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Note :
1) The BT-49Q rechargeable battery can be charged while using the laser.
2) The BT-49Q rechargeable battery can be charged when removed from the instrument.
3) When the BT-49Q rechargeable battery cells are removed from the DB-57C battery holder, the
instrument can be used with alkaline batteries installed in the battery pack.
Note :
1) Recharging should take place in a room with an ambient temperature range of 0°C to 40°C (32°F
to 104°F).
2) The battery source will discharge when stored and should be checked before using with instrument.
3) Be sure to charge stored battery source every 3 or 4 months and store in a place at 30° (86°F) or
below. If you allow the battery to become completely discharged, it will have an effect on future
charging.
BT-49Q
DB-57C
Note : This battery does not contain mercury.
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