Sealey 400HF Compact Auto Smart 4amp Battery Charger 6v or 12v

About this tool

The Sealey 400HF is a compact 4-amp smart battery charger designed for automotive workshops, mobile mechanics and vehicle maintenance professionals. This intelligent charger automatically maintains batteries at optimal charge levels during storage or seasonal periods, ensuring vehicles are always ready for use. Built with dual voltage capability, the charger works with both 6V and 12V battery systems, handling battery capacities from 0.8Ah to 120Ah. The unit features a clear digital display that shows real-time charging percentage and output current, allowing users to monitor progress at a glance. Its heavy-duty case with simple controls makes operation straightforward even in busy workshop environments. The 400HF charges multiple battery types including conventional lead acid, EFB, AGM/GEL (stop/start), and Lithium batteries, making it suitable for modern and traditional vehicle fleets. With IP65 protection rating, the unit resists dust and water ingress, providing reliable performance in demanding conditions. Inbuilt reverse polarity protection prevents accidental damage from incorrect connection. Supplied complete with SAE quick connectors on 1m leads and battery terminal eyelets for flexible installation options. The total cable length including clamps or eyelets extends to 1.4m, providing adequate reach for most workshop applications. This smart charger/maintainer is ideal for garages maintaining multiple vehicles, recovery operators, and professional mechanics requiring

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.