BATTERY, NOMINAL VOLTAGE: 12 V, CAPACITY: 7AH, ADDITIONAL CHARACTERISTIC: ABSORBED ELECTROLYTE AGM TECHNOLOGY, SEALED, WITH VRLA SAFETY VALVE, FREE OF MAINTENANCE DURING THE WHOLE ITS USEFUL LIFE ESTIMATED IN 5 YEARS, C20 END OF VOLTAGE OF 1.75 VOLTAGE OF LIFE. CELL AT A TEMPERATURE OF 20 C, REFERENCE: POWERFIT S312 7S, APPLICATION USE: IN MINE CONTROL AND INSTRUMENTATION