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BT-70757BE zoom

  • BT-70757BE

2.8Ah High Capacity Low Temp Rechargeable Lithium-Ion Battery (BB-2557/U)

BT-70757BE

This configuration of the BB-2557/U is built as a mid price and performance range of the BB-2557. It's tougher and runs 27% longer than the BT-70757 version. It is certified by the DOD for Military Use.

  • Military#: BB-2557/U
  • NSN: 6140-01-490-5387
  • Chemistry#: Li-ion
  • ● Complies with SMBus v1.1 and SBData v1.1

    ● UN/DOT 38.3 Rating: 84 Wh

    ● Comparable to: BT-70557, BT-70757, BT-70757A, BT-70757BG, BT-70757BK, 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: 2.8 Ah, In 12V Mode: 5.6 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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