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Home ProductsLithium Ion Cylindrical Battery

21700 Lithium ion Cylindrical Battery For Energy Storage System 3.7V 4800MAH

21700 Lithium ion Cylindrical Battery For Energy Storage System 3.7V 4800MAH

    • 21700 Lithium ion Cylindrical Battery For Energy Storage  System 3.7V 4800MAH
    • 21700 Lithium ion Cylindrical Battery For Energy Storage  System 3.7V 4800MAH
    • 21700 Lithium ion Cylindrical Battery For Energy Storage  System 3.7V 4800MAH
  • 21700 Lithium ion Cylindrical Battery For Energy Storage  System 3.7V 4800MAH

    Product Details:

    Place of Origin: guangzhou
    Brand Name: TAC
    Certification: CE\UN38.3\ROHS
    Model Number: 21700

    Payment & Shipping Terms:

    Minimum Order Quantity: 5000pcs
    Price: USD 3 each pcs
    Packaging Details: 20pcs/ inner box , 5 box/ carton
    Delivery Time: 10 work days
    Supply Ability: 300000pcs /month
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    Detailed Product Description
    Material: Lithium Ion Voltage: 3.7v
    Capacity: 4800mah Discharge Rate: 0.2C
    Size: D; 21mm H:70mm PVC Color: Blue Or OEM
    Circle Life: 500 Times Current: Max Discharge Current 0.2C
    Warranty: 12 Months Application: Energy Storage System
    Type: Cylindrical Battery Certification: UL

    21700 Lithium ion Cylindrical Battery For Energy Storage System 3.7V 4800MAH

    Feature:

    The model 21700 is the newest design for Lithium ion Cylindrical Battery, the size follow Samsung, and the performance similar with Tesla , the energy density rise20% than normal lithium-ion battery , and the cost down 9%

    Specification for 21700 Lithium ion Cylindrical Battery For Energy Storage System 3.7V 4800MAH

     
    No. Items Data Standard
     

    Nominal Capacity

    4800mAh

    0.5C Standard discharge

     

    2

    Minimum Capacity

    4700mAh
    3

    Nominal Voltage

    3.7V

    Mean Operation Voltage

     

    4

    Delivery voltage

    3.60~3.8V

    Within 10 days from Factory

     

    5

    Charge Voltage

     

    4.2V±0.03V

    By standard charge method

     

    6

    Standard charging method

     

    0.2C constant current,4.2V constant voltage charge to 4.2V,continue charging till current decline to ≤0.01C

     

    7

    Charge current

    0.2C 940mA

    Standard charge, charge time about 7h(Ref)

     

    0.5C 2400mA

    Rapid Charge, charge time about: 3.5h(Ref)

     

    8

    Standard discharging method

     

    0.2C constant current discharge to3.0V,  
    9

    Cell Internal Impedance

     

    ≤50mΩ

    Internal resistance measured at AC 1KHZ after 50% charge

     

     

    Cell Electrical Performance

     

    No Items Test Method and Condition/
     
    Criteria
    1

    Rated Capacity at 0.2C(Min.)

     

    After standard charge, the capacity shall be measured on 0.2C discharge till the voltage discharge to3.0V,

     

    ≥2400mAh ≥100%

    Rated Capacity at 0.5C(Min.)

     

    After standard charge, the capacity shall be measured on 0.5C discharge till the voltage discharge to 3.0V,

     

    ≥7200mAh ≥98%
    2

    Cycle Life

     

    Charging and discharging battery as blew conditions

    0.2C standard charge to 4.2V end-off

    0.2C standard discharge to 3.0V cut-off

    Continuous charge and discharge for 300 cycles ,the capacity will be measure after the200th cycle

     

    ≥80% of initial capacity
    3

    Capacity retention

     

    The battery to be charge in accordance with standard charge condition at 20~25℃,then storage the battery at an ambient temperature 20~25℃ for 28 days.

    Measure the capacity after 30 days with 0.2C at 20~25℃ as retention capacity

     

    Retention capacity

     

    ≥85%

     

    Application for 21700 Lithium Battery For Electrical Vehicle 3.7V 3000MAH 30C

    1. The cell can be assebled to battery pack for EV / E-CAR /  E-SCOOTER /E-Bike 
    2. The cell can fit together to various capacity and voltage to used forEnergy storage system// Portable ESS
    3. The cell can assembled to the pack for power tool /
    4. The cell used for Solar production
    5. The cell can fit in series or in parallel for various Elictreicl boat

    Package For Bulk 

     

      20-50 pcs / box and 4 box pcs/ export carton

      Display and specially color carton are workable of OEM ODM order 

      The pack meet international transportation require , and the outer carton is hard and nice.

     

      21700 Lithium ion Cylindrical Battery For Energy Storage  System 3.7V 4800MAH

     

    21700 Lithium ion Cylindrical Battery For Energy Storage  System 3.7V 4800MAH

     

    Delivery Time Information

    If the customer order normal industry pack base on blue pvc and printing, Tac can delivery with 7-10 days

    if the  order is OEM  for bulk or battery pack, TAC can delivery the 25-30 days after  confirm the detail including of the pcb wire and connector etc.

    Period of Warranty

     

    The period of warranty is 12 months from the batteries shipped out from factory. We guarantees replace the good production or return the payment as long as the reject reason because of our quality.

    The suggestion for Storage of the Lithium-ion Batteries

    The batteries should be stored at room temperature, charged to about 30% to 50% of capacity.
    We recommend that batteries be charged about once per half a year to prevent over discharge.

     

    Other Size for Lithium ion cylindrical Battery

    MODEL CAPACITY VOLATGE
    ICR10440 250-400mAh 3.7-4.2V
    ICR14500 450-600mAh 3.7-4.2V
    ICR17335 750-900mAh 3.7-4.2V
    ICR18490 1100-1500mAh 3.7-4.2V
    ICR18500 1500-1800mAh 3.7-4.2V
    ICR18650 2000-2800mAh 3.7-4.2V
    ICR26650 3000-3300mAh 3.7-4.2V
    ICR20700 3500mAh 3.7-4.2V
    ICR21700 4800mAh

    3.7-4.2V

     

    and more pls check our website Http://www.tacbattery.com

     

    21700 Lithium ion Cylindrical Battery Bare Cell

    21700 Lithium ion Cylindrical Battery For Energy Storage  System 3.7V 4800MAH

     

     

    Battery Photo for Similar Model ( Bulk Pakage)

    21700 Lithium ion Cylindrical Battery For Energy Storage  System 3.7V 4800MAH

     

    21700 Lithium ion Cylindrical Battery For Energy Storage  System 3.7V 4800MAH

     

    Lithium-ion battery Cell Assembled To Various Battery Pack

     

    21700 Lithium ion Cylindrical Battery For Energy Storage  System 3.7V 4800MAH

    Contact Details
    HONG KONG TAC INDUSTRIAL CO., LTD.

    Contact Person: Vivian

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