PANASONIC:
CGA-D54SE/1B , CGR-D08S , CGR-D120 , CGR-D16S , CGR-D220 , CGR-D54 , CGR-D54S ,
Do not short-circuit the panasonic battery.Accidental short-circuiting can occur when a metaillic object such as a coin,clip,or pen causes direct connection of the positive(+) and negative(-) terminals of the cgr-d54 battery.(These look like metal strips on the panasonic cgr-d54).This might happen,for example,wehn you carry a spare camcorder battery in your pocket or purse.Short-circuiting the terminals may damage the battery or the connecing object.
Keep the panasonic cgr-d54 battery contacts clean: Clean your battery's metal contacts every couple of months with a cloth moistened with rubbing alcohol. This keeps the transfer of power from your CGRD54 battery pack more efficient.
If a replacement cgr-d54 battery is being used for the first time or if the panasonic cgr-d54 battery has not been used for a prolonged period.it may be necessary to connect the panasonic cgr-d54 battery charger and then disconnect and reconnect it to start the charging.