Polaroid PDC 3000 - Manual (Page 31)

Setting up 31
Charge the new batteries completely by leaving the charger
connected to the camera for about 12 hours. (After this initial
charging, the batteries will recharge completely in about 6
hours.)
WARNING: USE ONLY THE POWER ADAPTER/
TRICKLE CHARGER PROVIDED FOR CHARGING THE
BATTERIES WHILE THEY ARE IN THE CAMERA.
OTHER ADAPTERS AND CHARGERS SIMILAR IN
APPEARANCE ARE AVAILABLE, BUT THEY CAN
OVERHEAT THE BATTERIES AND CAUSE INJURY OR
CAMERA DAMAGE.
BE SURE TO REMOVE THE BATTERIES FROM THE
CAMERA WHEN USING THE OPTIONAL 3-AMP
POWER SUPPLY INSTEAD OF THE POWER ADAPTER/
TRICKLE CHARGER DESCRIBED ABOVE.
You can also charge the batteries outside the camera with
optional 110-volt 5-hour battery charger (see Optional
accessories on page 21) or another charger compatible with
your local AC voltage and designed for NiCad “AA”
batteries. Carefully follow the instructions provided with the
charger you are using.