EPD/HB/40521/000
ISSUE 5
EPD TECHNICAL HANDBOOK Page 80
going to be left non-operational for any length of time to avoid the possibility that
leakage may occur and damage the EPD.
6.2.3 Lithium Thionyl Chloride Battery Warning
Lithium Thionyl Chloride (LTC) (Sulphurous Oxychloride, SOCl
2
) batteries are
potentially dangerous and can be harmful. The following warnings are to be
observed when inserting/replacing the EPD battery.
WARNING
Lithium Thionyl Chloride Batteries
1. Lithium Thionyl Chloride battery contents are potentially toxic, flammable and
explosive.
2. Lithium Thionyl Chloride batteries should not be:
♦ short circuited or charged under any circumstances.
♦ used in excess of +70°C and never exposed to temperatures in excess of
+100°C.
♦ opened, punctured, crushed or tampered with.
3. Batteries in storage should be kept in an isolated, dry, well ventilated cool
environment and kept out of direct sunlight. Storage temperatures should be
below +30°C.
4. Batteries are susceptible to fire and abuse. Some manufacturers provide
batteries with a safety vent, which allows a controlled release of electrolyte if
these conditions prevail. If the EPD has been damaged in a manner that could
affect the battery, care must be exercised during battery replacement. The
battery may have vented into the EPD case and caused the EPD to become
pressurized.
5. Electrolyte leakage can normally be detected by the smell of sulphur dioxide
and/or the presence of electrolyte solutes. If a leakage is suspected:
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