Insert AC plug into a standard 120V outlet (USA/Canada). The green "Power On" light should illuminate.
Selecting the wrong mode will not properly charge your battery. The 2021 manual provides this specific guide: everstart 6811a smart charger manual 2021
Yes, the EverStart 6811A is explicitly designed to work with all types of 6V and 12V lead-acid batteries, including Gel and AGM (Absorbent Glass Mat) batteries. Its smart multi-stage charging algorithm is compatible with these battery chemistries and will not overcharge or damage them if used as directed. Insert AC plug into a standard 120V outlet (USA/Canada)