there’s a good chance these chargers may not be able to keep these laptops topped up while under load. However, the one thing that sticks out is the performance of Apple’s 20-watt brick ...

If you don’t have 30-watt chargers available, you can achieve very similar results using a 20-watt charger. A 20-watt charger will charge the iPhone almost as fast as a 30-watt one, clocking in ...

which can’t even support the iPhone’s full 20-watt charging speeds. Anyone still using one of those really ought to upgrade to a fast wall charger. If all you want is a power brick to keep small ...