★ [Short-circuit protection] - Lithium battery charger is protected by smart chip, and the externally carefully designed slot design makes charging more secure. Reverse connection protection, the battery does not work when placed in reverse, normal charging can be restarted normally.
★ [Independent Charging Slot] - The charging card slot is independently controlled and does not affect each other. It can be used to charge for 1-3 AA/AAA batteries at the same time. With USB plug, it can be connected with PC, laptop, power bank, etc for charging.
★ [Over-Temperature Protection] - When the temperature exceeds the standard temperature, the charger will automatically enter the protection state to ensure safe use. When the battery is reversed, the corresponding battery box will flash, which can prompt you to install the battery correctly.
★ [Overcharge protection] - Use smart chip to automatically control the voltage, prevent the battery from overcharging, better extend the battery life, automatically control the output current during charging, and make the battery charge more stable.
★ [LCD Indicator] - Three individual LED indicators to display the charging state of each battery charger. You can directly and clearly observe the charging process of the battery.