... .998%. Brand NameSAIPModel NumberSP12-55TypeLead-acidNominal Voltage12VSize229*138*210mmNominal Capacity55AhUsageSolar system UPS Battery 12V 55Ah, 1.Maintenance free 2.Long life-cycle ... purity lead 99.998%. lithium battery, battery, sealed lead acid batteries, ups battery, rechargeable batteries, solar battary, solar energy battery, solar charger, solar cell lithium ...