Power Cap

A graphene-based supercapacitor system engineered for mission assurance. Free from lithium-ion supply chain dependencies, it delivers safe, resilient, and transport-ready power with no risk, no maintenance, and no restrictions.

Power the mission anytime, anywhere.

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Mission Assurance

Key Features

Custom Configurations Available for the Power Cap

Voltage

48V

Charge

& Discharge Up to 10 C

Cycles

20,000 (No Degradation)

Depth of

Discharge: 100%

Upkeep

No Maintenance Needed

Safe

No Thermal Runaway

Scalable

Unlimited Linked Pods

Monitor

CANBUS & MODBUS

Mobile

No Flight Restrictions

Warranty

10 Years

Technical Specifications

4.2 kWh PowerCap

Physical Specifications

  • 19-inch Rack Unit (RU) Space: 4 RUs
  • Rack Space Height: 7 in
  • Product Weight: 33 lbs (15.1 kg)
  • Dimensions: W:8.5 in × L:15.25 in × H:6.9 in

Cell Pack

  • Series Capacitors: 14
  • Parallel Capacitors: 4
  • Battery Banks in Parallel: 1
  • Total Capacitors: 56

Energy Specifications

  • Rated Voltage: 48 V
  • Max Continuous Voltage: 58.8 V
  • Max Surge Voltage: 59.5 V
  • Min Voltage: 42 V
  • Nominal Current: 80 A
  • Continuous Current: 160 A
  • Peak Current (5 sec): 240 A
  • Maximum Charging Current: 225 A

Energy Storage & Performance

  • Nominal Energy Rating: 4.2 kVAh
  • Estimated Energy Storage: 4.2 kWh
  • Estimated Internal Resistance: 0.0035 mΩ
  • Estimated Leakage Current: 6% per year
  • Minimum Charge/Discharge Time: 65 minutes at 1C
  • Cycle Life: 20,000 cycles

Temperature Range

  • Minimum Operating Temp: –40°F (–40°C)
  • Maximum Operating Temp: 176°F (80°C)
  • Nominal Operating Temp Range: 59°F (15°C) to 88°F (31°C)
  • Minimum Storage Temp (no LCD): –76°F (–60°C)
  • Minimum Storage Temp (with LCD): –40°F (–40°C)
  • Maximum Storage Temp: 104°F (40°C)

System

  • Peak Efficiency: >95%
  • Maximum Altitude: 12,000 ft (3658 m)
  • Ingress Protection (Cell): IP 68
  • Ingress Protection (Module): IP 20
  • Protective Class: I
  • System Features:
  • Communications & Monitoring: CANBUS with optional Ethernet (Supervisory Monitor Add-on)
  • Case: Durable Rack-Mountable Chassis
  • Front Side Terminals for Easy Accessibility
  • Battery Management System: 1 per cell pack
  • Built-in Protections: Overvolting, Overheating, Spike bypasses, Temperature, 6 redundant FirePro Discs built into the BMS
  • Multiple Modules: Can be used in parallel to increase run-time

Technical Specifications

12.6 kWh PowerCap

Physical Specifications

  • 19-inch Rack Unit (RU) Space: 4 RUs
  • Rack Space Height: 7 in
  • Product Weight: 167 lbs (75.7 kg)
  • Dimensions: W:19 in x L:32.3 in x H:6.85 in

Cell Pack

  • Series Capacitors: 14
  • Parallel Capacitors: 12
  • Battery Banks in Parallel: 1
  • Total Capacitors: 168

Energy Specifications

  • Rated Voltage: 58.1 V
  • Max Continuous Voltage: 58.8 V
  • Max Surge Voltage: 59.5 V
  • Min Voltage: 42 V
  • Nominal Current: 240 A
  • Continuous Current: 480 A
  • Peak Current (5 sec): 720 A
  • Maximum Charging Current: 225 A

Energy Storage & Performance

  • Nominal Energy Rating: 12.6 kVAh
  • Estimated Energy Storage: 12.6 kWh
  • Estimated Energy Storage: 243.24 Ah
  • Estimated Internal Resistance: 0.0035 mΩ
  • Estimated Leakage Current: 4% per year
  • Minimum Charge/Discharge Time: 65 minutes at 1C
  • Cycle Life: 20,000 cycles

Temperature Range

  • Minimum Operating Temp: –40°F (–40°C)
  • Maximum Operating Temp: 176°F (80°C)
  • Nominal Operating Temp Range: 59°F (15°C) to 88°F (31°C)
  • Minimum Storage Temp (no LCD): –76°F (–60°C)
  • Minimum Storage Temp (with LCD): –40°F (–40°C)
  • Maximum Storage Temp: 104°F (40°C)

System

  • Peak Efficiency: >95%
  • Maximum Altitude: 12,000 ft (3658 m)
  • Ingress Protection (Cell): IP 68
  • Ingress Protection (Module): IP 20
  • Protective Class: I
  • Communications & Monitoring: CANBUS with optional Ethernet (Monitor Add-on)
  • Case: Durable Rack-Mountable Chassis
  • Front Side Terminals for Easy Accessibility
  • Battery Management System: 1 per cell pack
  • Built-in Protections: Overvolting, Overheating, Spike bypasses, Temperature, 6 redundant FirePro Discs built into the BMS
  • Multiple Modules: Can be used in parallel to increase run-time