VRLA AGM

SMF 12v 42Ah

A Valve Regulated Lead Acid (VRLA) battery is simply a lead acid battery in which the electrolyte has been immobilised in order to recombine hydrogen and oxygen. It has a sealed construction with pressure release valves

SMF 12v 33AH

The term sealed maintenance free or SMF means that water additions are not required over a VRLA battery’s guaranteed lifetime. Most VRLA batteries will still need some maintenance such as cell balancing, connection tightening

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