Battery Tender 022-0209-DL-WH 12-Volt/6-Volt Switchable 4-Amp Battery Charger

AGM/standard or gel/lithium iron switchable; ISM(TM) (Infinite Sequential Monitoring) of the fully automatic 4-step charge process (qualification, bulk charge, absorption, float); Microprocessor controlled; Sparkproof even when output leads touch; Reverse polarity protection--no charge or battery damage; State-of-charge LED indicator; Includes rings & clips;