INR18650-2000mAh battery,2200mAh Li-ion battery manufacturer,lithium ion battery for vacuum cleaner,High security lithium ion battery

 

INR18650-2000mAh battery,2200mAh Li-ion battery  manufacturer,lithium ion battery for vacuum cleaner,High security lithium ion battery

 

2000mAh Li-ion cylindrical battery Product Details:

 

Items   

Specifications 

1

Model 

 20P1 (INR18650-2000)

2

Can Material 

Ni-Iron 

3

Min  Capacity 

1950 mAh(0.2C)

4

Nominal Voltage 

 

5

   

6

Discharge Cut-off Voltage 

 

7

 

4A

8

 

 20 A

9

 

30A( 2s pulse  )

10

  1. (include PET)
 

11

   

12

Weight (Approx.)

 

13

Impedance (Max. at 1000Hz、charged status)

 15±3mΩ

14

  Pack consistency 

 △Voltage △Impedance △Capacity

15

 Charge Method (CC/CV) 

Standard 

 

Quick

2C×1.0 hrs.

16

 Operating temperature (surface temperature) 

Charge 

0℃~45℃

Discharge 

-20℃~75℃

Storage 

-20℃~45℃

 

Characteristic of  echargeable lithium battery

Unless otherwise specified, all tests stated in this specification are conducted at temperature 23±3°and humidity under 65%.

(1) Amp-meter and volt-meter

The amp-meter and volt-meter should have an accuracy of the grade 0.5mA and mV or higher. 

(2) Slide caliper

The slide caliper should have 0.01 mm scale.

(3) Impedance meter

The impedance meter with AC 1kHz should be used.

Charging the cell CCCV with charge current 0.5C, constant voltage 4.2V and 100mA cut-off in CV mode at

23℃for capacity. 

Discharge current of 400mA (0.2C) with 2.5V cut-off at 23℃within 1hour after the standard charge.

 

Electrical Characteristic for High temperature resistance lithium ion battery

 

 

 Item

Standard

Test Method

1

Discharge rate capabilities

A)1 C  ≥97% B)5 C ≥95% B)10 C  ≥95%

Standard charged under the condition of normal atmospheric pressure and the environmental temperature of 23℃±3℃ and45%~85%RH, then rest for 30mins and discharge at1C、5 C 、10C to the discharge cut-off voltage respectively. Charge/discharge cycle can be conducted for 3 times beforemeeting the Standards(the same below)

       2

capacity retention and recovery

Residual capacity≥94%Recoverable capacity≥*98%

Standard charged under the condition of normal atmospheric pressure and the environmental temperature of 23℃±3℃,Stored for 28 days, then discharge at 0.2 C to 2.75V measuring residual capacity; Then standard charge/discharge measure recoverable capacity.

3

Low TemperaturePerformance

discharge capacity≥85% rated capacityno distortion and no rupture

The cell shall be charged in accordance with the standard charge. Then stored in the temperature of -10℃±1℃ for4h, Discharge at the constant current of 0.2C down to the end-of-discharge voltage 2.50V.

4

Cycle Life

2A charge/ 10Adischarge≥500cycles4A charge/ 20Adischarge≥200cycles  

Charge: The cell shall be charged in accordance with2A(4A)Charge condition and the end-of-charge voltage is4.15V. rest for 30mins.Discharge:10A discharge to 2.75V, one cycle is finished, rest for 60mins. Then repeat above steps, when capacity is lessthan 70% of initial capacity, the battery life is over. Discharge:20A discharge to 2.75V, one cycle is finished, rest for 60mins. Then repeat above steps, when capacity is lessthan 70% of initial capacity, the battery life is over.

 

Safety Characteristic  for 2000mAh Li-ion battery supplier

 

Item

Standard

Test Method

1

Overcharge

No fire、No explosion

After standard charge, rest for 10mins; then charge at constant current of 3C5A to 10V.(or charge at 3C5A for 90mins). 

2

Forced discharge

No fire、No explosion

The battery to be discharged with standard discharging condition, Inverse charge current =1C5A;time: ≥  90mins 

3

Short Circuit test

No fire、 No explosion

The battery to be fully charged with standard charging condition, and short the positive and negative terminals        with wire resistance  ≤50mΩ.Tests are to be conducted at 23℃±3℃  and at 55℃ ±5℃, keep 24h or case temperature decline to 20% of the max temperature ,test is over. 

4

Crush test

No fire、No explosion

A battery is crushed between two flat surfaces. The applied force is 13 kN±1kN by hydrocylinder, Once the maximum pressure has been obtained or voltage decrease to 1/3 of nominal voltage sharply, then release pressure. 

5

Shock test

No fire、No explosion

The full charged battery is fixed on shock table, to force a certain shock to three mutual vertical direction, in initial 3ms, the min. average acceleration is 75gn,the peak acceleration is between 125gn and 175gn.

6

Heating test        (130°C)

No fire、No explosion

The cells are fully charged with standard charging condition, and put into incubator with nature air or cycled air convected, heat battery by velocity of 5°C ±2°C/min to 130°C±2°C,and maintain for 10mins. 

    7

Temperature  Cycling Test

no leakage, no fire, no explosion

The fully charged batteries are placed in a test chamber and subjected to the following cycles: a) Raising the temperature to 75°C ±2°C within 30 minutes and maintaining this temperature for 6 hours. b) Reducing the temperature to minus 40°C ±2°C within 30 minutes and maintaining this temperature for 6 hours. c) Repeating the sequence for a further 9 cycles. d) After the 10th cycle, storing the batteries for 24 hours prior to examination.

 

Package

The cells are packed with JIANGSU SUNPOWER CO.,LTD. standard carton box, which hold four inner boxes. There are 150pcs 18650 cells per inner box. And each cell is held by a cardboard with 100 sockets.

Warranty Period & Product Liability  

Warranty period of this product is 12 months from manufacturing code. JIANGSU SUNPOWER CO., LTD. is not responsible for the troubles caused by mishandling of the battery which is against the instructions in this specification.

 

Warnings and Cautions in Using the Li-ion Rechargeable cylindrical battery 

 

To prevent a possibility of the battery from leaking, heating or explosion please observe the following precautions:

● When using a new battery for the first time or after long term storage, please use the battery charger specifically for that purpose fully charge the battery before use. 

● Do not disassemble or open, crush, bend or deform, puncture, or shred;

● Do not modify or remanufacture, attempt to insert foreign objects into the battery, immerse or expose to water or other liquids such as water, seawater, drinks such as soft drinks, juices, coffee or others, or expose to fire, explosion, or other hazard.

● Do not short circuit a battery or allow metallic or conductive objects to contact the battery terminals. 

● Avoid dropping the or battery. If the or battery is dropped, especially on a hard surface, and the user suspects damage, take it to a service center for inspection.

● The battery replacement shall be done only by either cells supplier or device supplier and never be done by the user. 

● Replace the battery only with another battery that has been qualified with the system per standard. Use of an unqualified battery may present a risk of fire, explosion, leakage, or other hazard. 

● Don't keep a battery at rest for a long time (over 6 months). Safety accident may happen when recharging battery which has a rest for a long time.

● In the event of a battery leak, do not allow the liquid to come in contact with the skin or eyes. If contact has been made, wash the affected area with large amounts of water and seek medical advice. 

● Battery usage by children should be supervised. Seek medical advice immediately if a battery has been swallowed

● Never disassemble cells. The disassembling may generate internal short circuit in the cell, which may cause firing or other problems. 

● Never incinerate nor dispose the cells in fire. These may cause firing of the cells, which is very dangerous and is prohibited.

● Do not remove the outer sleeve from a battery pack nor cut into its housing. 

● Do not mix our batteries with other battery brands or batteries of a different chemistry such as alkaline and zinc carbon. 

● Do not mix new batteries in use with semi-used batteries, over-discharge may occur. 

● Promptly dispose of used batteries in accordance with local regulations.

 

Ship

 

The cells might be damaged during shipping by shock. If any abnormal features of the cells are found such as deformation of the cell package, smelling of an electrolyte, an electrolyte leakage and others, the cells shall never be used any more. The Cells with a smell of the electrolyte or a leakage shall be placed away from fire to avoid firing.

 

Storage  

The cell shall be stored at the environmental condition of -20℃ - 45℃ and 65%±20% RH. The voltage for long time storage shall be 3.6V-3.9V range. If the cell has to be storied for a long time (Over 3 months), the environmental condition should be: Temperature: 23℃±3℃ Humidity: 65%±20%RH; please activate the battery once every 3 months according to the following method: Charge with current 0.2C5A until the voltage achieve to 4.0V.

 

The company founded in 2014, focus on producing cylindrical power lithium-ion batteries. The company supply Electric vehicle cylindrical lithium battery, which include 1500mAh, 1300mAh, 2000mAh, 2200mAh, 2500mAh, 2600mAh Li-ion battery and 3000mAh Li-ion battery. All adopt the most advanced extrusion coating production technology and yearly production reaches to 250 million Ah power type 18650 High security lithium ion battery. Our products have high quality and competitive prices.

If you want to learn more about the High security lithium ion battery, please visit here.

 

https://www.sp-powerbattery.com/

 




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