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Rechargeable Lithium-Ion Battery

BT-70757Bx Series

NSN: 6140-01-490-5387

  • Complies with SMBus v1.1 and SBData v1.1
  • Comparable to: BT-70557, BT-70757, BT-70757A, BT-70757G, BB-2557/U and BB-557/U
  • Absolute state of charge indicator
  • Available Configurations include:
    • BT-70757BE, 2.8 Ah in 24 V, 5.6 Ah in 12 V, UN/DOT 38.3 RATING: 84 Wh
    • BT-70757BG, 3.3 Ah in 24 V, 6.6 Ah in 12 V, UN/DOT 38.3 RATING: 98 Wh
    • BT-70757BK, 2.5 Ah in 24 V, 5.0 Ah in 12 V, UN/DOT 38.3 RATING: 75 Wh
    • BT-70757BV, 3.4 Ah in 24 V, 6.8 Ah in 12 V, UN/DOT 38.3 RATING: 99 Wh

Typical Applications:

  • TACFIRE (AN/PSG-2A & 2B)
  • REMBASS (RT-1175A/GSQ)
  • AN/PSQ-7
  • Unmanned Robots (UGV/UAV)
Dimensions Length: 105 ± 0.78 mm
Width: 37 ± 0.78 mm
Height: 99 ± 0.78 mm
Weight 0.54 kg
Nominal Voltage 28.8 V, Two (2) x 14.4 V / Section
Maximum Voltage 33.6 V, Two (2) x 16.8 V / Section
Discharge 3 A maximum continuous / Section
Pulse Discharge 5 A (5 sec ON/25 sec OFF) / Section
Operating Temperature – 20°C to + 60°C
Recommended Storage Temperature – 40°C to + 40°C
Connector 6 Pin Floating Type per US Army DWG # SC-C-179495
State of Charge Indicator 5 Segment LCDs with Constant Display
Disposal Check local regulations (Contains 0% Mercury or Cadmium)
Charger Part Number Required Adaptor Part Number
BTC-70801 BTA-70812
BTC-70844 BTA-70812
BTC-70819, -1, -3 BTA-70812
BTC-70836 BTA-70843
BTC-70870, -1, -3 BTA-70843
BTC-70824-1 BTA-70782
BTC-70663 BTA-70782
BTC-70824-2 Not Required
BTK-70822-MR-x Not Required
BTC-70791-MR Not Required
BTC-70903-MR1 Not Required