This 40W/8A 4-port output wall charger from iClever detects the charging capacity of each device, and provides the fastest possible charge of up to 2.4 amps per port, charging any four USB-enabled devices simultaneously. Its compact design features a foldable plug. It contains multiple internal protection mechanisms to guarantee the safety of your device. iClever’s BoostCube averages 4.5 out of 5 stars on Amazon from nearly 1,000 people (read reviews). It’s typical list price has beed reduced 67% to just $19.99. See it on Amazon.