If the battery is completely discharged (below 2 volts), this charger may not be able to detect or charge it. Error Code ER1/ER2: Double-check your connections (Red to +, Black to -).

To extend the lifespan of your Everstart 6811A smart charger, follow these maintenance and storage tips:

: Plug the charger into a standard 120V AC outlet. The LCD screen should illuminate to show the current battery voltage. Mode Selection