material Light weight and durability This is of Aluminium material 1, High-energy supercapacitors have fixed polarity and cannot be in reverse 2, Do not touch metal objects when using high-energy supercapacitors to avoid short circuit caused by positive and negative connections. 3, High-energy supercapacitors should be used at nominal voltage and rated current 4, Charging and discharging current is suitable for rated charging and discharging mode, up to 20C. 5, Do not use high-energy supercapacitors near the heat source, and the product should not be used in an environment exceeding 70C 6, Storage of high-energy supercapacitors requires storage Type: Super Capacitor Condition: Capacitance value: 100F Rated voltage: 4.2V Model: 4.2v100f Installation type: plug in Temperature range:- 40 -+70 Single Size: 13mmx20mm Equivalent series resistance: less than 120 milliohm Series: high energy super capacitor Fitment: For Instrumentation Colour:blue Material:aluminum Package Contents: 10 x Super Capacitor