1、[Slotted Design] High standard slot design, can charge more than one battery, tighten the card position to avoid poor contact, more effective and convenient.2、[Safety Protection] The charger uses an intelligent chip to automatically control the voltage to prevent the battery from overcharging and to better extend the battery life.3、[USB Power Supply] USB charging design, can be used with a laptop, cell phone charging head, rechargeable battery, car charging, easy to use.4、[Easy to Operate] You can install the battery in the battery compartment, connect the power supply to start charging. Power level display, easy to check the charging status.5、[Premium Material] The use of high quality ABS, high temperature resistance, strong heat dissipation, to solve the problem of charging hot, more secure.