Butler Group Secure Solutions Tactical Power Solutions Battery: BT-70757 (BB-2557/U)
Battery: BT-70757 (BB-2557/U)
Rechargeable, Lithium-Ion Battery
Typically used in electronics: AN/PSG-2A & 2B (Tacfire), RT-1175A/GSQ (REMBASS), Unmanned Robotics (UGV / UAV), & AN/PSQ-7.
- Military#: BB-2557/U
- NSN: 6140-01-490-5387
- Chemistry: Li-Ion
Size / Weight
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Length
4.1 in (105mm)
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Width
1.4 in (37mm)
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Height
3.9 in (100mm)
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Weight
1.2 lb (0.54 kg)
Other
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SMBus
Yes
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State of Charge Indicator
Yes
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Connector
Floating type per U.S. Army DWG # SC-C-179495
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US Government Spec
MIL-PRF-32052/7
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Voltage
28.8V, Two (2) Sections each 14.4 V
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Maximum Voltage
33.0V, Two (2) Sections each 16.5 V
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Capacity
In 24V Mode: 2.2 Ah, In 12V Mode: 4.4 Ah
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Storage Temperature
-40°C to +40°C (-40°F to +104°F)
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Temperature Operations
-20°C to +55°C (-4°F to +131°F)
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