... on UPS,INVERTER/CHARGER HB series maintenance-free lead acid storage battery is widely used for telecom systems, banks, finance, securities, ... , and sun-energy system storage resources. Product performance: 1, Lead and autunite alloy grid, ointment formed pole board, large content ... antirust 7, Analyzed pure electrolyte with little local action dry type deep cycle battery 12V/40AHT(copper terminal)