Ifyou plug a Type C cable from a laptop — like that of the MacBook Air or Dell XPS 15 — and use that to charge a phone supporting USB Type C — like a Samsung Galaxy S10+ or a Google Pixel 3 XL — it will charge a phone, and likely faster than the phone's charger normally handles things. Isit safe to charge my iPhone 7 directly from a PC's USB port, using an extra (genuine) lightning to USB cable that I possess. Is it any different if the "PC" is an iMac. Some posts say it's slower but not harmful. And a few say it actually can damage the battery. The idea being that I can keep my original charger at home and carry LaptopsFor Dummies, 6th Edition. You must charge your laptop battery to keep it operational. You charge your laptop battery by plugging the laptop into a wall socket. You can recharge your battery whether the battery is fully drained or not. Note that lithium-ion batteries have a rapid-charging option. Afteryou connect the charger, the indicator light glows green if your battery is fully charged or glows amber if your battery is charging or charging is on hold. These Mac laptops can charge with MagSafe 3: MacBook Air introduced in 2022 or later. 14-inch MacBook Pro introduced in 2021 or later. 16-inch MacBook Pro introduced in 2021 or later USBC charging. For Surface devices that have a USB-C port, you can choose to charge your device using that with a USB Type-C PD charger. If you choose to do so, keep these things in mind: For best performance, we recommend using a USB-C PD charger that provides at least the same wattage as the power supply that was designed for your Surface. Youre better off using something with higher amperage. Pretty sure the Switch will safely take up to 5 amps. By comparison.. Computer USB port provides 500mA (900mA for USB3) Most smartphones ship with a provided 1A charging block. Nice (generally aftermarket) phone charging blocks give (usually) 2.1A. The switch dock gives 2.6A. Yourphone manufacturer's charger may let you fast charge your phone based on its wattage capacity. But laptop chargers have much higher wattage, and understandably so since the laptop is a much bigger device. Now, although the bigger laptop charger may have more charging capacity than what your phone requires, both your phone and your laptop Iwant to be able to power my laptop (Inspiron 600m) in the car, and I have read some suggestions, both in this forum and elswhere, that say that a power inverter is a better deal than an auto/air adapter: inverters are cheaper (under $50), will definitely allow the laptop to charge (which some auto/air adapters won't, for some laptops), and more versatile since they can be used with any Viewat Amazon. Best value power bank. Hitting the perfect sweet spot in terms of battery, versatility, and price, the Krisdonia 50,000mAh Power Pack is the best value laptop power bank overall. It comes with a massive 50,000mAh battery, which provides enough juice to power a 65W laptop about 2.5 times and a smartphone about 11-18 times. Theanswer is: YES and NO, it depends on the situation. Having a battery fully charged and the laptop plugged in is not harmful, because as soon as the charge level reaches 100% the battery stops receiving charging energy and this energy is bypassed directly to the power supply system of the laptop. However there's a disadvantage in keeping the UkF0J3a.