Spiral Wound AGM (Absorbed Glass Mat) VRLA
For excessive vibration applications, in off-road operation, or extreme conditions, it is best to use a spiral wound AGM VRLA (Valve Regulated Lead-Acid) car or deep cycle battery because there is no shedding of active plate material since the plates are immobilized. In addition, they also use GRT (Gas Recombinant Technology) and have all of the characteristics of the AGM (Ca/Ca) VRLA batteries...
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