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China 48V Solar Energy Storage Battery Pack manufacturer
Shenzhen Seplos Technology Co.,Ltd

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Professional Lifepo4 Battery 18650 2600mAh Lifepo4 Solar Battery

Professional Lifepo4 Battery 18650 2600mAh Lifepo4 Solar Battery

Professional Lifepo4 Battery 18650 2600mAh Lifepo4 Solar Battery

Product Details:

Place of Origin: China(Mainland)
Brand Name: Seplos
Certification: CE
Model Number: Seplos S26

Payment & Shipping Terms:

Minimum Order Quantity: 50
Price: 0.95$/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
Battery: 18650 Rechargeable Li-ion Max. Charge Current: 1.0C(2,600mA)
End Condition(Cut Off): 50mA Nominal Voltage: 3.6V
Capacity: Nominal 2,600 MAh (Cnom) Size: 18.3 + 0.1/-0.3 Mm
High Light:

prismatic lithium ion cells

,

prismatic lifepo4 battery cells

Seplos 16850 S26 2600mAH 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: ICR18650 S26

2. Nominal Specification

 

Item Condition / Note Specification

 

 

2.1 Capacity

 

Std. charge / discharge

 

( Refer to 4.1.1./ 4.1.2)

 

Nominal 2,600 mAh (Cnom)

 

Minimum 2,500 mAh (Cmin)

 

2.2 Nominal Voltage

 

Average for Std. discharge

 

3.6V

 

 

2.3 Standard Charge

 

(Refer to 4.1.1)

 

Constant current

 

Constant voltage

 

End condition(Cut off)

 

0.5C (1,250mA)

 

4.2V

 

50mA

 

2.4 Max. Charge Voltage

 

 

4.2V

 

2.5 Max. Charge Current

 

 

1.0C(2,600mA)

 

2.6 Standard Discharge

 

(Refer to 4.1.2)

 

Constant current

 

End voltage(Cut off)

 

0.2C (500mA)

 

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.

 

5. Caution

 

Warning: Using the lithium ion rechargeable battery, mishandling of the battery may cause heat, fire and deterioration in performance. Be sure to observe the following.

5.1 Cautions for Using and Handling

 

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.

 

 

 

 

5.2 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.

 

 

5.3 Caution for the battery and the pack

 

Pack shall meet under condition to maintain battery safety and last long performance of the lithium rechargeable cells.

5.3.1 Installing the battery into the pack

 

-. The cell should be inspected visually before battery assembly into the pack.

 

-. Damaged cell should not be used. (Damaged surface, can-distortion, electrolyte-smell)

 

-. Different Lot Number cells should not be packaged into the same pack.

-. Different types of cells, or same types but different cell maker’s should not be used together.

 

5.3.2 Design of battery pack

 

-. The battery pack should not be connected easily to any charger other than the dedicated charger.

 

-. The battery pack has function not to cause external short cut easily.

 

 

5.3.3 Charge

 

-. Charging method is Constant Current-Constant Voltage (CC/CV).

 

-. Charging should be operating under maximum charge voltage and current which is specified in the product specification. (Article. 2.4, 2.5)

-. The battery should be charged under operating temperature specified in the product specification. (Article. 2.9)

 

5.3.4 Discharge

 

-. Discharging method is Constant Current (CC).

 

(In case of using the battery for mobile equipment, discharging mode could be Constant Power.)

 

-. Discharging should be operating under maximum discharge current which is specified in the product specification. (Article. 2.7)

-. Discharging should be done by cut off voltage which is specified in the product specification. (Article. 2.6)

 

-. The battery should be discharged under operating temperature specified in the product specification. (Article. 2.9)

 

 

5.3.5 Protection Circuit

 

-. The protection circuit should be installed in the battery pack, charger.

 

-. Charger or pack should have voltage sensing system to control over charge or discharge in order to maintain the battery’s normal operating mode and protect cell imbalance.

-. Charger or pack should have warning system for over temperature, over voltage and over current.

 

 

6. EXCLUSION OF LIABILITY

 

THE WARRANTY SHALL NOT COVER DEFECTS CAUSED BY NORMAL WEAR AND TEAR, INADEQUATE MAINTENANCE, HANDLING, STORAGER FAULTY REPAIR, MODIFICATION TO THE BATTERY OR PACK BY A THIRD PARTY OTHER THAN SEPLOS OR SEPLOS’S AGENT APPROVED BY SEPLOS, FAILURE TO OBSERVE THE PRODUCT SPECIFICATION PROVIDED HEREIN OR IMPROPER USE OR INSTALLATION, INCLUDING BUT NOT LIMITED TO, THE FOLLOWING:

 

 

-. DAMAGE DURING TRANSPORT OR STORAGE

 

-. INCORRECT INSTALLATION OF BATTERY INTO PACK OR MAINTENANCE

 

-. USE OF BATTERY OR PACK IN INAPPROPRIATE ENVIRONMENT

 

-. IMPROPER, INADEQUATE, OR INCORRECT CHARGE, DISCHARGE OR PRODUCTION CIRCUIT OTHER THAN STIPULATED HEREIN

-. INCORRECT USE OR INAPPROPRIATE USE

 

-. INSUFFICIENT VENTILATION

 

-. IGNORING APPLICABLE SAFETY WARNINGS AND INSTRUCTIONS

 

-. ALTERING OR ATTEMPTED REPAIRS BY UNAUTHORIZED PERSONNEL

 

-. IN CASE OF FORCE MAJEURE (LIGHTENING, STORM, FLOOD, FIRE, EARTHQUAKE, ETC.)

 

 

THERE ARE NO WARRANTIES – IMPLIED OR EXPRESS – OTHER THAN THOSE STIPULATED HEREIN. SEPLOS SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL OR INDIRECT DAMAGES ARISING OR IN CONNECTION WITH THE PRODUCT SPECIFICATION, BATTERY OR PACK.

Contact Details
Shenzhen Seplos Technology Co.,Ltd

Contact Person: Zhang

Tel: 13286686628

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Shenzhen Seplos Technology Co.,Ltd
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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