The 120 volt BusPro-660 model multi-station 5 amp smart chargers are specifically optimized for use with AGM (Absorbent Glass Mat) Batteries. These completely automatic charging stations are ideal for fleets, shops, and parts stores due to the advanced new circuitry designs and controls specifically designed for the proper and safe charging and maintenance of AGM batteries which makes overcharge impossible. This product ships in approximately 1 days