Jinglong Technology Co., Ltd.

China Manufacturer with main products: Military Battery, military battery chaqrger, aviation battery, storage battery, Nickel Cadmiun Battery, Lithium Sulfur Dioxide Battery,...

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Military Battery Charger (BB2791)

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Payment Terms: T/T(Bank Transfer)
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Place of Origin: Shenzhen in China


The BB-2791 is based on "smart charging" technology. The unit automatically detects battery problems such as open cells or other battery problems, which prevent a safe and efficient charge. There are a number of internal safeguards built into the unit. Temperature, voltage and time are monitored throughout the fast charge. Fast charge is terminated when the unit detects the battery has been fully charged. the charger will charge using a constant current of 2.5A until the voltage reaches 16.8V. When the voltage is reached, the charger will go into a constant voltage mode. When the charge current falls below 240mA, the charge is complete. There is a 12 hour safety timer if the charge current never goes low enough. This will terminate the charge.
       Smart Charge Modules, which detect open or shorted cells. If a defective cell is detected the BB-2791 will not start the charge cycle.
      Once Charge is completed the BB-2791 will maintain the battery being charged with a trickle charge, if battery is left connected to the BB-2791.
In no event will a battery be overcharged using the SMART CHARGING TECHNIQUES of the BB-2791.
There are Eight groups of LEDS indicating the status of the charger.
Smart Charge Supply
The Smart Charge Modules are repairable potted modules. These modules accept a DC input
voltage, monitor battery selection and provide the charging functions for the battery to charged. The battery detection circuit, battery charge indicator LEDS and charge circuitry are all located on these boards. The module provides the necessary voltage/current parameters to the battery charge connectors.
Input Power Capabilities
DC Input Range: 12 to 36 VDC auto ranging
AC Input Range: 95 to 260 VAC, 47 to 440 Hz auto range
Output Capabilities
Charge Current: 2.5 Amp per String
Charge Voltage: 16.8 Vol (Lithium-Ion)
Environmental Characteristics.
Charging Temp: 0°C to +45°C (32°F to +113°F)
Storage Temp: -50°C to +65°C (-58°F to +149°F)
Operating Altitude: 27,000 ft (8,229.6 m)
Storage Altitude: 55,000 ft (16,764 m)
Humidity: 95% Relative 

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