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Shenzhen Seplos Technology Co.,Ltd

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Vehicle Cylindrical Lifepo4 Lithium Battery Small Lifepo4 Deep Cycle Battery

Vehicle Cylindrical Lifepo4 Lithium Battery Small Lifepo4 Deep Cycle Battery

Vehicle Cylindrical Lifepo4 Lithium Battery Small Lifepo4 Deep Cycle Battery

Product Details:

Place of Origin: China(Mainland)
Brand Name: Seplos
Certification: CE
Model Number: Seplos S22

Payment & Shipping Terms:

Minimum Order Quantity: 50
Price: 0.9$/piece
Packaging Details: One gift box, one battery; One carton box, six gift boxes.
Delivery Time: 5-8 work days
Payment Terms: T/T ,Western Union,MoneyGram
Supply Ability: 10000 Piece/Pieces per Month
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Detailed Product Description
Batter: 18650 Rechargeable Li-ion Name: Cylindrical Rechargeable Lithium Ion Battery
Model: 18650 S22 Place Of Origin: China(Mainland)
Brand: Seplos Application: Light Electric Vehicle

Seplos 16850 S22 2200mAH UAV,Light Electric Vehicle ,Remoto control car Rechargeable Lithium Lon ,solar storageBatter

 

1. General Information

 

1.1 Scope

 

This product specification defines the requirements of the rechargeable lithium ion battery to be supplied to the Customer by Seplos.

1.2 Application: Light Electric Vehicle

 

1.3 Product classification: Cylindrical rechargeable lithium ion battery

 

1.4 Model name: 18650 S22

2. Nominal Specification

 

Item Condition / Note Specification

 

 

2.1 Capacity

 

Std. charge / discharge

 

( Refer to 4.1.1./ 4.1.2)

 

Nominal 2,150 mAh (Cnom)

 

Minimum 2,050 mAh (Cmin)

 

2.2 Nominal Voltage

 

Average for Std. discharge

 

3.65V

 

 

2.3 Standard Charge

 

(Refer to 4.1.1)

 

Constant current

 

Constant voltage

 

End condition(Cut off)

 

0.5C (1,075mA)

 

4.2V

 

50mA

 

2.4 Max. Charge Voltage

 

 

4.2V

 

2.5 Max. Charge Current

 

 

1.0C(2,150mA)

 

2.6 Standard Discharge

 

(Refer to 4.1.2)

 

Constant current

 

End voltage(Cut off)

 

0.2C (430mA)

 

2.75V

 

2.7 Max. Discharge Current

 

 

10A

 

2.8 Weight

 

Approx.

 

44.0 g

 

 

2.9 Operating Temperature

 

Charge

 

Discharge

0 ~ 45℃

 

-20 ~ 60℃

 

 

2.10 Storage Temperature

(for shipping statei)

 

1 month

 

3 month

 

1 year

-20 ~ 60℃

 

-20 ~ 45℃

 

-20 ~ 20℃

3. Appearance and Dimension

 

 

3.1 Appearance

 

There shall be no such defects as deep scratch, crack, rust, discoloration or leakage, which may adversely affect the commercial value of the cell.

3.2 Dimension

 

Diameter : 18.3 + 0.1/-0.3 mm ( Max. 18.4 mm )

 

Diameter is defined as the largest data value measured on the “A” area of a cylindrical cell.

Height : 65.0 ± 0.2 mm ( Max. 65.2 mm )

 

4.2 Electrical Specification

 

Item Condition Specification

4.2.1

 

Initial AC Impedance

Cell shall be measured at 1kHz after charge per

 

4.1.1.

≤ 35 mΩ, without PTC

4.2.2

 

Initial Capacity

Cells shall be charged per 4.1.1 and discharged

 

per 4.1.2 within 1h after full charge.

Cini ≥ 2,050 mAh (Cmin)

4.2.3

 

Cycle Life

Cells shall be charged and discharged per

4.1.3, 500 cycles. A cycle is defined as one charge and one discharge. 501st discharge capacity shall be measured per 4.1.1 and 4.1.2

≥ 70 % (of Cmin in 2.1)

 

 

4.3 Environmental specification.

 

 

Item Condition Specification

4.3.1

 

Storage Characteristics

Cells shall be charged per 4.1.1 and stored in a temperature-controlled environment at 25ºC ±

2ºC for 30 days. After storage, cells shall be discharged per 4.1.2 to obtain the remaining

capacity.*

Capacity remaining rate

≥ 90% (Cini in 2.1)

4.3.2

 

High Temperature

 

Storage Test

Cells shall be charged per 4.1.1 and stored in a temperature-controlled environment at 60ºC for

1 week. After storage, cells shall be discharged per 4.1.2 and cycled per 4.1.3 for 3 cycles to

obtain recovered capacity*.

No leakage,

Capacity recovery rate ≥

 

80%

4.3.3

 

High Temperature and

 

High Humidity Test

Cells are charged per 4.1.1 and stored at 60ºC (95% RH) for 168 hours. After test, cells are discharged per 4.1.2 and cycled per 4.1.3 for 3

cycles to obtain recovered capacity.

No leakage, No rust

Capacity recovery rate ≥

 

80%

4.3.4

 

Thermal Shock Test

65ºC (8h) ← 3hrs → -20ºC (8h) for 8 cycles

with cells charged per 4.1.1 After test, cells are discharged per 4.1.2 and cycled per 4.1.3 for 3 cycles to obtain recovered capacity.

No leakage

Capacity recovery rate ≥

 

80%

 

 

4. Performance Specification

 

 

4.1 Standard test condition

 

4.1.1 Standard Charge

 

Unless otherwise specified, “Standard Charge” shall consist of charging at constant current of 1,075mA. The cell shall then be charged at constant voltage of 4.2V while tapering the charge current. Charging shall be terminated when the charging current has tapered to 50mA. For test purposes, charging shall be performed at 25ºC ± 2ºC.

4.1.2 Standard Discharge

 

“Standard Discharge” shall consist of discharging at a constant current of 430mA to 2.75V. Discharging is to be performed at 25 ºC ± 2 ºC unless otherwise noted (such as capacity versus temperature).

4.1.3 Fast Charge / discharge condition

 

Cells shall be charged at constant current of 2,150mA to 4.2V with end current of 107.5mA. Cells shall be discharged at constant current of 2,150mA to 2.75V. Cells are to rest 30 minutes after charge and 30 minutes after discharge.

4.2 Electrical Specification

 

Item Condition Specification

4.2.1

 

Initial AC Impedance

Cell shall be measured at 1kHz after charge per

 

4.1.1.

≤ 35 mΩ, without PTC

4.2.2

 

Initial Capacity

Cells shall be charged per 4.1.1 and discharged

 

per 4.1.2 within 1h after full charge.

Cini ≥ 2,050 mAh (Cmin)

4.2.3

 

Cycle Life

Cells shall be charged and discharged per

4.1.3, 500 cycles. A cycle is defined as one charge and one discharge. 501st discharge capacity shall be measured per 4.1.1 and 4.1.2

≥ 70 % (of Cmin in 2.1)

 

 

4.3 Environmental specification.

 

 

Item Condition Specification

4.3.1

 

Storage Characteristics

Cells shall be charged per 4.1.1 and stored in a temperature-controlled environment at 25ºC ±

2ºC for 30 days. After storage, cells shall be discharged per 4.1.2 to obtain the remaining

capacity.*

Capacity remaining rate

≥ 90% (Cini in 2.1)

4.3.2

 

High Temperature

 

Storage Test

Cells shall be charged per 4.1.1 and stored in a temperature-controlled environment at 60ºC for

1 week. After storage, cells shall be discharged per 4.1.2 and cycled per 4.1.3 for 3 cycles to

obtain recovered capacity*.

No leakage,

Capacity recovery rate ≥

 

80%

4.3.3

 

High Temperature and

 

High Humidity Test

Cells are charged per 4.1.1 and stored at 60ºC (95% RH) for 168 hours. After test, cells are discharged per 4.1.2 and cycled per 4.1.3 for 3

cycles to obtain recovered capacity.

No leakage, No rust

Capacity recovery rate ≥

 

80%

4.3.4

 

Thermal Shock Test

65ºC (8h) ← 3hrs → -20ºC (8h) for 8 cycles

with cells charged per 4.1.1 After test, cells are discharged per 4.1.2 and cycled per 4.1.3 for 3 cycles to obtain recovered capacity.

No leakage

Capacity recovery rate ≥

 

80%

 

 

 

Vehicle Cylindrical Lifepo4 Lithium Battery Small Lifepo4 Deep Cycle Battery* Remaining Capacity : After storage, cells shall be discharged with Std. condition(4.1.2) to measure the remaining capacity.

** Recovery Capacity : After storage, cells shall be discharged with fast discharge condition(4.1.3), and then cells shall be charged with std. charge condition(4.1.1), and then discharged with Std. condition(4.1.2). This charge / discharge cycle shall be repeated three times to measure the recovery capacity.

 

Vehicle Cylindrical Lifepo4 Lithium Battery Small Lifepo4 Deep Cycle Battery

4.3.5

 

Temperature Dependency of Capacity

Cells shall be charged per 4.1.1 at 23ºC ± 2ºC and discharged per 4.1.2 at the following temperatures.  
Charge Discharge Capacity

 

 

 

23℃

-10℃

0℃

23℃

60℃

70% of Cini

 

80% of Cini

 

100% of Cini

 

95% of Cini

 

 

 

 

4.4 Mechanical Specification

 

 

Item Condition Specification

4.4.1

 

Drop Test

Cells charged per 4.1.1 are dropped onto an oak board from 1 meter height for 1 cycle, 2 drops from each cell terminal and 1 drop from side of cell. (Total number of

drops =3).

No leakage

 

No temperature rising

4.4.2

 

Vibration Test

Cells charged per 4.1.1 are vibrated for 90 minutes per each of the three mutually perpendicular axes (x, y, z) with total excursion of 0.8mm, frequency of 10Hz to

55Hz and sweep of 1Hz change per minute.

No leakage

 

 

4.5 Safety Specification

 

 

Item Condition Specification

 

 

4.5.1

 

Overcharge Test

Cells are discharged per 4.1.2, then charged at constant current of 3 times the max. charge condition and constant voltage of 4.2V while tapering the charge

current. Charging is continued for 7 hours (Per UL1642).

 

 

 

No explode, No fire

4.5.2

External Short - Circuiting Test

Cells are charged per 4.1.1, and the positive and negative terminal is connected by a 100mΩ-wire for 1

hour (Per UL1642).

 

 

No explode, No fire

4,5.3

 

Overdischarge

 

Test

 

Cells are discharged at constant current of 0.2C to

 

250% of the minimum capacity.

 

 

No explode, No fire

 

 

 

 

4.5.4

 

Heating Test

Cells are charged per 4.1.1 and heated in a circulating air oven at a rate of 5ºC per minute to 130ºC. At 130ºC, oven is to remain for 10 minutes before test is

discontinued (Per UL1642).

 

 

 

No explode, No fire

 

 

4.5.5

 

Impact Test

Cells charged per 4.1.1 are impacted with their longitudinal axis parallel to the flat surface and perpendicular to the longitudinal axis of the 15.8mm

diameter bar (Per UL1642).

 

 

 

No explode, No fire

 

4.5.7

 

Crush Test

Cells charged per 4.1.1 are crushed with their longitudinal axis parallel to the flat surface of the

crushing apparatus (Per UL1642).

 

 

No explode, No fire

 

 

 

 

5. Caution and Prohibition in Handling

 

Warning for using the lithium ion rechargeable battery. Mishandling of the battery may cause heat, fire and deterioration in performance. Be sure to observe the following.

 

 

Caution

Ÿ When using the application equipped with the battery, refer to the user’s manual before usage.

Ÿ Please read the specific charger manual before charging.

Ÿ Charge time should not be longer than specified in the manual.

Ÿ When the cell is not charged after long exposure to the charger, discontinue charging.

Ÿ Battery must be charged at operating temperature range 0 ~ 45℃.

Ÿ Battery must be discharged at operating temperature range -20 ~ 60℃.

Ÿ Please check the positive(+) and negative(-) direction before packing.

Ÿ When a lead plate or wire is connected to the cell for packing, check out insulation not to short-circuit.

Ÿ Battery must be stored separately.

Ÿ Battery must be stored in a dry area with low temperature for long-term storage.

Ÿ Do not place the battery in direct sunlight or heat.

Ÿ Do not use the battery in high static energy environment where the protection device can be damaged.

Ÿ When rust or smell is detected on first use, please return the product to the seller immediately.

Ÿ The battery must be away from children or pets

Ÿ When cell life span shortens after long usage, please exchange to new cells.

 

 

Prohibitions

Ÿ Do not use different charger. Do not use cigarette jacks (in cars) for charging.

Ÿ Do not charge with constant current more than maximum charge current.

Ÿ Do not disassemble or reconstruct the battery.

Ÿ Do not throw or cause impact.

Ÿ Do not pierce a hole in the battery with sharp things. (such as nail, knife, pencil, drill)

Ÿ Do not use with other batteries or cells.

Ÿ Do not solder on battery directly.

Ÿ Do not press the battery with overload in manufacturing process, especially ultrasonic welding.

Ÿ Do not use old and new cells together for packing.

Ÿ Do not expose the battery to high heat. (such as fire)

Ÿ Do not put the battery into a microwave or high pressure container.

Ÿ Do not use the battery reversed.

Ÿ Do not connect positive(+) and negative(-) with conductive materials (such as metal, wire)

Ÿ Do not allow the battery to be immerged in or wetted with water or sea-water.

 

Contact Details
Shenzhen Seplos Technology Co.,Ltd

Contact Person: Zhang

Tel: 13286686628

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Building B,Yajiashi Industrial park,No89,Huating Road,Langkou District,Dalang Zone,Baoan District,Shenzhen China(Mainland) 518109
Tel:86-132-86686628
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