Sony DCR-TRV720 Operating Instructions Manual page 126

Changing the lithium battery in your camcorder
Changing the lithium battery
(1) Open the LCD panel and open the lid of the lithium battery compartment.
(2) Push the lithium battery in the direction of the arrow and pull it out from the
(3) Install a Sony CR2025 or Duracell DL-2025 lithium battery with the positive (+)
(4) Close the lid.
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holder.
side facing out.
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