... 7Ah to 200Ah Battery Detailed Description FM series Valve regulated lead-acid battery is widely used for telecom systems, banks, finance ... reliable seal structure,guarantees the battery leakproof fluit,no acid pollution.3.safe reliance,built-in domestic advance ... 5.use advanced processing technology(alloying technology,plaster of lead craft,electrolyte formula,epoxy seals ties craft),guarantees the ...