It depends on your needs.Choose jump starter JS-351 if you want faster USB-C PD charging, a smart screen, and a lightweight, high-tech power bank jump starter.Choose jump starter JS-383 if you're looking for an all-in-one emergency tool with AC inverter output and strong power to supply your electronics.

With 100W USB-C PD fast charging, the portable jump starter doubles as a powerful portable charger for digital devices—ideal for work or travel.

When selecting a portable emergency jump starter, key factors for choosing the best jump starter. If the jump starter is reliable 12V lithium-technology,the charging specifications you should learn more. Jump starter accessories like jump cables etc store power that can be output directly toward a dead battery. These are a much better option than jumper cables as they eliminate the need for another car.

After jump-starting a car, leave the jumper cables connected for about 10-15 minutes while the car is running, according to Mercedes-Benz of Daytona Beach. This allows the alternator to recharge the battery. For a more thorough recharge, Dairyland Insurance recommends driving for at least 15-30 minutes.