Print Model | Print Item Number |
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BB-2557/U, 28.8V, 3.3Ah High Capacity Rechargeable Lithium-Ion Battery | BT-70757BG |
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Request PricingBren-Tronics – BB-2557/U, 28.8V, 3.3Ah High Capacity Rechargeable Lithium-Ion Battery

Built tougher and runs 30% longer than the original BT-70757 version. Certified by the DOD for military use. Complies with SMBus v1.1 and SBData v1.1. Typically used in TACFIRE (AN/PSG-2A & 2B), REMBASS (RT-1175A/GSQ), AN/PSQ-7, and unmanned robots (UGV/UAV).
- Dimensions (LxWxH): 4.125 in (105 mm) x 1.437 in (37 mm) x 3.916 in (0.78 mm)
- Weight: 1.2 lb (0.54 kg)
Brand | Bren-Tronics |
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Capability | Power Management & Supply, Radios & Accessories |
Catalog | C4ISR |