1:VRLA sealed lead Acid Battery2:Maintence free , fully sealed3:low self-discharge rate, low resistence4:CE, UL, ROHS, ISO9001-20086v 4ah sealed lead Acid Battery description:Model : 6v 4ahDemension: 70(L)*47(W)*101(H)*106(TH)mmWeight :0.7kg, Normal voltage :6vRated Capacity : 4ahPackage :...