KickAss Flexicharge 4A Smart 12V/6V Battery Charger is a reliable tool for maintaining and optimising battery performance. Featuring Smart Maintenance Charging, it delivers a steady 4A charge for long-term storage or infrequent use. With built-in diagnostics for battery health, starting power, and alternator performance, it prevents breakdowns and ensures your engine will always start reliably, making it ideal for all your vehicle maintenance needs.​