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Upgraded (BB-2590/U)

6.8 Ah Rechargeable, Lithium-Ion Battery, the only BB-2590/U Certified for Military Use.

Please refer to BT-70791CK, our highest capacity BB-2590/U battery or contact us for more information.

  • Military#: BB-2590/U
  • NSN: 6140-01-490-4316
  • Chemistry#: Li-ion

Size / Weight

  • Length

    4.4 in (112 mm)

  • Width

    2.4 in (61 mm)

  • Height

    5.0 in (127 mm)

  • Weight

    3.1 lb (1.4 kg)


  • SMBus


  • State of Charge Indicator


  • Connector

    Floating type per U.S. Army DWG # SC-C-179495

  • Voltage

    28.8V, Two (2) Sections each 14.4 V

  • Maximum Voltage

    33.0V, Two (2) Sections each 16.5 V

  • Capacity

    In 24V Mode: 6.8 Ah, In 12V Mode: 13.6 Ah

  • Storage Temperature

    -40°C to +40°C (-40°F to +104°F)

  • Operating Temperature

    -20°C to +60°C (-4°F to +140°F)

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