VRLA AGM Deep Cycle battery 6v series 24 v series Mirco SeriesMCA Sealed Lead Acid Battery (SLA battery) is an advanced and economic rechargeable battery. It has several properties differ form other types of batteries:Maintenance free - As it s value-regulated, sealed and glass-mat is utilized, acid is trapped inside. So, refilling is not needed and is leak proof.High Power-To-Weight Ratio - MCA ...