The smart sun-powered charger & maintainer for all 12v batteries û Charger by day, monitor by night Ideal for all lead-acid & lithium batteries found in powersports equipment The smart charge controller automatically adjusts charge according to battery type and condition The controllerÆs fully automatic multi-step program brings the battery safely to full charge includes polycrystalline solar panel assembly with aluminum frame, suction for mounting, OptiMate Solar DUO controller, O-04 battery clips, O-01 battery lead, and carry bag Saves your ædeadÆ battery from as low as 4v IP54 weather rated. CHARGER SLR DUO 40W TRVL