18650 Single 1X Cell Charging Discharging Control Battery Holder Case for Li-ion 3.6V 3.7V Slot

• No need special welding machine, installed and work;
• Simple configuration, perfectly apply to 1S4P 18650 battery pack;
• Intelligent control: Protect the batteries from over-charge, over-discharge and external short circuit
• Can be slots for recharging the batterie
• Connected to different plug, applicable for different devices.

What’s in the box