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• Never attempt to charge low voltage, ballooned/swollen, damaged or wet batteries.
• Never allow children under 14 years of age to charge batteries.
• Never charge a battery if any of the wire leads have been damaged or shorted.
• Never attempt to disassemble the battery, charger or power supply.
• Never drop batteries, chargers or power supplies.
• Always inspect the battery, charger and power supply before charging.
• Always ensure correct polarity before connecting batteries, chargers and power supplies.
• Always disconnect the battery after charging.
• Always terminate all processes if the battery, charger or power supply malfunctions.
IMPORTANT NOTE:
It’s safer and better for the longevity of the battery to store it only partially charged for any length of time. Storing the battery
approximately 50% charged is typically best, however, it will take some careful management of the charge time and the use of a volt meter to achieve this
voltage. If you have the equipment and skills to achieve the 50% charge level for storage it is recommended. If not, simply be sure to not store the battery
fully charged whenever possible.
In fact, as long as the battery will be stored at approximately room temperature and for no more than a few weeks before the next use, it may be best to
store the battery in the discharged state after the last flight (as long as the battery was not over-discharged on the last flight).