NuPower is a small and lightweight 2-in-1 laptop and smartphone charger combo.
SpecsUpdate
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Pros
Pro Good power delivery
The 60-watt NuPower can quickly charge most popular laptops under 14 inches. It will take around two hours to charge the 13-inch MacBook Pro (2016), only slightly longer than using the original 61 W adapter.
Pro It's compatible with a wide range of devices
The NuPower can power up MacBooks, Chromebooks, as well as Lenovo, Dell, and even HP laptops, which usually are not compatible with third-party chargers. You can see the list of original chargers it can replace here.
Pro You can charge two devices at the same time
The NuPower has two ports: the USB-C port is meant for your laptop and the USB-A port is meant for other devices, like smartphones and tablets.
Pro It comes with a charging cable
A six-foot AC cord is included with the charger, which is very convenient because many producers make you buy the cable separately.
Pro It's convenient to carry around
This charger is very portable - it's so compact that it fits easily in the palm of your hand, and it weighs a little over 130 grams, roughly the weight of a deck of playing cards.
Cons
Con Not suitable for charging larger laptops
You will not be able to use NuPower as a replacement for a more powerful adapter. For example, if you use it on a 15-inch MacBook (2016) instead of the original 87 W charger, it will at best prevent the battery from draining, but not increase the charge.