18650 26F Li-ion Cylindrical Rechargeable Batteries

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18650 26F Li-ion Cylindrical Rechargeable Batteries
Technical Specs.
Model No.ICR18650-26F
BrandSamsung SDI
Nominal Capacity2600 mAh (0.2 C, 2.75 V discharge)
Minimum Capacity2550 mAh (0.2 C, 2.75 V discharge)
Charging Voltage4.20±0.05 V
Nominal Voltage3.7 V
Charging MethodCC-CV
Charging CurrentStandard Charge: 1300 mAh
Rapid Charge: 2600 mAh
Charging TimeStandard Charge: 3 Hours
Rapid Charge: 2.5 Hours
Max. Charge Current2600mA (ambient temperature 25℃)
Max. Discharge Current5200mA (ambient temperature 25℃)
Discharge Cut-off Voltage2.75 V
Temp. Specs.
Charge Operating Temp.0~45℃
Discharge Operating Temp.-20~60℃
Storage Temp.-20~60℃ for 1 Year
-20~45℃ for 3 Months
-20~25℃ for 1 Month
Mechanical Specs.
Cell Weight47 G
Cell Dimension (D*H)18.4*65 MM
Package200 PCS/Carton
Other Specs.
CertificatesUN38.3, MSDS
Grade A cells
Flat/button top
Explosion-proof valve
High energy density
Low impedance
Long cycle life
5A(2C) high discharge rate
Used to flashlight, drone, vacuum cleanner, laptop etc.

Here are some important notes on how to properly handle Li-ion cylindrical rechargeable battery cells:

Never carry loose cells – the li-ion cylindrical cells should be suitably cased at all times when not in use.

Do not short the li ion cylindrical cells with metallic objects.

Always use a battery charger designed for the li ion rechargeable cells you are charging.

Never leave a battery charger unattended.

Never completely discharge the li-ion cylindrical battery. The cut off for most cells is 2.8v or 2.5v.

Do not short cut the li ion rechargeable battery.

Do not disassemble or deform the 18650 rechargeable battery. Dispose it if the battery is deformed.

Do not immerse in water.

Avoid excessive physical shock or vibration.

Do not expose to, dispose of the li-ion cylindrical rechargeable battery in fire.


Please note that these precautions are necessary to ensure safety and prolong the life of your batteries.

18650 Battery Cell Holder

18650 battery cell holder

18650 Cell Holder Dimension

18650 cell holder dimensions

18650 Cell Holder

18650 cell holder

Nickel Battery Strip

nickel battery strip

Battery Nickel Strip

battery nickel strip Nickel Strip User Guide for 18650 Battery Packs
MaterialColumnWidth(mm)Row Space(mm)Thickness(mm)Cell Holder
Nickel Strip1718.50.12/0.15/0.2N/A
Nickel Strip225.518.50.12/0.15/0.2N/A
Nickel Strip34418.50.12/0.15/0.2N/A
Nickel Strip462.518.50.12/0.15/0.2N/A
Nickel Strip58118.50.12/0.15/0.2N/A
Nickel Strip699.518.50.12/0.15/0.2N/A
Nickel Strip711818.50.12/0.15/0.2N/A
Nickel Strip8136.518.50.12/0.15/0.2N/A
MaterialColumnWidth(mm)Row Space(mm)Thickness(mm)Cell Holder
Nickel Strip1720.20.12//0.15/0.2Yes
Nickel Strip22720.20.12//0.15/0.2Yes
Nickel Strip34720.20.12//0.15/0.2Yes
Nickel Strip467.620.20.12//0.15/0.2Yes
Nickel Strip587.820.20.12//0.15/0.2Yes
Nickel Strip610820.20.12//0.15/0.2Yes
Nickel Strip7128.220.20.12//0.15/0.2Yes
Nickel Strip8148.420.20.12//0.15/0.2Yes
How to solder 18650 battery nickel strip?

Soldering nickel strips to 18650 LiFePO4 cells can be done effectively with the right tools and steps. Here's a step-by-step guide:

Materials Needed:

- Soldering iron capable of 800-850°
- Wide soldering tip 5mm
- 60/40 rosin core solder
- Flux Pen
- Sanding Stick
- Tabbing, minimum 5mm
- Scissors
- Popsicle stick
- Combination Square
- Medium viscosity super glue
- Super glue accelerator

Steps:

1. Clean the Battery and Nickel Strip: Use a sanding stick to clean the surface of the battery and the nickel strip where you will be soldering.

2. Apply Flux: Apply flux to the area where you will be soldering. This helps the solder flow and adhere better.

3. Heat the Soldering Iron: Heat your soldering iron to around 800-850°.

4. Apply Solder: Apply a small amount of solder to the tip of your soldering iron, then touch the tip to the area where you want to solder. The heat will transfer the solder to the nickel strip and battery, creating a bond.

5. Cool Down: Allow the soldered joint to cool down before handling it.

Remember, safety always comes first! Always work in a well-ventilated area and wear appropriate safety gear. Practice makes perfect, so don't be discouraged if your first few attempts don't go as planned.

 

How to Solder 18650

 

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