BESTON F770 Battery for Sony

BESTON batteries have protection against overload, over discharge and short circuits. To preserve the battery, use it according to the following guidelines:
The battery must be fully charged when used for the first time.
After 2 or 3 full charge and discharge cycles, the battery will work in the best way.
Keep the battery in clean and dry conditions.
Remove the battery from the charger when not in use.
It is recommended to use the BESTON charger to prolong battery life