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21700 Military Lithium Battery 28ah 14.4v 500 Times Cycle Life 1 Year Warranty-16 years lithium battery expert

21700 Military Lithium Battery 28ah 14.4v 500 Times Cycle Life 1 Year Warranty

Basic Information
Place of Origin: CHINA
Brand Name: HB
Certification: ROHS
Model Number: HB28Ah 14.4V
Minimum Order Quantity: Contact sales to get
Price: Contact sales to get
Packaging Details: Contact sales to get
Delivery Time: Contact sales to get
Payment Terms: T/T
Supply Ability: Contact sales to get
Detail Information
NominalVoltage:14.4V NominalCapacity:28000mAh
Warranty:1Year CycleLife:500Times
StandardDischargeCurrent:0.2C 11

Product Description

21700 military battery 28Ah 14.4V low temperature lithium battery -40 ℃


1. Technical Parameters


Items Rated Performance Remarks
Nominal Capacity 28000mAh

Discharge at 0.2C after standard charge fully.

Minimum Capacity

Nominal Voltage 14.4V  

End-of-Voltage at end of Discharge


End-of-Charging Voltage

AC Impedance ≤150mΩ AC 1KHz

Standard charge current

5.6A 0.2C

Standard discharge current

5.6A 0.2C
Fast Charge 0.5C CC →16.8 V cutoff Charge time: Approx 2.5h.
Fast Discharge 0.5C CC→10.0 V cutoff  
Maximum Continuous Charge Current 14A 0.5C
Maximum Continuous Discharge Current 28A 2C

Operation Temperature Range

Charge: 0℃~45℃ Humidity60±25%
Discharge: -40~50℃

Storage T/H Range

Weigh Approx:2.5Kg