Samsung 25R 18650 Battery – High-Performance Lithium-Ion Power Cell
Overview
The Samsung 25R 18650 Battery is a high-quality, rechargeable lithium-ion power cell designed for demanding applications. With a robust 2500mAh capacity and a high 20A continuous discharge rate, this battery is perfect for power-hungry devices, ensuring long-lasting performance and reliability.
Key Features
✅ High Capacity: 2500mAh ensures extended usage before needing a recharge.
✅ High Discharge Rate: 20A continuous discharge, ideal for high-drain applications.
✅ Lithium-Ion Chemistry: Stable and reliable, reducing the risk of overheating.
✅ Rechargeable & Long-Lasting: Supports hundreds of charge cycles with minimal capacity loss.
✅ Compact 18650 Size: Universally compatible with many electronic devices.
| Specification |
Details |
| Brand |
Samsung |
| Model |
25R |
| Battery Type |
18650 |
| Capacity |
2500mAh |
| Nominal Voltage |
3.7V |
| Full Charge Voltage |
4.2V |
| Discharge Cutoff Voltage |
2.5V |
| Continuous Discharge Rate (CDR) |
20A |
| Rechargeable |
Yes |
| Protected |
No (Unprotected cell – use with proper safety measures) |
| Cycle Life |
~250-300 charge cycles |
| Diameter |
18.3mm |
| Length |
65.0mm |
| Weight |
~43g |
Applications
The Samsung 25R is widely used in various high-drain devices, including:
🔋 Flashlights – Reliable for high-powered LED torches.
🔋 Power Tools – Works in cordless drills, saws, and other tools requiring high discharge rates.
🔋 RC Vehicles & Drones – Provides stable and long-lasting power.
🔋 Battery Packs – Used in custom battery packs for various applications.
Safety Guidelines & Warnings
⚠️ IMPORTANT SAFETY NOTICE ⚠️
Lithium-ion batteries require proper knowledge and handling to ensure safe use. Failure to follow safety precautions may result in fire, explosion, serious injury, property damage, or even death.
General Safety Guidelines
✔ Only purchase and use if you fully understand lithium-ion battery safety.
✔ Always charge in or on a fire-resistant surface and never leave batteries charging unattended.
✔ Use only a compatible smart charger designed specifically for this type of battery.
✔ Store batteries properly in a protective case—never carry loose batteries in your pocket, purse, or bag.
✔ Keep away from metal objects such as keys, coins, or tools to prevent short-circuiting.
✔ Use only within manufacturer-listed specifications and in appropriate, protected battery packs.
✔ If reselling, you must provide all safety warnings to customers.
🚫 Prohibited Uses & Handling
⛔ DO NOT use this battery in e-cigarettes, vaporizers, or similar devices.
⛔ DO NOT mix old and new, used and unused batteries.
⛔ DO NOT short circuit, puncture, cut, crush, incinerate, or modify the battery in any way.
⛔ DO NOT use if the battery is damaged, has a torn wrapper, or shows signs of wear.
⛔ DO NOT overcharge or over-discharge—this can lead to battery failure.
⛔ DO NOT expose the battery to liquids, extreme heat, or direct sunlight.
⛔ DO NOT attempt to solder directly—only use spot welding for battery pack assembly.
⚠ User Responsibility & Risk Acknowledgment
-
The user assumes full responsibility for proper handling, charging, and storage of this battery.
- Misuse or mishandling may result in serious injury or damage.
- No guarantee of compatibility with any specific device is provided.
- Using this battery is at your own risk.
By purchasing and using the Samsung 25R 18650 Battery, you acknowledge and agree to follow these safety precautions. Failure to comply may result in hazardous consequences. Prior knowledge of lithium-ion battery safety is required before purchase.
Stay safe and handle responsibly. 🔋
