specifications for the HT Series Supercaps with the type name HT-2R7:

• Rated Voltage (VR): 2.7V

• Surge Voltage: 2.85V

• Capacity Range: 50F

• Operating Temperature Range: -40°C to +85°C

• Product Life:

  • Normal Temperature Cycle Life: 25°C, VR to 1/2 VR cycle 1 million times, capacity attenuation ≤ 30%, internal resistance change ≤ 4 times

  • High Temperature Endurance Life: 85°C, keep 2.7V for 1000 hours, capacity attenuation ≤ 30%, internal resistance change ≤ 4 times