HONG KONG TAC INDUSTRIAL CO., LTD.

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Home ProductsLithium Ion Cylindrical Battery

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

Good quality 3.2V LiFePO4 Battery for sales
Good quality 3.2V LiFePO4 Battery for sales
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21700 Lithium ion Cylindrical Battery For Energy Storage System 3.7V 4800MAH

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

Large Image :  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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