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Technical Info

Do’s & Don’ts for Sealed Maintenance Free Batteries


  • Always store the battery in cool and covered areas.

  • Read the installation manual before starting Installation of the batteries.

  • Keep the battery away from sparks, heat source or fire.

  • Charge the battery once in 3 months, in case of the battery kept unused or ideal.

  • If you found any battery is damage before installation, stop the installation and inform mfg.

  • If you found any dust is accumulates on the battery, clean the batteries with dry cloth.

  • Use proper sized cables along with proper plugs and crimping during installation

  • Set the charging parameters as per maintenance manual.

  • Charge the batteries immediately after discharge as per specification.

  • All terminal bolts have to be tightened with spring washers and apply torque. All bolts tightness to be checked once in every 6 months.

  • Record the currents & voltages once in a month in the prescribed format or register.

  • Maintain the same AH & brand  for a bank

  • Provide proper isolation between battery and battery rack.


  • Do not keep the battery in direct sunlight, dust or moist place.

  • Do not add any acid or DM water in case of SMF battery.

  • Do not tamper the vent plugs

  • Do not over tight/under tight the terminal bolts which may be cause of terminal breakage or fire due to loose contact.

  • Do not allow any metal object rest on the battery which may cause for short circuit.

  • Don’t mix with different capacities, different make, different types (VRLA, Flooded/ Tubular batteries)s and different manufactures batteries in the circuit.

  • No cell tapping will be allowed during the service life.

  • Don’t use underrating cables for connecting the battery.

  • Never install any type of battery in a completely sealed container. Sufficient ventilation to be provided for air circulation.

  • Don’t allow discharged battery, for more than 12 hours in idle condition.

  • Do not deep discharge the battery below specified limits.