PowerSafe CA-M batteries with antimony alloy plates deliver maximized performance in cycling applications, allowing the battery to tolerate high temperatures. Extra thick positive grids make the CA-M battery one of most rugged in the market. PowerSafe CC-M batteries with calcium alloy plates offer maximized performance in long discharge applications and reduced watering requirements. Both CA-M and CC-M batteries are supplied with 100% “out of the box” initial capacity.