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$150 is a little overpriced when you consider it only maxes out at 45w charging. Anker has one that maxes out to 87w for $129.99.

And the Anker one has more ports.

Do you know the exact model of the one you’re referring to? Can’t find it.
 
The US will switch to Joules for this kind of thing shortly after we get everyone switched over to grams and meters. So... don't hold your breath.
Well, the US has been kind of using he SI system for a long time. The Metric Act (year 1866) was an important kilometerstone, and the customary units have been defined through the metric system since the 19th century. The practical conversion to SI units has been slightly slow, though.

On the other hand, I sort of like all these fascinating furlongs and fortnights. In the SI system, speed is expressed in m/s, which is not very creative. Think of furlongs per fortnight:

1 furlong/fortnight =
330 feet/sennight =
1 27/28 feet/hour =
55 / 336 toes/min

The possibilities are endless!

There are, however, some unfortunate inconsistencies in the US customary system. For example, time is measured in seconds (SI unit). That might be forgiven for historical reasons and the use of 24/60/60 divisors. A more severe problem is in the use of Amperes, Volts, and Watts, as they are based on the SI units instead of US customary units.

Maybe they could be replaced by something more fitting?
 
If you plug that in a Tesla you can go 4 feet!
Interestingly, the distance would be much longer. My 4wd SUV EV consumes around 140 Wh/km in urban driving during the warm season. So, the 74 Wh (20 Ah) power bank would be enough for half a kilometer (1700 ft).

On the other hand, the car itself is a 20,000,000 mAh power bank. It is quite amazing how much energy modern batteries store.
 
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Well, the US has been kind of using he SI system for a long time. The Metric Act (year 1866) was an important kilometerstone, and the customary units have been defined through the metric system since the 19th century. The practical conversion to SI units has been slightly slow, though.



There are, however, some unfortunate inconsistencies in the US customary system. For example, time is measured in seconds (SI unit). …
Uh, congratulations on trying to make everything even harder, I guess?
 
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