A good USB-C charging setup matches the device, charger or power bank, and cable. The highest wattage on the box is a ceiling, not the speed every connected device receives. Check supported charging profiles and multiport power allocation.
Begin with the device
Look up the charging requirements for your laptop or phone. A compatible device negotiates power with the charger; buying a larger wattage number does not automatically make it charge faster. The target is a compatible, adequate supply.
Choose the cable as part of the system
Charging speed can depend on the cable as well as the power source. Anker states that the 737’s maximum 140W output requires a compatible PD 3.1 device and cable. A familiar USB-C shape alone does not establish that capability.
Read the shared-output table
A multiport charger can advertise one large total while allocating power differently when several devices are connected. Check the allocation for the combination you intend to use. A laptop plus a phone is a different scenario from a phone alone.
Size the battery around the routine
A large power bank is useful when a laptop needs to work away from an outlet. For a phone-only day, its extra bulk may be unnecessary. Capacity and portability should be chosen together rather than treated as separate specifications.
Make fewer, better purchases
Before buying another accessory, list the devices you carry and the cables you already own. A suitable wall charger, a capable cable, and a power bank with a clear role make a more useful kit than several overlapping products.
A product worth considering
Anker 737 Power Bank: A 24,000mAh power bank with up to 140W USB-C output for a compatible laptop-and-phone setup.
Common questions
Will a 140W power bank force 140W into a phone?
No. Compatible USB Power Delivery devices negotiate the power they can use.
Why does charging slow down?
The device battery state, temperature, supported charging profiles, cable, and shared-port use can all affect charging power.
Product details: Anker product information, checked October 19, 2026. See how we evaluate technology.
We may earn a commission from qualifying purchases through affiliate links.