Lucent Technologies Round Cell Batteries
Issue 3 December 1999 Safety 4 - 9
Warning
Signs
To direct attention to the possible sources of danger, post one or more
warning signs, lettered in large characters, in a conspicuous location
near the batteries.
The warning signs are not meant to be a replacement for proper job
procedures and training. All information noted in this section is
important and must be understood by anyone working around or
handling batteries. A warning sign should serve as a strong reminder.
The following example lists the type of information that should be
given:
Separate warning signs that alert personnel to electrical hazards and the
hazards of electrolyte should also be considered.
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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