Sony HDR-CX300 - High Definition Flash Memory Handycam Camcorder Handbook page 13

You can charge the "InfoLITHIUM" battery pack (V series) after attaching it to your
camcorder.
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Notes
You cannot attach any "InfoLITHIUM" battery pack other than the V series to your camcorder.
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1
Turn off your camcorder by closing the LCD screen.
2
Attach the battery pack by aligning the battery terminals () and
pushing the battery pack in the direction of the arrow () until it clicks.
3
Connect the AC Adaptor and the power cord (mains lead) to your
camcorder and the wall outlet (wall socket).
Align the  mark on the DC plug with that on the DC IN jack.
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The /CHG (flash/charge) lamp lights up and charging starts. The /CHG (flash/charge)
lamp turns off when the battery pack is fully charged.
4
When the battery is charged, disconnect the AC Adaptor from the DC IN
jack of your camcorder.
Tips
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See page 96 on recording and playing time.
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When your camcorder is on, you can check the approximate amount of remaining battery power with the
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remaining battery indicator at the upper left on the LCD screen.
Charging time
Approximate time (min.) required when you fully charge a fully discharged battery pack.
Battery pack
NP-FV50(supplied)
NP-FV70
NP-FV100
Times measured with the camcorder at 25
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10 C to 30 C (50 °F to 86 °F) is recommended.
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Charging time
155
195
390
C (77 °F).
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US
13