Samsung 25R 18650 battery is a rechargeable Lithium-ion battery with 2500mAh capacity. It is flat top style and comes with 3.6V nominal voltage.
| Type: | Lithium-ion |
| Model: | 18650 |
| Positive: | Flat Top |
| Capacity: | 2500mAh |
| Nominal Voltage: | 3.6V |
| Maximum Voltage: | 4.2V |