The Sealey BSCU40A is a professional 12V 40A battery support unit and smart charger designed for efficient charging and maintenance of a wide range of battery types. This intelligent charger delivers reliable power supply and conditioning for workshops, garages, and mobile service vehicles requiring dependable battery management. Engineered to safely charge and maintain VRLA, Gel, AGM/EFB, leisure and lithium batteries, this versatile unit suits professional automotive technicians, mobile mechanics, and commercial vehicle operators. The integrated temperature sensor ensures accurate charging performance even in cold conditions, whilst comprehensive protection against over-charge, over-heat, short circuit and reverse polarity safeguards both battery and charger. The compact design features mounting holes for permanent installation, making it ideal for workshop benches or vehicle fitment where continuous battery support is required. Once batteries reach full charge, the unit automatically switches to conditioning mode, maintaining optimal charge levels without risk of damage. Three selectable float mode voltages (13.2V, 13.5V and 13.8V) allow precise matching to manufacturer specifications across different battery types. The battery support mode enables the charger to function as a DC power supply whilst vehicles undergo diagnostics or electrical system work. Features and Benefits: • 40A output suitable for batteries from 80-500Ah capacity • Zero volt charging capability recovers deeply discharged batteries • Temperature-compensated charging for consistent performance • Battery support mode provides stable DC supply during vehicle servicing • 1.1m cable and clamp length with 1.65m power supply cable • Backed by 2 year guarantee for professional peace of mind Specifications: Brand: Sealey Cable & Clamp Length: 1.1m Nett Weight: 2kg Output: 12V Zero Volt Charging: Yes Battery Support/DC Supply Mode: Yes Supply (Current): 4.3A Supply (Current): 230V Plug Type: 3-Pin Power Supply Cable Length: 1.65m Cable and Clamp Length: 1.10m Charger Type:Traditional (T) or Intelligent (HF): HF Battery Range: 80-500Ah Max Size Battery (AH) Full charge in 12hrs from Discharged: 480Ah Output Charge Peak: 40A Output Start Peak: N/A Weight: 2kg VRLA (Lead Acid): Yes GEL: Yes AGM/EFB: Yes Lithium: Yes Leisure (Deep Discharged): Yes