NCR18650B Chemistry Li-ion Cylindrical Rechargeable Batteries
| Technical Specs. | |
| Model No. | NCR18650B |
| Brand | Panasonic |
| Rated Capacity (Minimum) | 3200mAh @20℃ 0.64A discharge |
| Nominal Capacity (Minimum) | 3250mAh @25℃ 0.65A discharge |
| Nominal Capacity (Typical) | 3350mAh Reference only |
| Nominal Voltage | 3.6V @25℃ 0.65A discharge |
| Discharge End Voltage | 2.5V |
| Standard Charging Current | 1.625A |
| Charging Voltage | 4.20±0.03V |
| Standard Charging Time | 4.0 Hours |
| Max. Continuous Discharging Current | 4.875A @0~45℃ |
| Impedance | <48mΩ (1 KHz) |
| Temp. Specs. | |
| Charge Operating Temp. | 0~45℃ |
| Discharge Operating Temp. | -20~60℃ |
| Storage Temp. | 1 Year, -20~20℃ |
| 3 Months, -20~40℃ | |
| 1 Month, -20~50℃ | |
| Mechanical Specs. | |
| Cell Weight | 47.5 G |
| Cell Dimension (D*H) | 18*65 MM |
| Package | 200 PCS/Carton |
| Other Specs. | |
| Certificates | UN38.3, MSDS |
Grade A cell, widely used as laptop battery replacement, flash light battery, mobile device battery, and various of li-ion rechargeable battery packs.
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.
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 Cell Holder Dimension
18650 Cell Holder
Nickel Battery Strip
Battery Nickel Strip
Nickel Strip User Guide for 18650 Battery Packs
18650 Cell Holder Dimension
18650 Cell Holder
Nickel Battery Strip
Battery Nickel Strip
Nickel Strip User Guide for 18650 Battery Packs
| Material | Column | Width(mm) | Row Space(mm) | Thickness(mm) | Cell Holder |
| Nickel Strip | 1 | 7 | 18.5 | 0.12/0.15/0.2 | N/A |
| Nickel Strip | 2 | 25.5 | 18.5 | 0.12/0.15/0.2 | N/A |
| Nickel Strip | 3 | 44 | 18.5 | 0.12/0.15/0.2 | N/A |
| Nickel Strip | 4 | 62.5 | 18.5 | 0.12/0.15/0.2 | N/A |
| Nickel Strip | 5 | 81 | 18.5 | 0.12/0.15/0.2 | N/A |
| Nickel Strip | 6 | 99.5 | 18.5 | 0.12/0.15/0.2 | N/A |
| Nickel Strip | 7 | 118 | 18.5 | 0.12/0.15/0.2 | N/A |
| Nickel Strip | 8 | 136.5 | 18.5 | 0.12/0.15/0.2 | N/A |
| Material | Column | Width(mm) | Row Space(mm) | Thickness(mm) | Cell Holder |
| Nickel Strip | 1 | 7 | 20.2 | 0.12//0.15/0.2 | Yes |
| Nickel Strip | 2 | 27 | 20.2 | 0.12//0.15/0.2 | Yes |
| Nickel Strip | 3 | 47 | 20.2 | 0.12//0.15/0.2 | Yes |
| Nickel Strip | 4 | 67.6 | 20.2 | 0.12//0.15/0.2 | Yes |
| Nickel Strip | 5 | 87.8 | 20.2 | 0.12//0.15/0.2 | Yes |
| Nickel Strip | 6 | 108 | 20.2 | 0.12//0.15/0.2 | Yes |
| Nickel Strip | 7 | 128.2 | 20.2 | 0.12//0.15/0.2 | Yes |
| Nickel Strip | 8 | 148.4 | 20.2 | 0.12//0.15/0.2 | Yes |
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.
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.







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