... It has several properties differ form other types of batteries:Maintenance free - As it s value-regulated, ... .High Power-To-Weight Ratio - MCA SLA batteries can provide much power in comparison to its ... weight. For example, 6V and 12V MICRO series battery capacity range form 0.8AH to ... 5 kg.No Memory Effect - Some batteries, say nickel-cadmium batteries, will become conditioned to provide less power ...