- Voltage-proof up to 3V
- Capacity values up to 3,400 F
Double-layer capacitors, also known as supercapacitors or ultracapacitors, achieve values within the farad range thanks to their double layer. They feature a high current and cycle load capacity and a longer life cycle in comparison to rechargeable batteries. They are also significantly more physically stable than lead batteries, considerably lighter and are therefore able to withstand mechanical phenomena such as shock and vibration more effectively.
Supercapacitors have a lower energy density than rechargeable batteries, but can provide much larger currents. You can thus say that electrochemical double-layer capacitors store less energy, yet more power than rechargeable batteries. This means that the charging/discharging currents are much, much larger than rechargeable batteries. Supercapacitors can use all their advantages in applications where a charging process lasts just seconds.