USB C Wattage Picker
Modern USB C chargers advertise wattage in bold numbers that rarely translate to what your real devices need. A phone wants around twenty watts, a tablet thirty, a mid range laptop sixty five, and a dock with power passthrough can swallow ninety or more. Add them up and you quickly outgrow the tiny brick that came in the box. This picker takes the devices you plan to run together, assumes peak rated draw, and returns a total Power Delivery wattage plus a port count recommendation. Use it before ordering a replacement charger, a travel brick, or a desk multi port unit. All calculations happen in your browser, nothing leaves the page, and the output links back to our USB C hub guide for specific model picks.
Three tips before you buy
- Check the single port peak spec, not just the total. Some bricks advertise 100 watts total but only deliver 65 watts to any single port.
- Look for the PPS label if you own a recent Samsung phone or Steam Deck. PPS enables the fastest charging profile on those devices.
- Shorter cables carry more current cleanly. For anything above 60 watts, prefer a marked 100 watt rated cable under two meters.
FAQ
Does a higher wattage charger damage my phone?
No. USB Power Delivery negotiates down to whatever the device requests. A 100 watt charger plugged into a phone still delivers the phone rated speed.
Do I need a GaN charger?
GaN chargers run cooler and pack more watts into a smaller brick. For anything above 45 watts, they are worth the small price premium over legacy silicon designs.
Can one charger handle a laptop plus a phone?
Yes if it is a multi port PD charger. Budget around 65 to 100 total watts and check that one port can deliver the laptop rating solo.