and operate normally.

17.3Completing an interrupted charge: If the charging process has been interrupted and restarted after the charger displays a battery % of 85 or more, the charger could go straight to Maintain Mode. However, if the original charge was started using the MEDIUM TO LARGE BATTERY rate, the charge can often be completed using the SMALL BATTERY setting.

18.MAINTENANCE INSTRUCTIONS

The charger is designed and built with high quality materials requiring only a minimum amount of care.

18.1After use, use a dry cloth to wipe all battery corrosion and other dirt or oil from terminals, cords, and the charger case.

18.2Cords should be coiled when the charger is not being used to prevent damage.

18.3Other servicing should be performed by qualified service personnel.

18.4The charger will draw a small amount of current from the battery(ies), a few milliamps, when not charging or maintaining. If the battery(ies) are going to be stored for an extended period of time (several months) without being charged, it is best to disconnect the charger battery clamps to keep the charger from discharging the battery(ies) over time.

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Schumacher SC-8020A owner manual Maintenance Instructions