Rapidly charges and optimizes the performance of 12 V batteries Multi-step charge, optimize and maintenance program ideal for all 12 V sealed-starter and deep cycle AGM, EFB and lead-acid batteries Safe low-volt pulsing recovery for accidentally discharged flat batteries Advanced maintenance program keeps batteries 100% read while supporting ôalways onö circuitry Includes premium weatherproof permanent battery lead and handlebar hanging hook. DRAG POWERCHARGER 4A