Lucent Technologies Round Cell Batteries
6 - 20 Installation Issue 3 December 1999
Initial Charging, continued
Before Stopping
the Initial Charge
Before stopping the initial charge, record the following:
• Total hours of charge
• Temperature of the temperature reference cell in each tier of each
battery string
• Presence or absence of lead-sulfate crystals for each cell.
After End of Initial
Charge
At the end of initial charge, place the battery on continuous
uninterrupted recommended float voltage at 2.17-2.20V/cell. Do not
leave the battery on open circuit for more than 72 hours. A battery that
is left on open circuit for more than 72 hours after initial charge and/or
develops lead-sulfate crystals must be boost charged at 2.5 volts per cell
for at least 8 hours or until crystal free before being returned to
continuous float.
DANGER
RISK OF EXPLOSION
• Round Cells that have received the initial charge in other
than the actual installation and will be moved to the
installation site must be left at float charge less than 2.20
volts/cell for at least 48 hours before handling.
• Vent funnel must be left in place.
• If the battery must be shipped/transported to another location
and the orange shipping plug needs to be installed, then the
Round Cell must be left on open circuit an additional 24
hours after the 48-hour float charge of less than 2.20 volts/
cell before removing the vent funnel and inserting the orange
shipping plug.
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