The adapters Connector: inside positive (+) . outside negative (-) With IC Chip: Short circuit protection, Overload protection , Over voltage protection.
Perfect replacement for 1A /1.5A/ 2A / as amperage isnt forced. (If your previous Adaptor was less than 2A then this will be a perfect replacement as amperage is NOT Forced).
Package included: 1 PCx 18V 2A Power Adapter ( NO AC CABLE )
Suitable for tesla soldering practice kits from ISolderStore.