PANASONIC NV-GS120K camcorder battery Description
This PANASONIC NV-GS120K camcorder battery has passed strict quality assurance procedures to achieve international standards such as CE, UL Listed, and/or ISO9001/9002 certification. All purchases in our battery & battery charger store 30 days money back guarantee. In addition, NV-GS120K Camcorder Batteries are warranted for a full year to ensure your complete satisfaction

How can you use your new NV-GS120K battery
Your new NV-GS120K battery must be completely charged and discharged before use. The long period of transition from factory to customers during which the idleness of battery may passivate its electrode material. So upon initial use the PANASONIC NV-GS120K battery may require three complete charge/discharge cycles in order to avoid passivation and activate the NV-GS120K batterys performance and maximize its capacity. Meanwhile, As there is the data transmission agreement port between NV-GS120K camcorder battery and laptop, it takes 2-3 charge and discharge cycles before the batterys actual capacity percentage is in sync with the percentage displayed by laptop. Cycling approach: Put the NV-GS120K battery into laptop and charge/discharge it until the laptop shutting down. Then charge the battery again. Charge time must exceed 12 hours. Repeat three times.

How to store battery when it is not in use for a long time? It should be fully charged or discharged?
Storing the batteries at full discharge for long period of time will have the NV-GS120K battery cells lose their activity, even have the control circuit protection self-closed which resulted in its inability to be re-used. Storing the NV-GS120K Camcorder Batteries at full charge will have battery safety jeopardized. The best way to store the batteries is to keep the batteries at cool and dry places at optimal temperature of about 20 degrees with only about 50% capacity remained. Off course, getting the battery out every month for use is the best way to keep the battery at excellent storage state and NV-GS120K battery power free from flowing away completely which could damage the battery.