brand new and high quality Features: Made of food grade material, strong, durable and good conductivity, good performance and long service life. High current discharge capacity, high energy conversion efficiency, low process loss. Simple charging and discharging circuit, no need rechargeable battery charging circuit, and the safety factor is high, and free maintenance. Good ultra-low temperature characteristics, the ambient temperature range is as wide as -40 - 85 . Specification: Material: Fiber Glass Board, Electronic Component Size: app.9.3 x 3.8cm/3.66 x 1.5in Color: Black Quantity: 1 Pc Product Parameter: Max. Charge Voltage: Single rated voltage x N (N indicates the number of series) Max. Charge Current (A): Unrestricted (This current is related to the discharge current of the super capacitor.) Max. Discharge Current (A): Unrestricted (This current is related to the discharge current of the super capacitor.) Min. Discharge Voltage: 0.1V Monomer Equilibrium Starting Voltage: 2.65V Balance Start Voltage Error: 0.25% Single Balanced Start Display: Red LED lamps light Monomer Equilibrium Current: Less than 1A for DC Resistance: 1m Operating Temperature Range: -40 - 85/-40 - 185 Storage Temperature Range: -40 - 85/-40 - 185 Tips: 1. With LED balanced overvoltage indicator, in order to avoid damage to the equalizer board, discharge the voltage of each supercapacitor cell to 0V before assembly. 2. Solder separately on the supercapacitor equalizer board. For the for protection of knowledge products, the silkscreen of the device above the sample will be erased, please buyers know! Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Super Capacitor Balancing for Protection Board