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BT-70757BV, BB-2557/U zoom

  • BT-70757BV, BB-2557/U

3.4Ah, Standard BB-2557/U Rechargeable Lithium-Ion Battery (BB-2557/U)

BT-70757BV

This latest configuration of the BB-2557/U is built tougher and runs 14% longer than the BT-70757 version. It is certified by the DOD for Military Use. Typically used in many different devices such as unmanned robots (UGV and UAV's), TACFIRE, and REMBASS

  • Military#: BB-2557/U
  • NSN: Conforms to: 6140-01-490-5387
  • Chemistry#: Li-ion
  • ● Complies with SMBus v1.1 and SBData v1.1
    ● UN/DOT 38.3 Rating: 99Wh
    ● Comparable to: BT-70557, BT-70757, BT-70757A, BT-70757G, BB-2557/U, and BB-557/U
    ● Absolute state of charge indicators


    Typically used in:

    ● TACFIRE (AN/PSG-2A & 2B)
    ● REMBASS (RT-1175A/GSQ)
    ● AN/PSQ-7
    ● Unmanned Robots (UGV/UAV)

Size / Weight

  • Length

    4.125 +/- 0.031 in (105 +/- 0.78 mm)

  • Width

    1.437 +/- 0.031 in (37 +/- 0.78 mm)

  • Height

    3.916 +/- 0.031 in (99 +/- 0.78 mm)

  • Weight

    1.2 lb (0.54 kg)

Other

  • SMBus

    Yes

  • State of Charge Indicator

    Yes

  • Connector

    6 Pin Floating Type per U.S. Army DWG #SC-C-179495

  • Voltage

    28.8V, Two (2) Sections each 14.4V

  • Maximum Voltage

    33.6V, Two (2) Sections each 16.8V

  • Capacity

    In 24V Mode: 3.4 Ah, In 12V Mode: 6.8 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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