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Choosing a phone charger and cable

Last updated September 24, 2026

Chargers and cables are among the most common deal items. They're also an area where a very cheap product can be a poor choice. Here's how to pick one sensibly.

Match the connector

Check which port your phone has. Most recent phones use USB-C; some older phones use other connectors. Then check the charger's output port — many modern chargers have a USB-C output, so you'd need a USB-C cable on that end too.

Understand power (watts)

A charger's wattage (W) tells you the most power it can supply. Your phone decides how much it actually takes. A higher-watt charger won't harm a compatible phone, but your phone won't charge faster than it's designed to.

  • Check your phone maker's specifications for its maximum supported charging speed.
  • Fast charging usually depends on a shared standard, such as USB Power Delivery (USB PD). Check that the charger supports a standard your phone uses.

Multi-port chargers

Chargers with two or more ports often split their total power between the ports. A "65W" charger might only give a fraction of that to each device when several are plugged in. Look for the per-port breakdown in the specifications.

Cable quality

  • Length: Longer cables are more convenient but can be bulkier.
  • Rating: For higher-power charging, the cable must also be rated for that power.
  • Build: Reinforced ends and braided jackets can help with durability, but they're not a guarantee.

Safety marks

Look for independent safety certification marks relevant to your country. In the United States, marks from recognized testing laboratories (such as UL or ETL) indicate the product type was tested for safety. Be cautious with unbranded chargers that list no safety information, and never use a charger that gets extremely hot, smells, or is damaged.

Summary

  1. Match the connector on both ends.
  2. Check which fast-charging standard your phone supports.
  3. For multi-port chargers, read the per-port power.
  4. Choose a cable rated for the power you need.
  5. Look for recognized safety certification.

This guide is general information, not professional advice. Always check the product details, seller, and return policy on the store's page before buying.