JVC GR-D240EX camcorder battery Description
This JVC GR-D240EX 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, GR-D240EX Camcorder Batteries are warranted for a full year to ensure your complete satisfaction

How can you use your new GR-D240EX battery
Your new GR-D240EX 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 JVC GR-D240EX battery may require three complete charge/discharge cycles in order to avoid passivation and activate the GR-D240EX batterys performance and maximize its capacity. Meanwhile, As there is the data transmission agreement port between GR-D240EX 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 GR-D240EX 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 GR-D240EX battery cells lose their activity, even have the control circuit protection self-closed which resulted in its inability to be re-used. Storing the GR-D240EX 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 GR-D240EX battery power free from flowing away completely which could damage the battery.