Lucent Technologies Round Cell Batteries
6 - 16 Installation Issue 3 December 1999
Initial Charging
Overview The initial charge compensates for the self-discharge that takes place in
the interval between cell manufacture and installation. The initial charge
voltage should be in the range of 2.5 and 2.55 volts per cell.
DANGER!
RISK OF EXPLOSION
• Battery gases are explosive. Do not allow sparks or open flame
near batteries.
• Do not smoke around batteries.
• Never charge batteries without vent funnel in place.
• Do not handle, move, or work around batteries during or for 48
hours after charging at a voltage greater than 2.20V/cell.
• Handle, move, or store charged cells only with vent funnel (NOT
orange shipping plug) in place.
• If the orange shipping plug must be reinstalled for transportation,
let the battery sit for an additional 24 hours at open circuit after the
48-hour float charge (less than 2.20 volts/cell) before removing the
vent funnel and replacing it with the orange shipping plug.
• Do not allow gas vents to become clogged or an explosion due to
internal pressure may result.
• Properly ventilate battery area.
• Do not place batteries in a sealed enclosure/room.
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