Home / Products / Special Lithium Battery / HB 14.8V 12Ah -40℃ Low Temperature Discharge, 18650 Low Temperature Lithium Ion Battery

HB 14.8V 12Ah -40℃ Low Temperature Discharge, 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 12000mAh
Min. Capacity 12000mAh
Cell Initial Impedance ≤ 180mΩ
Cycle life >300 (at 0.5C discharge)
Normal Voltage 15.2V
Initial Voltage ≥16.0V

MECHANICAL

Battery pack Thickness max. 275mm
Battery pack Width max. 78mm
Battery pack Height max. 20.5mm
Pack Impedance ≤180mΩ
Cell type LiFePo4 Battery

TEMPERATURE

Discharge Temperature -40 ~50℃
Charge Temperature 0 ~ 50℃
Limited Charge Voltage 16.8 V
Cut-off Voltage 10..0V
Standard Charging Method 0.2C CC current charge to 16.8V, 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 1C

Applications

  • Backup Power
  • Electric Vehicles
  • Marine
  • Recreational vehicles
  • Solar

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