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UCK Series


Applications:Tram(contacted network, mixed network, contactless network),Marine power supply

Characteristics:Up to 1,000,000 cycles under 150A(2.8~3.8V)

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Product catalogue



CE、RoHS certified

Up to 54Wh/kg energy density

Working temperature window : -25~55℃

Up to 1,000,000 cycles under 150A(2.8~3.8V)

Up to 23400kWh/kg discharged specific energy over whole life span(2.8~3.8V)

Higher power density than battery

Multiple protection design, safe and reliable

Accurate CMS regulation and control with good linear charge and discharge behavior


Tram(contacted network, mixed network, contactless network)

Marine power supplyPower compensator

Port truckTunnel locomotive

Mining locomotive

Energy storage of renewable energy sources such as wind and solar power

Other high power and high energy applications

See the product catalogue for more information


Dimension of UCK42V28000


Discharge curves under 2.8~4.05V (left) and 2.8~3.8V (right) of UCK42V28000

Part Number UCK42V28000
Operating Voltage Window (V) 2.8~4.05
Nominal Capacitance (F) 28000
DC Resistance (mΩ) 0.35
Stored Energy (Wh) 46(2.5~4.2V)
Energy Density (Wh/kg) 54(2.5~4.2V)
Standard Charge/Discharge Current (A) 150
Maximum Charge/Discharge Current(<20s) (A) 280
Cycle Life (cycles) 5万(2.8~4.05V)
Weight (g) 830
Dimensions (L×W×H) (mm) 304×109×8
Operating Temperature (oC) -25~+55
Storage Temperature (oC) -30~+60

Method & Notice

Test conditions

Ambient temperature: 25±5℃

Relative humidity:25%~85%

Ambient pressure: 86~106kPa

Standards and conformity

IEC 62576-2009 Electric double-layer capacitors for use in hybrid electric vehicles-Test methods for electrical characteristics

QC/T 741-2014 Ultra-capacitor for electric vehicles

Q/TFDQ 11-2012 UCK Series Ultra capacitor

Operating requirements

Operating exceeding the upper or lower operating temperature limit is strictly prohibited.

Operating exceeding the maximum or minimum operating voltage is strictly prohibited.

Short-circuit and reverse connection of the unit is strictly prohibited.

Crush, collision, penetration or disassembly of the capacitor is strictly prohibited.

Operating after cell swollen is strictly prohibited.

Abandoning used capacitor is strictly prohibited, please discharge capacitor to 0V before recycling

Please keep away from all heat sources

Please avoid contacting water, oil, acid, alkali and other corrosive matters

Juveniles should operate the unit accompanied by parents

Storage and transportation requirements

Ambient temperature: -30~60℃

Relative humidity: 0~95%

Ambient pressure: 86~106kPa

Storage or transportation of cell voltage below 2.5V is strictly prohibited. Please recharge the unit before long time storage, and recharge interval should be no longer than 6 months

Please keep the unit protected, and prevent from short circuit

Prevent exposing in the sun, keep away from heat sources and keep dry and ventilated

Avoid contact of liquid or corrosive matters

Please handle gently during handling process, prevent inversion, collision, crush or vibration during the process of transportation

The unit can be transported by cars, trains, ships, etc.

See the product catalogue for more information

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