Charging The Lithium Battery - Sentry ST313A Instruction Manual

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5-4. Charging the Lithium Battery

The detector will automatically turn off if the battery
capacity is too low, charging it when the LOW-BATT LED
is lit.
It is highly recommended not to use the detector during
charging, the battery may be heated and dangerous.
The CHARGING LED be lit red color during charging, it
will turn to green when charging is completed.
Note: Always charge within the charging environment
specifications of 32°F~113°F (0°C~45°C), less than 80%
RH.
The lithium battery is charged with AC power via AC
adapter and USB cable:
(AC adapter/charger is not include)
1. Use the AC adapter and plug mini B male into the
mini B receptacle of the unit (Fig. 1).
2. Plug the AC adapter to the wall jack (Fig. 2).
3. Use the USB cable plug mini B receptacle of the unit
and plug A male into PC or Notebook USB port (Fig. 3).
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