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CAUTION! Do not charge batteries at a temperature lower than 0°C, which will
increase the internal resistance to cause heat and make the batteries
unstable and unsafe. Please use a battery temperature detecting
device for a charger to ensure a safe charging temperature range.
Storage and safety notice
Although charged Lithium-Ion batteries may be left unused for several months, their
capacity may be depleted due to build up of internal resistance. If this happens they
will require recharging prior to use. Lithium-Ion batteries may be stored at tempera-
tures between (-4° - 140°) -20°C to 60°C, however they may deplete more rapidly at
the higher temperature ranges. It is recommended to store batteries within normal
room temperature ranges.
Warranty
The following items covered under Unitech Limited Warranty are free from defects
during normal use:
• PA600 – 1-year limited warranty.
• Lithium-Ion battery – 6-month limited warranty.
The warranty becomes void if the equipment is modified, improperly installed or used,
damaged by accident or neglect, or if any parts are improperly installed or replaced by
the user. Use only the AC Adapter supplied. Using the wrong AC Adapter may dam-
age the unit and will void the warranty.