Total 8A output and each port could be 2.4A Max for charging 4 tablets at the same time with full speed
All 4 USB ports are equipped with iSmart technology which automatically detects and delivers the optimal charging current for any connected devices--ensuring the fastest,most efficient charge. For example,the max input current for iPhone is 1A, this charger will adjust the output current 1A to iPhone
Anti-slippery base keeps it stable and prevents the charger from moving on your desk
Multiple safety system: Over-charging, over-heating and short circuit protection; CE, FCC, RoHS Certified; Updated version equips with 3A Fuse 1.5M UK Plug
Package contents: RAVPower 4-Port Wall Charger, detachable UK power cord,user manual,18 Months Free Replacement