Sony DCR-TRV50 - Manual (Page 224)

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How to store the battery pack
•If the battery pack is not used for a long time, do the following procedure once per
year to maintain proper function.
1. Fully charge the battery.
2. Discharge on your electronic equipment.
3. Remove the battery from the equipment and store it in a dry, cool place.
•To use the battery pack up on your camcorder, leave your camcorder in the recording
standby until the power goes off without a cassette inserted.
Battery life
•The battery life is limited. Battery capacity drops little by little as you use it more and
more, and as time passes. When the available battery time is shortened considerably, a
probable cause is that the battery pack has reached the end of its life. Buy a new
battery pack.
•The battery life varies according to how it is stored and operating conditions and
environment for each battery pack.
About the “InfoLITHIUM” battery pack