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Battery INR 18650 - 25R Samsung Green
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Product Details
Brand: Samsung
The Samsung INR18650-25R is a well-known and respected 18650 rechargeable lithium-ion battery, commonly referred to as the Samsung 25R. It's easily identified by its characteristic green wrapper.
Here are some key specifications and information about the Samsung 25R (Green):
- Capacity: 2500mAh.
- Continuous Discharge Rating (CDR): 20A. It also has a pulse discharge rating of 35A.
- Nominal Voltage: 3.6V.
- Maximum Voltage: 4.2V.
- Discharge Cut-off Voltage: 2.5V.
- Chemistry: LiNiMnCoO2 (INR) lithium-ion, known for its stability and safety.
- Size: 18650 form factor (18.33mm diameter x 64.85mm height).
- Design: Flat top, unprotected.
- Rechargeable: Yes.
- Protected: No. This means it lacks built-in protection against overcharging, over-discharging, and short-circuiting, and should only be used in devices or battery packs with their own Battery Management System (BMS) or Protection Circuit Board (PCB).
- Cycle Life: While Samsung guarantees that the performance is the same as the earlier blue 25R2, the green 25R5 is reported to have a better cycle life. The 25R2's life is rated at 250 cycles at 20A discharge with 60% capacity retention at 25°C.
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- Applications: The 25R is popular for high-drain devices like power tools, flashlights, e-cigarettes (vaping devices), and battery packs. However, some sources on vaping mention a warning included with these batteries stating they are not for e-cigarette devices, though users report they work well.
Important Safety Precautions:- Never carry loose batteries in your pocket, purse, or bag.
- Only use this battery in protected battery packs or devices with a BMS/PCB.
- Use a smart charger designed for lithium-ion batteries and ensure the charger's voltage matches the battery specifications.
- Avoid overcharging and completely draining the battery.
- Store batteries in protective cases or boxes in a cool, dry place away from direct sunlight and metal objects.
- Do not use damaged batteries (dents, leaks, swelling, etc.).
- Do not disassemble, short circuit, puncture, crush, or expose to high temperatures.
Note: The green wrapper often indicates the INR18650-25R version known as the 25R5. While Samsung states the performance is the same as the blue 25R2, the 25R5 is said to have improved cycle life due to changes in electrolyte composition.The Samsung INR18650-25R green battery is a widely recognized and utilized rechargeable lithium-ion battery.
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Battery INR 18650 - 25R Samsung Green
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