This guide covers the essentials of phone and tablet charging in one place — the standards, trade-offs, and practical buying advice that matter most.
- USB-C has become the near-universal physical connector, but fast-charging speed still depends on matching standards like USB-PD or Qualcomm Quick Charge.
- Wireless charging trades some speed for convenience, with Qi2’s magnetic alignment addressing the biggest weakness of earlier wireless pads.
- Cable quality — specifically wattage rating and e-marker chips — matters as much as the charger itself for reaching a device’s maximum charging speed.
The rest of this section breaks each of these topics down in more depth, covering specific devices, standards, and buying scenarios.