Mighty Max Battery 12V 4AMP Charger MAINTAINER for 12V 12AH F2 Smart-UPS 1000 Battery Brand Product MIGHTY MAX 12 VOLTS 4 AMP CHARGER AND MAINTAINER WITH ALLIGATOR CLIPS CONSTRUCTED WITH HIGH QUALITY MATERIALS TO ENSURE A COMPACTED, LIGHT AND POWERFUL CHARGING FOR YOUR SLA BATTERY PROVIDES TEMPERATURE PROTECTION AND SHORT CIRCUIT PROTECTION THREE STAGE CHARGING METHOD THAT ENSURES A FULL CHARGE, ALSO AVOIDING OVER-CHARGING DUAL COLOR LED INDICATION SHOWING OPERATION OF THE CHARGING PROGRESS