For 6V and 12V Batteries 2A Slow Charge 6/4A Fast Charge Multi-stage Advanced Control Technology charging system with float-mode monitoring Faster-compared to a conventional charger Safer-intelligent circuitry prevents damage due to reverse hookup and overcharging Smarter-built-in microprocessor senses battery/charging status, adjusts charging rates & diagnoses problems Versatile-charges conventional and AGM batteries