A Battery Built To Last Rolls Battery Engineering’s FC-420 flooded calcium stationary battery’s antimony isn’t used in the grid structure, so it can sustain prolonged periods in float applications with nominal maintenance. It uses calcium in its grids to lower internal resistance and off-gassing during charge and reduce self-discharge rates. Its positive plate is thicker and than other models (>4mm vs. 2.5mm) and wrapped in glass matting and a polyethelene envelope to extend life.
Rolls Battery
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