Color: Black - High temperature resistant cover and Copper pins - Size: Hole DIameter: 5.5mm, Pin Diameter: 2.1mm - Female DIP type - Suitable for 2.1mm Jack 3 Pin Contact
Outdoor Reention dorado battery, high cycle and high quality. LED display light +DC charging port ++5V 1A USB+ key lock.(Lithium battery + BMS + charger)