The low temperature bb2590 shall contain flat terminals as specified in the applicable specification sheet. Battery terminals, including data and charge terminals, shall be of sufficient strength to withstand 250 connections without damage that would interfere with connections and shall maintain a fully functional interface. When tested as specified in , battery terminals shall not tear, rip, be displaced or separate from the battery case.
State of charge indicator window for high capacity bb2590 Lithium battery : The state of charge window shall remain intact, in place, and transparent during the life of the battery. The SOCI window shall have a smooth finish free from pitting, blow-holes, rough spots, or other deformations and shall be fabricated of material having sufficient strength to withstand the environmental and electrical
tests specified herein. Certification for transparency during the life of the battery is required.
9.9Ah BB2590U military lithium-ion features (BT-70791CG):
1.This is high performance rechargeable Lithium Ion battery with instantaneous start up.
2.Dual state of charge [gas gauge" LCD displays.
3.Durable high impact plastic housing and connector enclosure
4.High capacity, performance verified, hermetically sealed, lithium-ion cells.
5.Protection against short circuit and improper charge.
6.High reliability due to all welded Construction.
7.Unit contains safety vented cells
8.100% final testing
9.Replacement for: BB-390A/U, BB-590/U
BB-390B/U battery , BB-490/U battery , BA-5590/U battery ,BA-5390/U battery , BA-5290/U battery , BA-3590/U battery , and variants.
BT Part Number BT-70791CG
Dimensions Length: 4.4 in (112 mm) Width: 2.4 in (61 mm) Height: 5.0 in (127 mm)
Weight: 1.4 kg
Nominal Voltage: 28.8V, Two (2) x 14.4V/Section
Maximum Voltage: 33.0V, Two (2) x 16.5V/Section
33.6V, Two (2) x 16.8V/Section (with the BTA-70903 adapter)
Capacity: 9.9Ah in 24V Mode; 19.8Ah in 12V Mode
Discharge: 10A Max Continuous / Section
Pulse Discharge : 18A (5 sec ON/25 sec OFF) / Section
Operating Temperature: –20°C to +60°C (-4°F to +140°F)
Recommended Storage Temperature : –40°C to +40°C (-40°F to +104°F)
Connector: Floating Type per U.S. Army DWG# SC-C-179495
State of Charge Indicator: 2 Separate 5 Segment LCDs with Constant Display
Disposal: Check local regulations (Contains 0% Mercury or Cadmium)
--- Dual modes: 15V or 30V
--- High energy density
--- LCD Displays
--- Light weight
--- 5-year shelf life
--- SMBUS data communication
--- Safe: non-pressurized system
--- PRC-104, PRC-119
--- PRC-138, KY-57
--- Other equipment
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