100% brand new and high quality Material: Electrical Components Color: See Pictures Super capacitor, ultra capacitor, 5.5V4.0F H style Long life cycles: 1200000 times of charge and discharge Low speed charge is only for a few seconds Large discharge current Green without pollution Wider practicability for car start, solar, wind and other culture Safe and easy to use Don't need to maintain the 1200000 cycles Diameter:1.9cm/0.75" No Retail Package Quantity:2 Pcs Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!