1. Wide voltage design for global use 100V-240V, adapt to 110V in Europe and America 2. Intelligent protection, stable and reliable, maximize the life of the camera battery 3. The fast charging with automatic constant current control can prevent the battery from overcharging, short circuit and electronic shock. 4. Automatic power-off function, when the battery is saturated, the green light will no longer charge *The charging time varies depending on the battery capacity. The CHARGE indicator of the charger turns red to green to indicate that the normal charging is completed. This charger can micro-charge the battery for 1 hour after the end of normal charging, so that the battery reaches a fully charged state. Full charging allows you to use the battery for a longer time than under normal charging conditions. 5. Made of high-quality batteries with safety valve technology, built-in multiple protection circuits, excellent quality 6. Strong compatibility. After 8 hours of aging test, it is safe and reliable and can be used with confidence 7. Replaceable deck design: the same voltage can be changed to different decks for different types of batteries.