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PULSE REPAIR - This 12v battery charger has the pulse repair function to regularly maintain brand-new batteries and reactivate aged, sulfated, deeply discharged batteries.
AUTO-STOP UPON FULL CHARGING - SUHU trickle charger for car battery 12v automatically sets to trickle charging when displaying 'FUL' and automatically shuts down after 2 hours of trickle charging.
REAL-TIME LCD - The liquid crystal display of this battery maintainer 12 volt, bright enough for night time, provides real time readouts of voltage and current input enabling users to conveniently monitor the charging process and understand the charging status.
SERVE AS A VOLTMETER REPLACEMENT - This portable car battery charger can detect battery voltage by connecting to the positive and negative terminals without plugging in, to determine if the battery needs charging.
APPLIED TO BATTERY DISCHARGE TEST - Connect this 12 volt battery charger to measure voltage, wait for a few hours, and check if the voltage drops. A decrease may indicate a battery self-discharge issue.
WIDE APPLICATION - SUHU battery charger automotive is designed for 12-volt sealed lead-acid automotive, marine, RV, powersport and deep-cycle batteries, including flooded, gel, AGM, SLA, VRLA and maintenance-free batteries.