The QuadLink turns any brand 6V or 12V DC battery charger into a 4-station maintenance charger, automatically splitting and distributing all of the charger’s capabilities into 10-minute sequencing charge segments. Depending on the charger’s capability, QuadLink can distribute charges simultaneously to up to four AGM, gel-cell, VRLA inducing or deep cycle for marine, standard automobile and truck and even small motorcycle batteries. The QuadLink works with ANY 6V or 12V battery, regardless of size of CCA rating. read more...