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Vented / Flooded Lead Acid Batteries-
Normal life 8-10 years
Nominal cell voltage is 2V/cell.
first charge at 2.6 to 2.7 V/cell.
Away from delicate electronic
It needs separate room/racks
with acid proof tiles for
regular maintenance to check
specific gravity, to add water
initial charging take about 55
to 90 hours.
normal life 15-20
VRLA/SMF type Lead acid
Being sealed, these batteries do not emit
Normal life 3-5 years
Nominal cell voltage is 12V/cell.
Float voltage 13.8 Volts
SMF batteries should not be left in totally
discharged state more than 72 hrs.
Nickel Cadmium Batteries (Ni-
Normal service life is 20-25 years.
Nominal cell voltage is 1.2 V/cell
Initial cost may be approximately three times
Used in hazardous environment such as
chemical, fertilizer, cement industry.
Batteries occasionally demand boost
charging, 1.4 V/cell
APPLICATION OF BATTERY
Battery charger in switchgear
ACT FAST AND INITIATE
तेजी से सोचो व
सबसे पहले सोचो
िवचारो पर िकसी का
एकािधकार नही होता.
---- धीरभाई अमबानी