The Atec 9003A is an automotive 1 amp battery charger maintainter. For use on 6 and 12 V batteries. Slide switch for 6 volt or 12 volt batteryMicro-processor controlled utilizing LED operating indicatorsReverse polarity and short circuit protectionBattery clamps as well as optional fused battery connectorsSafe for all battery types including AGM and GEL Cell BatteriesIMPORTEDSpecifications:Limited warranty: 1 YEARUL/CSA Continuous Rating: 1 AmpVoltage: 6V/12VUL Cranking Assist Rating: N/AClamp rating: 50AProduct type: AUTOMATIC