How to Choose a Fast Car Charger for Road Trips
By ToughTested | Published: 2026-10-21
Category: How-to Guides
Learn how to pick a fast car charger for your vehicle. Compare USB-A, USB-C, and PD options with clear decision rules and trade-offs.
Quick answer
For the fastest charging on the road, choose a car charger with Power Delivery (PD) and a USB-C port, such as the ToughTested 20W PD Car Charger Kit. If you primarily charge older USB-A devices, a reliable dual-port option like the ToughTested PowerShare 15W Dual USB Car Charger is a practical, budget-friendly choice.
USB-A vs. USB-C: Which port matters more?
USB-A ports are common in older phones and accessories, but they typically deliver lower power (5-12W). USB-C ports support higher wattage and faster charging protocols like Power Delivery. If your phone or tablet uses USB-C, a charger with a USB-C PD port will charge it significantly faster than a USB-A port alone.
However, if you still use devices with micro-USB or Lightning cables (via USB-A), a dual-port charger that includes both USB-A and USB-C gives you flexibility without needing adapters.
Wattage and charging speed: What to look for
Higher wattage means faster charging, but only if your device supports it. A 20W PD charger can charge an iPhone 15 from 0-50% in about 30 minutes, while a standard 5W charger takes over two hours. For Android phones that support faster charging (25W-45W), a 20W PD charger still provides a solid speed boost, though not the maximum possible.
The trade-off: higher wattage chargers often cost more. If you only need to top off your battery during a short commute, a 15W dual-port charger may be sufficient and more affordable.
Cable included or not?
Some car charger kits come with a built-in cable, which saves you from buying one separately. The ToughTested 20W PD Car Charger Kit includes a 6-foot USB-C cable, so you're ready to charge right out of the box. Other chargers, like the ToughTested PowerShare 15W Dual USB Car Charger, do not include a cable, so you'll need to supply your own.
If you don't have a high-quality USB-C cable handy, a kit with a cable can be more convenient. But if you already own cables, buying a charger alone may be more cost-effective.
Decision rules for choosing a fast car charger
- Check your device's charging port: If your phone or tablet uses USB-C, choose a charger with a USB-C PD port for fastest charging. If you use older devices with micro-USB or Lightning (via USB-A), a dual USB-A charger works fine.
- Match wattage to your device's capability: A 20W PD charger is ideal for most modern smartphones. For older phones that top out at 10-12W, a 15W dual-port charger is sufficient and cheaper. Check your device's maximum charging wattage to avoid paying for speed you can't use.
- Decide if you need a cable included: If you don't have a high-quality USB-C cable, a kit with a cable (like the ToughTested 20W PD Car Charger Kit) saves you an extra purchase. If you already have cables, buy a charger alone to save money.
- Consider how many devices you charge at once: If you frequently charge two devices simultaneously, a dual-port charger is essential. Single-port chargers are smaller but limit you to one device. For road trips with multiple passengers, a dual-port charger is almost a necessity.
Product facts
- ToughTested PowerShare 15W Dual USB Car Charger, USB-C + USB-A: Car charger built for reliable in-vehicle charging, great for commuting, road trips, and mobile power. Its compact design and dual USB ports make it a straightforward choice if you need to charge two USB-A devices without extra features.
ToughTested PowerShare 15W Dual USB Car Charger, USB-C + USB-A - ToughTested 20W PD Car Charger Kit with USB-C Cable: 20W Power Delivery car charger with a 6-foot USB-C cable included. The included cable means you can start fast charging your USB-C phone or tablet immediately, without a separate purchase.
ToughTested 20W PD Car Charger Kit with USB-C Cable
Which charger fits you?
Best for
- Users with USB-C smartphones who want the fastest charging: ToughTested 20W PD Car Charger Kit
- Budget-conscious users who charge older USB-A devices: ToughTested PowerShare 15W Dual USB Car Charger
Not for
- Users who need to charge laptops or high-power tablets (45W+): consider a higher-wattage PD charger
