
The Samsung 25S is a high-performance 18650 lithium-ion battery engineered for applications requiring strong continuous output and thermal stability. With a 2500mAh capacity and up to 25A continuous discharge capability, this cell delivers reliable power under sustained load while maintaining efficiency and consistency.
| Manufacturer | Samsung SDI |
| Model | INR18650-25S (25S) |
| Size | 18650 |
| Positive Terminal | Flat Top |
| Nominal Capacity | 2500mAh |
| Continuous Discharge Rating | 25A (35A with 80°C cutoff) |
| Nominal Voltage | 3.6V |
| Maximum Voltage | 4.2V |
| Discharge Cut-Off Voltage | 2.5V |
| Protected | No (Unprotected) |
| Rechargeable | Yes |
| Approx. Dimensions | 18.3mm × 65.0mm |
| Approx. Weight | 45.78g |
| Data Specification Sheet | Samsung 25S Datasheet |
Improper handling or misuse of this lithium-ion battery can result in FIRE, EXPLOSION, or THERMAL RUNAWAY, causing personal injury, property damage, or death. Users must read and follow all safety guidelines before purchase and use. Click here to review the full safety guidelines.
Midwest Battery, LLC is not responsible for any damages, injuries, or claims arising from improper use, handling, or failure to follow these safety guidelines. Lithium-ion batteries require strict adherence to all safety protocols. It is the reseller's responsibility to ensure all safety warnings and product guidelines are effectively communicated to customers. Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.