Can the Cotek CX2440 Battery Charger plug into a 120V wall outlet? Posted by Dillon Hayes, Cotek on Jul 9th 2020 Yes, the Cotek CX2440 Battery Charger can be plugged into a 120V wall outlet. They are universal ac input, so they can accept anywhere from 90-264 VAC. AGM battery Gel battery Li-ion battery seal lead acid battery SLA battery