General description Sealey Premier Fully Automatic Battery Maintainer/Charger 12A is a fully automatic 7-stage battery charger designed for trickle charging and maintaining a variety of battery types including EFB (stop/start), AGM, GEL, lead acid, and calcium batteries. It features auto chemistry selection and is capable of zero volt battery charging, allowing for the recovery and charging of completely discharged batteries, provided any load is removed. The charger also includes an old battery sulfation repair function and offers protection against reverse polarity, short circuits, over temperature, and overcharging. Technical specifications Model No.: SPBC12 Nett Weight: 1.3 kg Charging Modes: Fully automatic 7-stage Battery Types: EFB, AGM (stop/start), GEL, lead acid, calcium, and lithium (manual selection required for lithium, 12V only) Voltage Selection: Automatically selects and charges 6V, 12V, or 24V batteries Power Supply Mode: 13.5V DC for battery support during prolonged