The REDARC BCDC1240D is a 12V, 40A In-vehicle DC to DC Battery Charger designed to keep your auxiliary battery charged when driving or with portable solar panels when parked. Suitable for engine bay installation. It uses multi-stage DC-DC charging, a system that allows optimum charging levels for your auxiliary battery. It is solar ready and suitable for many battery types including lithium, AGM, GEL, standard lead acid and calcium No returns
