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Ultralife U10027 UHR-CR25650 3.3V 6.1Ah 5/4 C Lithium Primary (LiMnO2) Low Vent Battery - No Tabs - Bulk

Item #: ULTRALIFE-U10027
Brand: Ultralife
Item #: ULTRALIFE-U10027
Brand: Ultralife

Ultralife U10027 UHR-CR25650 5/4 C Lithium Primary (LiMnO2) Battery

Low Vent Battery - No Tabs

3.3V | 6.1Ah

The Ultralife U10027 is a primary lithium 5/4 C cell battery that was designed specifically for military, medical, telematics, and emergency locator devices. This cell features a pressure vent which keeps the battery (and devices being used) safe from damage caused to the housing of lightweight and thinner celled batteries when encountering changing pressure or elevation. The U10027 has a wide operating temperature range and a long 10 year shelf life - making them ideal for safe storage.


  • High voltage, high energy specialized battery
  • Broad operating temperature range
  • Zero voltage delay
  • High capacity for extended run times
  • 10 year shelf life
  • Hermetically sealed cells, Ni-plated steel can housing
  • Used in a range of military and medical devices, telematics and transmitter electronics
  • Low vent pressure can

Technical Specifications:

  • Battery Size/Part No.: 5/4 C UHR-CR25650 / U10027
  • Battery Chemistry: Lithium Primary
  • Battery Sub-Chemistry: Lithium Manganese Dioxide (LiMn02)
  • Terminal Type: Flat Top - End Caps
  • Rechargeable: No
  • Protected Cell: Yes - PTC - SRP200 or equivalent
  • Housing: Hermetic Ni-plated steel can, insulated sleeve
  • Nominal Voltage: 3.0V
  • Voltage Range: 1.5V to 3.3V
  • Nominal Capacity: 6.1Ah @ 150mA to 2.0V @ 23°C
  • Pulse Capability: Up to 5.3A
  • Max Discharge Current: 2.5A Continuous
  • Operating Temperature Range: -40°F to 161°F (-40°C to 72°C)
  • Storage Temperature Range: -40°F to 203°F (-40°C to 95°C)
  • Shelf Life: 10 Years
  • Applications: Medical, Govt and Defense, Safety and Security, Search and Rescue, Industrial
  • Safety: Can Vent Pressure - 375 PSI
  • Dimensions:

    • Height with End Caps: 2.38" (60.5mm)
    • Diameter: 1.01" (25.8mm)
    • Weight: 2.50 oz. (71.0g)

    Note: For more information about technical specifications, please see the downloadable data and safety sheets.

    Please Note: This battery is rated Class 9 Hazmat and cannot be shipped via air. Expedited shipping will be delayed.

    This primary cell is NOT rechargeable. Under no circumstances should it be placed in a charger. When fully discharged, please dispose of the cell according to your local regulations.
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