storage battery .Voltage:12v .Capacity 5ah--200ah .Good quality with promt delivery ... : FM series Valve controlled free maintenance lead-acid battery 12v/5ah--200ah. MODELVoltageNominal capacity Size(mm) Weight (V ... for discharge-deep times. It's better used in Solar systems and so on. 2. Sealed Maintenance Free ... * Lighting System,Emergency Lighting,Sportlight,Campling Lantern 12v solar storage battery