Why use an AGM battery?
An AGM (Absorbed Glass Mat) battery is a sealed, non-spillable maintenance free, valve regulated battery. An AGM battery utilizes a fine fiber glass material seperator between the lead plates within the battery. AGM batteries, also called starved electrolyte, operate with no maintenance, can be installed in most any configuration (except inverted) without spill and provide outstanding power per dollar invested. AGM batteries are commonly interchanged with traditional flooded lead acid batteries as the charge/discharge profile of these batteries are similar. AGM batteries have low internal resistance and a very low self-discharge rate (from 1% to 3% per month). So they can sit in storage for much longer periods without charging. The AGM design is also highly resistant to vibration deterioration.