Sealed lead acid battery 2v400AH: 1)with 2V Voltage, 400Ah Capacity, 2)Self-discharge 3)Maintenance free battery. Sealed lead acid battery 2v400AH:The sealed lead acid battery is widely applied for new energy, telecommunication, banking, medical industry, fire fighting, public safety etc.Characteristics of lead acid battery:1. Excellent safety performance: No electrolyte leakage, battery swelling ...