Home / Products / Special Lithium Battery / HB -40℃ Low Temperature Lithium Battery, 21.6V 5Ah 18650 Low Temperature Lithium Ion Battery

HB -40℃ Low Temperature Lithium Battery, 21.6V 5Ah 18650 Low Temperature Lithium Ion Battery

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Overview&Features

Special lithium batteries are lithium batteries with special characteristics, such as high temperature resistance, low temperature resistance, fast charging, fast discharge, high voltage, high energy density, etc. Special lithium batteries can be used in aerospace, missile-borne vehicle equipment, military weapons , Polar scientific research, frigid zone rescue, power communications, public security, medical electronics, railways, military electronics and other industries.

Special lithium batteries must be specially customized. The difference between them and ordinary civilian batteries is that they have a faster charging speed, a wider operating temperature range, a higher low-temperature discharge rate, and a better explosion-proof function.

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Hoppt product’s safety performance is comfirmed to

  • UL1642 standard.No leakage, capacity Recovery rate:³ 90% (storage 3h)
  • No explode, no fire, no  leakage.
  • Avoid insolation or dropping into fire.
  • Avoid shorting the battery.
  • Avoid excessive physical shock or vibration.
  • Don’t disassemble or deform the battery.
  • Don’t immerse in water.
  • Don’t use the battery mixed with other model or manufacturer batteries.
  • Battery charge should be used appropriate charger.

Specification

ELECTRICAL

Nominal capacity 5000mAh
Min. Capacity 5000mAh
Cell Initial Impedance ≤ 120mΩ
Cycle life >300 (at 0.5C discharge)
Normal Voltage 22.8V
Initial Voltage ≥24.0V

MECHANICAL

Battery pack Thickness max. 123mm
Battery pack Width max. 67.5mm
Battery pack Height max. 39mm
Pack Impedance ≤200mΩ
Cell type LiFePo4 Battery

TEMPERATURE

Discharge Temperature -40~ 50℃
Charge Temperature -40~ 50℃
Limited Charge Voltage 25.2V
Cut-off Voltage 16.8V
Standard Charging Method 0.2C CC current charge to 25.2V, then CV charge till current declines to

0.01C

Operating humidity Range ≤ 90%RH

HEATING ELEMENT

Standard Charging Current 0.2C
Standard Charging Time 6~7 hours
Rapid Charging Current 0.5C
Rapid Charging Time about 3.5hours
Standard Discharging Current 0.2C
Max. Discharging Current 0.5C

Applications

  • telecommunications
  • communications
  • solar energy storage batteries
  • UPS uninterruptible power supplies
  • hydropower stations
  • wind power storage
  • mobile communication base stations
  • street lights and urban lighting projects
  • emergency lighting, forklifts, car starting, lighting, fire protection, safety systems, etc. .

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