge from a single USB-C input at 140 watts, and it takes an hour or so to fill, but you can plug in both at once to hit 80 percent from dead in under half an hour. Even better, Ecoflow’s dock can charge via the pogo pins on the bottom at 320 watts, enabling you to go from zero to 80 percent in just 20 minutes
| Ports: USB-C x 3, retractable USB-C cable |
Analysis
| Charges: Most laptops one to two times |
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